publications (Dr. Kai P. Schmidt, Theoretical Physics I, Dortmund University of Technology)

Veröffentlichungen / publications

[2001] [2002] [2003] [2004] [2005] [2006] [2007] 2008

J.-D. Picon, F. Albuquerce, K.P. Schmidt, N. Laflorencie, M. Troyer, and F. Mila
Mechanisms for Spin-Supersolidity in S=1/2 Spin-Dimer Antiferromagnets
submitted to Physical Review B (2008)
DOI: []
cond-mat [arXiv:0807.4190]
J. Vidal, S. Dusuel, and K.P. Schmidt,
Phase Diagram of the Toric Code Model in a Magnetic Field
submitted to Physical Review Letters (2008)
DOI: []
cond-mat [arXiv:0807.0487]
J. Dorier, K.P. Schmidt and F. Mila,
Theory of magnetization plateaux in the Shastry-Sutherland model
submitted to Physical Review Letters (2008)
DOI: []
cond-mat [arXiv:0806.3406]
K.P. Schmidt, J. Dorier, and A. Läuchli,
Solids and supersolids of three-body interacting polar molecules in an optical lattice
accepted for Physical Review Letters (2008)
DOI: []
cond-mat [arXiv:0805.1408]
S. Dusuel, K.P. Schmidt, J. Vidal, and R.L. Zaffino,
Perturbative study of the Kitaev model with spontaneous time-reversal symmetry breaking
Physical Review B 78, 125102 (2008)
DOI: []
cond-mat [arXiv:0804.4775]
S. Dusuel, K.P. Schmidt, and J. Vidal,
Creation and manipulation of anyons in the Kitaev model
Physical Review Letters 100, 177204 (2008)
DOI: [doi:10.1103/PhysRevLett.100.177204]
cond-mat [arXiv:0802.0379]
J. Vidal, S. Dusuel, and K.P. Schmidt
Comment on "Anyonic braiding in optical lattices"
(2008)
DOI: [doi:]
cond-mat [arXiv:0801.4620]
K.P. Schmidt, S. Dusuel and J. Vidal,
Emergent fermions and anyons in the Kitaev model
Physical Review Letters 100, 057208 (2008)
DOI: [doi:10.1103/PhysRevLett.100.057208]
cond-mat [arXiv:0709.3017]
K.P. Schmidt, J. Dorier, A. Läuchli and F. Mila,
Supersolid phase induced by correlated hopping in spin-1/2 frustrated quantum magnets
Physical Review Letters 100, 090401 (2008)
DOI: [doi:10.1103/PhysRevLett.100.090401]
cond-mat [arXiv:0706.1517]

[2001] [2002] [2003] [2004] [2005] [2006] 2007 [2008]

K.P. Schmidt and G.S. Uhrig
Two-Dimensionality of Magnetic Excitations on the Trellis Lattice: (La,Sr,Ca)₁₄Cu₂₄O₄₁ and SrCu₂O₃
Physical Review B 75(22), 224414 (2007)
DOI: [doi:10.1103/PhysRevB.74.224414]
cond-mat [cond-mat/0701551]
K.P. Schmidt, M. Grüninger, and G.S. Uhrig
The fate of orbitons coupled to phonons
Physical Review B 76(7), 075108 (2007)
DOI: [doi:10.1103/PhysRevB.76.075108]
cond