Quantum Science of Light and Matter (Schmidt)

Publications of the Quantum Science of Light and Matter group (Kai Phillip Schmidt)

Adelhardt P., Duft A., Schmidt KP.:
Quantum-critical and dynamical properties of the XXZ bilayer with long-range interactions
In: Physical Review B 111 (2025), Art.Nr.: 024409
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.111.024409

Adelhardt P., Koziol J., Langheld A., Schmidt KP.:
Monte Carlo Based Techniques for Quantum Magnets with Long-Range Interactions
In: Entropy 26 (2024), S. 401
ISSN: 1099-4300
DOI: 10.3390/e26050401
Baßler N., Aiello A., Schmidt KP., Genes C., Reitz M.:
Metasurface-Based Hybrid Optical Cavities for Chiral Sensing
In: Physical Review Letters 132 (2024), Art.Nr.: 043602
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.132.043602
Baßler N., Varma I., Proske M., Windpassinger P., Schmidt KP., Genes C.:
Cooperative effects in dense cold atomic gases including magnetic dipole interactions
In: Physical Review Research 6 (2024), Art.Nr.: 023147
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.6.023147
Caci N., Hering DB., Walther M., Schmidt KP., Wessel S., Uhrig GS.:
Quantitative description of long-range order in the spin- 12 XXZ antiferromagnet on the square lattice
In: Physical Review B 110 (2024), Art.Nr.: 054411
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.110.054411
Duft A., Koziol J., Adelhardt P., Mühlhauser M., Schmidt KP.:
Order-by-disorder in the antiferromagnetic J1-J2-J3 transverse-field Ising model on the ruby lattice
In: Physical Review Research 6 (2024), Art.Nr.: 033339
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.6.033339
Fadler P., Schmidt KP., Li J., Eckstein M.:
Engineering photon-mediated long-range spin interactions in Mott insulators
In: Physical Review B 109 (2024), Art.Nr.: 085149
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.109.085149
Hering DB., Walther M., Schmidt KP., Uhrig GS.:
Quantum melting of long-range ordered quantum antiferromagnets investigated by momentum-space continuous similarity transformations
In: Physical Review B 110 (2024), Art.Nr.: 085115
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.110.085115
Jahromi SS., Hörmann M., Adelhardt P., Fey S., Karamnejad H., Orús R., Schmidt KP.:
Kitaev honeycomb antiferromagnet in a field: quantum phase diagram for general spin
In: Communications Physics 7 (2024), Art.Nr.: 319
ISSN: 2399-3650
DOI: 10.1038/s42005-024-01809-0
Kott V., Mühlhauser M., Koziol J., Schmidt KP.:
Quantum robustness of the toric code in a parallel field on the honeycomb and triangular lattice
In: SciPost Physics 17 (2024), Art.Nr.: 053
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.17.2.053
Koziol J., Morigi G., Schmidt KP.:
Quantum phases of hardcore bosons with repulsive dipolar density-density interactions on two-dimensional lattices
In: SciPost Physics 17 (2024), Art.Nr.: 111
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.17.4.111
Koziol J., Mühlhauser M., Schmidt KP.:
Order-by-disorder and long-range interactions in the antiferromagnetic transverse-field Ising model on the triangular lattice—A perturbative point of view
In: Results in Physics 61 (2024), Art.Nr.: 107794
ISSN: 2211-3797
DOI: 10.1016/j.rinp.2024.107794
Mühlhauser M., Kott V., Schmidt KP.:
Incorporating non-local anyonic statistics into a graph decomposition
In: SciPost Physics Core 7 (2024), Art.Nr.: 031
ISSN: 2666-9366
DOI: 10.21468/SciPostPhysCore.7.2.031
Schamriß L., Walther M., Schmidt KP.:
Extracting quantum-critical properties from directly evaluated enhanced perturbative continuous unitary transformations
In: SciPost Physics 17 (2024), Art.Nr.: 094
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.17.3.094
Schellenberger A., Schmidt KP.:
(Almost) everything is a Dicke model - Mapping non-superradiant correlated light-matter systems to the exactly solvable Dicke model
In: SciPost Physics Core 7 (2024), Art.Nr.: 038
ISSN: 2666-9366
DOI: 10.21468/SciPostPhysCore.7.3.038
Sumeet S., Hörmann M., Schmidt KP.:
Hybrid quantum-classical algorithm for the transverse-field Ising model in the thermodynamic limit
In: Physical Review B 110 (2024), Art.Nr.: 155128
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.110.155128
Wiedmann R., Lenke L., Mühlhauser M., Schmidt KP.:
Absence of fractal quantum criticality in the quantum Newman-Moore model
In: Physical Review Research 6 (2024), Art.Nr.: 013191
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.6.013191

Adelhardt P., Schmidt KP.:
Continuously varying critical exponents in long-range quantum spin ladders
In: SciPost Physics 15 (2023), Art.Nr.: 087
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.15.3.087
Baßler N., Reitz M., Schmidt KP., Genes C.:
Linear optical elements based on cooperative subwavelength emitter arrays
In: Optics Express 31 (2023), S. 6003-6026
ISSN: 1094-4087
DOI: 10.1364/OE.476830
Hörmann M., Schmidt KP.:
Projective cluster-additive transformation for quantum lattice models
In: SciPost Physics 15 (2023), Art.Nr.: 097
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.15.3.097
Koziol J., Duft A., Morigi G., Schmidt KP.:
Systematic analysis of crystalline phases in bosonic lattice models with algebraically decaying density-density interactions
In: SciPost Physics 14 (2023), Art.Nr.: 136
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.14.5.136
Lenke L., Schellenberger A., Schmidt KP.:
Series expansions in closed and open quantum many-body systems with multiple quasiparticle types
In: Physical Review A 108 (2023), Art.Nr.: 013323
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.108.013323
Rohn J., Schmidt KP., Genes C.:
Classical phase synchronization in dissipative non-Hermitian coupled systems
In: Physical Review A 108 (2023), Art.Nr.: 023721
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.108.023721
Tseng Y., Paris E., Schmidt KP., Zhang W., Asmara TC., Bag R., Strocov VN., Singh S., Schlappa J., Rønnow HM., Schmitt T.:
Momentum-resolved spin-conserving two-triplon bound state and continuum in a cuprate ladder
In: Communications Physics 6 (2023), Art.Nr.: 138
ISSN: 2399-3650
DOI: 10.1038/s42005-023-01250-9
Walther M., Hering DB., Uhrig GS., Schmidt KP.:
Continuous similarity transformation for critical phenomena: Easy-axis antiferromagnetic XXZ model
In: Physical Review Research 5 (2023)
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.5.013132

Hong T., Ying T., Huang Q., Dissanayake SE., Qiu Y., Turnbull MM., Podlesnyak AA., Wu Y., Cao H., Liu Y., Umehara I., Gouchi J., Uwatoko Y., Matsuda M., Tennant DA., Chern GW., Schmidt KP., Wessel S.:
Evidence for pressure induced unconventional quantum criticality in the coupled spin ladder antiferromagnet C9H18N2CuBr4
In: Nature Communications 13 (2022)
ISSN: 2041-1723
DOI: 10.1038/s41467-022-30769-8
Langheld A., Koziol J., Adelhardt P., Kapfer S., Schmidt KP.:
Scaling at quantum phase transitions above the upper critical dimension
In: SciPost Physics 13 (2022), Art.Nr.: 088
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.13.4.088
Mühlhauser M., Schmidt KP.:
Linked cluster expansions via hypergraph decompositions
In: Physical Review E 105 (2022)
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.105.064110
Mühlhauser M., Schmidt KP., Vidal J., Walther M.:
Competing topological orders in three dimensions: X-cube versus toric code
In: SciPost Physics 12 (2022), Art.Nr.: 069
ISSN: 2542-4653
DOI: 10.21468/SCIPOSTPHYS.12.2.069
Schamriss L., Lenke L., Mühlhauser M., Schmidt KP.:
Quantum phase transitions in the K-layer Ising toric code
In: Physical Review B 105 (2022)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.105.184425
Schellenberger A., Hörmann M., Schmidt KP.:
Dynamic structure factor of the antiferromagnetic Kitaev model in large magnetic fields
In: Physical Review B 106 (2022), Art.Nr.: 104403
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.106.104403

Baßler N., Schmidt KP.:
Effects of domain walls in bilayer graphene in an external magnetic field
In: Physical Review B 103 (2021), Art.Nr.: 155422
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.103.155422
Koziol J., Langheld A., Kapfer S., Schmidt KP.:
Quantum-critical properties of the long-range transverse-field Ising model from quantum Monte Carlo simulations
In: Physical Review B 103 (2021)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.103.245135
Lenke L., Mühlhauser M., Schmidt KP.:
High-order series expansion of non-Hermitian quantum spin models
In: Physical Review B 104 (2021), Art.Nr.: 195137
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.104.195137

Adelhardt P., Koziol J., Schellenberger A., Schmidt KP.:
Quantum criticality and excitations of a long-range anisotropic XY chain in a transverse field
In: Physical Review B 102 (2020)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.102.174424
Boos C., Ganahl CJ., Lajko M., Nataf P., Lauchli AM., Penc K., Schmidt KP., Mila F.:
Time-reversal symmetry breaking Abelian chiral spin liquid in Mott phases of three-component fermions on the triangular lattice
In: Physical Review Research 2 (2020)
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.2.023098
Boos C., Schmidt KP.:
Exact plaquette singlet phases in an orthogonal-plaquette model
In: Physical Review B 101 (2020)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.101.144428
Hörmann M., Schmidt KP.:
Dynamic structure factor of Heisenberg bilayer dimer phases in the presence of quenched disorder and frustration
In: Physical Review B 102 (2020)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.102.094427
Mühlhauser M., Walther M., Reiss DA., Schmidt KP.:
Quantum robustness of fracton phases
In: Physical Review B 101 (2020)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.101.054426
Rohn J., Hörmann M., Genes C., Schmidt KP.:
Ising model in a light-induced quantized transverse field
In: Physical Review Research 2 (2020)
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.2.023131
Schmoll P., Jahromi SS., Hörmann M., Schmidt KP., Orus R.:
Fine Grained Tensor Network Methods
In: Physical Review Letters 124 (2020)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.124.200603
Wiedmann R., Lenke L., Walther M., Mühlhauser M., Schmidt KP.:
Quantum critical phase transition between two topologically ordered phases in the Ising tonic code bilayer
In: Physical Review B 102 (2020)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.102.214422

Boos C., Crone SPG., Niesen IA., Corboz P., Schmidt KP., Mila F.:
Competition between intermediate plaquette phases in SrCu2(BO3)(2) under pressure
In: Physical Review B 100 (2019)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.100.140413
Fey S., Kapfer S., Schmidt KP.:
Quantum Criticality of Two-Dimensional Quantum Magnets with Long-Range Interactions
In: Physical Review Letters 122 (2019), Art.Nr.: 017203
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.122.017203
Koziol J., Fey S., Kapfer S., Schmidt KP.:
Quantum criticality of the transverse-field Ising model with long-range interactions on triangular-lattice cylinders
In: Physical Review B 100 (2019)
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.100.144411
Reiss DA., Schmidt KP.:
Quantum robustness and phase transitions of the 3D toric code in a field
In: SciPost Physics 6 (2019)
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.6.6.078
Ying T., Schmidt KP., Wessel S.:
Higgs Mode of Planar Coupled Spin Ladders and its Observation in C₉H₁₈N₂CuBr₄
In: Physical Review Letters 122 (2019), Art.Nr.: 127201
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.122.127201

Hörmann M., Wunderlich P., Schmidt KP.:
Dynamic Structure Factor of Disordered Quantum Spin Ladders
In: Physical Review Letters 121 (2018)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.121.167201
Powalski M., Schmidt KP., Uhrig GS.:
Mutually attracting spin waves in the square-lattice quantum Antiferromagnet
In: SciPost Physics 4 (2018), Art.Nr.: 001
ISSN: 2542-4653
DOI: 10.21468/SciPostPhys.4.1.001
Seifert UFP., Gritsch J., Wagner E., Joshi DG., Brenig W., Vojta M., Schmidt KP.:
Bilayer Kitaev models: Phase diagrams and novel phases
In: Physical Review B 98 (2018), Art.Nr.: ARTN 155101
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.98.155101

Adelhardt P., Gritsch J., Hille M., Reiß D., Schmidt KP.:
Quantum phase transitions to topological Haldane phases in spin-one chains studied by linked-cluster expansions
In: Physical Review B 96 (2017), Art.Nr.: ARTN 235123
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.96.235123
Hong T., Matsumoto M., Qiu Y., Chen W., Gentile TR., Watson S., Awwadi FF., Turnbull MM., Dissanayake SE., Agrawal H., Toft-Petersen R., Klemke B., Coester K., Schmidt KP., Tennant DA.:
Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point
In: Nature 13 (2017), S. 638-+
ISSN: 0028-0836
DOI: 10.1038/NPHYS4182
Hong T., Qiu Y., Matsumoto M., Tennant DA., Coester K., Schmidt KP., Awwadi FF., Turnbull MM., Agrawal H., Chernyshev AL.:
Field induced spontaneous quasiparticle decay and renormalization of quasiparticle dispersion in a quantum antiferromagnet
In: Nature Communications 8 (2017)
ISSN: 2041-1723
DOI: 10.1038/ncomms15148
Malki M., Schmidt KP.:
Magnetic Chern bands and triplon Hall effect in an extended Shastry-Sutherland model
In: Physical Review B 95 (2017), Art.Nr.: ARTN 195137
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.95.195137
Sahin S., Schmidt KP., Orus R.:
Entanglement continuous unitary transformations
In: EPL - Europhysics Letters 117 (2017)
ISSN: 0295-5075
DOI: 10.1209/0295-5075/117/20002
Sikkenk TS., Coester K., Buhrandt S., Fritz L., Schmidt KP.:
Emergence of a 2d macro-spin liquid in a highly frustrated 3d quantum magnet
In: Physical Review B 95 (2017), S. 060401
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.95.060401
Ward S., Mena M., Bouillot P., Kollath C., Giamarchi T., Schmidt KP., Normand B., Kramer KW., Biner D., Bewley R., Guidi T., Boehm M., Mcmorrow DF., Ruegg C.:
Bound States and Field-Polarized Haldane Modes in a Quantum Spin Ladder
In: Physical Review Letters 118 (2017)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.118.177202

Coester K., Joshi DG., Vojta M., Schmidt KP.:
Linked-cluster expansions for quantum magnets on the hypercubic lattice
In: Physical Review B 94 (2016)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.94.125109
Coester K., Schmidt KP.:
Extracting critical exponents for sequences of numerical data via series extrapolation techniques
In: Physical Review E 94 (2016)
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.94.022101
Fey S., Schmidt KP.:
Critical behavior of quantum magnets with long-range interactions in the thermodynamic limit
In: Physical Review B 94 (2016)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.94.075156
Ixert D., Schmidt KP.:
Nonperturbative linked-cluster expansions in long-range ordered quantum systems
In: Physical Review B 94 (2016)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.94.195133
Roechner J., Balents L., Schmidt KP.:
Spin liquid and quantum phase transition without symmetry breaking in a frustrated three-dimensional Ising model
In: Physical Review B 94 (2016)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.94.201111
Schneider DA., Coester K., Mila F., Schmidt KP.:
Pressure dependence of the magnetization plateaus of SrCu2(BO3)(2)
In: Physical Review B 93 (2016)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.93.241107

Coester K., Clever S., Herbst F., Capponi S., Schmidt KP.:
A generalized perspective on non-perturbative linked-cluster expansions
In: EPL - Europhysics Letters 110 (2015)
ISSN: 0295-5075
DOI: 10.1209/0295-5075/110/20006
Coester K., Schmidt KP.:
Optimizing linked-cluster expansions by white graphs
In: Physical Review E 92 (2015)
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.92.022118
Ixert D., Tischler T., Schmidt KP.:
Nonperturbative linked-cluster expansions for the trimerized ground state of the spin-one kagome Heisenberg model
In: Physical Review B 92 (2015)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.92.174422
Joshi DG., Coester K., Schmidt KP., Vojta M.:
Nonlinear bond-operator theory and 1/d expansion for coupled-dimer magnets. I. Paramagnetic phase
In: Physical Review B 91 (2015)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.91.094404
Powalski M., Uhrig GS., Schmidt KP.:
Roton Minimum as a Fingerprint of Magnon-Higgs Scattering in Ordered Quantum Antiferromagnets
In: Physical Review Letters 115 (2015)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.115.207202

Capponi S., Jahromi SS., Alet F., Schmidt KP.:
Baxter-Wu model in a transverse magnetic field
In: Physical Review E 89 (2014)
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.89.062136
Foltin GR., Manmana SR., Schmidt KP.:
Exotic magnetization plateaus in a quasi-two-dimensional Shastry-Sutherland model
In: Physical Review B 90 (2014)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.90.104404
Hong T., Schmidt KP., Coester K., Awwadi FF., Turnbull MM., Qiu Y., Rodriguez-Rivera JA., Zhu M., Ke X., Aoyama CP., Takano Y., Cao H., Tian W., Ma J., Custelcean R., Zhou HD., Matsuda M.:
Magnetic ordering induced by interladder coupling in the spin-1/2 Heisenberg two-leg ladder antiferromagnet C9H18N2CuBr4
In: Physical Review B 89 (2014)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.89.174432
Ixert D., Assaad FF., Schmidt KP.:
Mott physics in the half-filled Hubbard model on a family of vortex-full square lattices
In: Physical Review B 90 (2014)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.90.195133
Kamfor M., Dusuel S., Vidal J., Schmidt KP.:
Spectroscopy of a topological phase
In: Physical Review B 89 (2014)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.89.045411
Schulz MD., Dusuel S., Misguich G., Schmidt KP., Vidal J.:
Ising anyons with a string tension
In: Physical Review B 89 (2014)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.89.201103
Verkholyak T., Strecka J., Mila F., Schmidt KP.:
Exact ground states of a spin-1/2 Ising-Heisenberg model on the Shastry-Sutherland lattice in a magnetic field
In: Physical Review B 90 (2014)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.90.134413

Coester K., Malitz W., Fey S., Schmidt KP.:
Quantum disorder and local modes of the fully-frustrated transverse field Ising model on a diamond chain
In: Physical Review B 88 (2013)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.88.184402
Jahromi SS., Kargarian M., Masoudi SF., Schmidt KP.:
Robustness of a topological phase: Topological color code in a parallel magnetic field
In: Physical Review B 87 (2013)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.87.094413
Jahromi SS., Masoudi SF., Kargarian M., Schmidt KP.:
Quantum phase transitions out of a Z(2) x Z(2) topological phase
In: Physical Review B 88 (2013)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.88.214411
Matsuda YH., Abe N., Takeyama S., Kageyama H., Corboz P., Honecker A., Manmana SR., Foltin GR., Schmidt KP., Mila F.:
Magnetization of SrCu2(BO3)(2) in Ultrahigh Magnetic Fields up to 118 T
In: Physical Review Letters 111 (2013)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.111.137204
Orus R., Kalis H., Bornemann M., Schmidt KP.:
Bounds on universal quantum computation with perturbed two-dimensional cluster states
In: Physical Review A 87 (2013)
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.87.062312
Powalski M., Coester K., Moessner R., Schmidt KP.:
Disorder by disorder and flat bands in the kagome transverse field Ising model
In: Physical Review B 87 (2013)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.87.054404
Schmidt KP.:
Persisting topological order via geometric frustration
In: Physical Review B 88 (2013)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.88.035118
Schulz MD., Dusuel S., Schmidt KP., Vidal J.:
Topological Phase Transitions in the Golden String-Net Model
In: Physical Review Letters 110 (2013)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.110.147203

Kalis H., Klagges D., Orus R., Schmidt KP.:
Fate of the cluster state on the square lattice in a magnetic field
In: Physical Review A 86 (2012)
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.86.022317
Klagges D., Schmidt KP.:
Constraints on Measurement-Based Quantum Computation in Effective Cluster States
In: Physical Review Letters 108 (2012)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.108.230508
Nemec M., Foltin GR., Schmidt KP.:
Microscopic mechanism for the 1/8 magnetization plateau in SrCu2(BO3)(2)
In: Physical Review B 86 (2012)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.86.174425
Schulz MD., Dusuel S., Orus R., Vidal J., Schmidt KP.:
Breakdown of a perturbed Z(N) topological phase
In: New Journal of Physics 14 (2012)
ISSN: 1367-2630
DOI: 10.1088/1367-2630/14/2/025005
Yang HY., Fabricio Albuquerque A., Capponi S., Laeuchli AM., Schmidt KP.:
Effective spin couplings in the Mott insulator of the honeycomb lattice Hubbard model
In: New Journal of Physics 14 (2012)
ISSN: 1367-2630
DOI: 10.1088/1367-2630/14/11/115027

Dusuel S., Kamfor M., Orus R., Schmidt KP., Vidal J.:
Robustness of a Perturbed Topological Phase
In: Physical Review Letters 106 (2011)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.106.107203
Kamfor M., Dusuel S., Schmidt KP., Vidal J.:
Fate of Dirac points in a vortex superlattice
In: Physical Review B 84 (2011)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.84.153404
Manmana SR., Picon J-., Schmidt KP., Mila F.:
Unconventional magnetization plateaus in a Shastry-Sutherland spin tube
In: EPL - Europhysics Letters 94 (2011)
ISSN: 0295-5075
DOI: 10.1209/0295-5075/94/67004
Yang HY., Schmidt KP.:
Effective models for gapped phases of strongly correlated quantum lattice models
In: EPL - Europhysics Letters 94 (2011)
ISSN: 0295-5075
DOI: 10.1209/0295-5075/94/17004

Dusuel S., Kamfor M., Schmidt KP., Thomale R., Vidal J.:
Bound states in two-dimensional spin systems near the Ising limit: A quantum finite-lattice study
In: Physical Review B 81 (2010)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.81.064412
Exius I., Schmidt KP., Lake B., Tennant DA., Uhrig GS.:
Vertex corrections in the dynamic structure factor in spin ladders
In: Physical Review B 82 (2010)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.82.214410
Hong T., Kim YH., Hotta C., Takano Y., Tremelling G., Turnbull MM., Landee CP., Kang H-., Christensen NB., Lefmann K., Schmidt KP., Uhrig GS., Broholm C.:
Field-Induced Tomonaga-Luttinger Liquid Phase of a Two-Leg Spin-1/2 Ladder with Strong Leg Interactions
In: Physical Review Letters 105 (2010)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.105.137207
Kamfor M., Dusuel S., Vidal J., Schmidt KP.:
Kitaev model and dimer coverings on the honeycomb lattice
In: Journal of Statistical Mechanics-Theory and Experiment (2010)
ISSN: 1742-5468
DOI: 10.1088/1742-5468/2010/08/P08010
Schmidt KP., Laad M.:
Family of Exactly Solvable Models with an Ultimate Quantum Paramagnetic Ground State
In: Physical Review Letters 104 (2010)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.104.237201
Yang HY., Laeuchli AM., Mila F., Schmidt KP.:
Effective Spin Model for the Spin-Liquid Phase of the Hubbard Model on the Triangular Lattice
In: Physical Review Letters 105 (2010)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.105.267204

Savici AT., Granroth GE., Broholm CL., Pajerowski DM., Brown CM., Talham DR., Meisel MW., Schmidt KP., Uhrig GS., Nagler SE.:
Neutron scattering evidence for isolated spin-1/2 ladders in (C5D12N)(2)CuBr4
In: Physical Review B 80 (2009)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.80.094411
Schmidt KP., Dorier J., Mila F.:
Magnetization plateaux in an extended Shastry-Sutherland model
DOI: 10.1088/1742-6596/145/1/012047
Vidal J., Dusuel S., Schmidt KP.:
Low-energy effective theory of the toric code model in a parallel magnetic field
In: Physical Review B 79 (2009)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.79.033109
Vidal J., Thomale R., Schmidt KP., Dusuel S.:
Self-duality and bound states of the toric code model in a transverse field
In: Physical Review B 80 (2009)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.80.081104

Dorier J., Schmidt KP., Mila F.:
Theory of Magnetization Plateaux in the Shastry-Sutherland Model
In: Physical Review Letters 101 (2008)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.101.250402
Dusuel S., Schmidt KP., Vidal J.:
Creation and manipulation of anyons in the Kitaev model
In: Physical Review Letters 100 (2008)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.100.177204
Dusuel S., Schmidt KP., Vidal J., Zaffino RL.:
Perturbative study of the Kitaev model with spontaneous time-reversal symmetry breaking
In: Physical Review B 78 (2008)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.78.125102
Mila F., Dorier J., Schmidt KP.:
Supersolid Phases of Hardcore Bosons on the Square Lattice: Correlated Hopping, Next-Nearest Neighbor Hopping and Frustration
In: Progress of Theoretical Physics Supplement (2008), S. 355-374
ISSN: 0375-9687
Picon J-., Albuquerque AF., Schmidt KP., Laflorencie N., Troyer M., Mila F.:
Mechanisms for spin supersolidity in S=1/2 spin-dimer antiferromagnets
In: Physical Review B 78 (2008)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.78.184418
Schmidt KP., Dorier J., Laeuchli AM.:
Solids and Supersolids of Three-Body Interacting Polar Molecules on an Optical Lattice
In: Physical Review Letters 101 (2008)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.101.150405
Schmidt KP., Dorier J., Laeuchli AM., Mila F.:
Supersolid phase induced by correlated hopping in spin-1/2 frustrated quantum magnets
In: Physical Review Letters 100 (2008)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.100.090401
Schmidt KP., Dusuel S., Vidal J.:
Emergent fermions and anyons in the Kitaev model
In: Physical Review Letters 100 (2008)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.100.057208
Vidal J., Schmidt KP., Dusuel S.:
Perturbative approach to an exactly solved problem: Kitaev honeycomb model
In: Physical Review B 78 (2008)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.78.245121

Schmidt KP, Gruninger M, Uhrig GS:
Fate of orbitons coupled to phonons
In: Physical Review B 76 (2007)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.76.075108
Notbohm S, Ribeiro P, Lake B, Tennant DA, Schmidt KP, Uhrig GS, Hess C, Klingeler R, Behr G, Buchner B, Reehuis M, Bewley RI, Frost CD, Manuel P, Eccleston RS:
One- and two-triplon spectra of a cuprate ladder
In: Physical Review Letters 98 (2007)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.98.027403
Schmidt KP, Uhrig GS:
Two dimensionality of magnetic excitations on the trellis lattice: (La,Sr,Ca)(14)Cu24O41 and SrCu2O3
In: Physical Review B 75 (2007)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.75.224414

Schmidt KP, Uhrig GS:
Hard-core magnons in the S=1/2 Heisenberg model on the square lattice
In: Physical Review B 73 (2006)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.73.172407
Hong T, Kenzelmann M, Turnbull MM, Landee CP, Lewis BD, Schmidt KP, Uhrig GS, Qiu Y, Broholm C, Reich D:
Neutron scattering from a coordination polymer quantum paramagnet
In: Physical Review B 74 (2006)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.74.094434
Schmidt KP, Dorier J, Lauchli A, Mila F:
Single-particle versus pair condensation of hard-core bosons with correlated hopping
In: Physical Review B 74 (2006)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.74.174508
Schmidt KP, Reischl A, Uhrig GS:
Thermodynamics of adiabatically loaded cold bosons in the Mott insulating phase of one-dimensional optical lattices
In: European Physical Journal D 38 (2006), S. 343-352
ISSN: 1434-6060
DOI: 10.1140/epjd/e2006-00003-9

Uhrig GS, Schmidt KP, Gruninger M:
Magnetic Excitations in Bilayer High-Temperature Superconductors with Stripe Correlations
In: Journal of the Physical Society of Japan 74 (2005)
ISSN: 0031-9015
Uhrig GS, Schmidt KP, Gruninger M:
Magnetic excitations in the stripe phase of high-T-c superconductors
DOI: 10.1016/j.jmmm.2004.11.230
Schmidt KP, Gossling A, Kuhlmann U, Thomsen C, Loffert A, Gross C, Assmus W:
Raman response of magnetic excitations in cuprate ladders and planes
In: Physical Review B 72 (2005)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.72.094419
Reischl A, Schmidt KP, Uhrig GS:
Temperature in one-dimensional bosonic Mott insulators
In: Physical Review A 72 (2005)
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.72.063609
Schmidt KP., Uhrig GS.:
Spectral properties of magnetic excitations in cuprate two-leg ladder systems
In: Modern Physics Letters B 19 (2005), S. 1179-1205
ISSN: 0217-9849
(anderer)

Schmidt KP, Knetter C, Uhrig GS:
Spectral properties of the dimerized and frustrated S=1/2 chain
In: Physical Review B 69 (2004)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.69.104417
Uhrig GS, Schmidt KP, Gruninger M:
Unifying magnons and triplons in stripe-ordered cuprate superconductors
In: Physical Review Letters 93 (2004)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.93.267003

Schmidt KP, Knetter C, Gruninger M, Uhrig GS:
Charge-order-induced sharp Raman peak in Sr14Cu24O41
In: Physical Review Letters 90 (2003)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.90.167201
Schmidt KP, Uhrig GS:
Excitations in one-dimensional S = 1/2 quantum antiferromagnets
In: Physical Review Letters 90 (2003)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.90.227204
Knetter C, Schmidt KP, Uhrig GS:
High order perturbation theory for spectral densities of multi-particle excitations: S=1/2 two-leg Heisenberg ladder
In: European Physical Journal B 36 (2003), S. 525-544
ISSN: 1434-6028
DOI: 10.1140/epjb/e2004-00008-2
Schmidt KP, Knetter C, Uhrig GS:
Novel extrapolation for strong coupling expansions
Gruninger M, Windt M, Benckiser E, Nunner TS, Schmidt KP, Uhrig GS, Kopp T:
Optical spectroscopy of low-dimensional quantum spin systems
Schmidt KP, Monien H, Uhrig GS:
Rung-singlet phase of the S=(1)/(2) two-leg spin-ladder with four-spin cyclic exchange
In: Physical Review B 67 (2003)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.67.184413
Buhler A, Low U, Schmidt KP, Uhrig GS:
Thermodynamic properties of spin ladders with cyclic exchange
In: Physical Review B 67 (2003)
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.67.134428
Knetter C, Schmidt KP, Uhrig GS:
The structure of operators in effective particle-conserving models
In: Journal of Physics A: Mathematical and General 36 (2003), S. 7889-7907
ISSN: 0305-4470

Gruninger M, Windt M, Nunner T, Knetter C, Schmidt KP, Uhrig GS, Kopp T, Freimuth A, Ammerahl U, Buchner B, Revcolevschi A:
Magnetic excitations in two-leg spin 1/2 ladders: experiment and theory
Knetter C, Schmidt KP, Uhrig GS:
Multi-particle excitations and spectral densities in quantum spin-systems
In: Physica B-Condensed Matter 312 (2002), S. 527-528
ISSN: 0921-4526
Gruninger M, Windt M, Nunner T, Knetter C, Schmidt KP, Uhrig GS, Kopp T, Freimuth A, Ammerahl U, Buchner B, Revcolevschi A:
Optical spectroscopy of (La, Ca)(14)Cu24O41 spin ladders: comparison of experiment and theory

Knetter C, Schmidt KP, Gruninger M, Uhrig GS:
Fractional and integer excitations in quantum antiferromagnetic spin 1/2 ladders
In: Physical Review Letters 87 (2001), S. art. no.-167204
ISSN: 0031-9007
Windt M, Gruninger M, Nunner T, Knetter C, Schmidt KP, Uhrig GS, Kopp T, Freimuth A, Ammerahl U, Buchner B, Revcolevschi A:
Observation of two-magnon bound states in the two-leg ladders of (Ca, La)(14)Cu24O41
In: Physical Review Letters 87 (2001)
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.87.127002
Schmidt KP, Knetter C, Uhrig GS:
Raman response in antiferromagnetic two-leg S=1/2 Heisenberg ladders
In: EPL - Europhysics Letters 56 (2001), S. 877-883
ISSN: 0295-5075

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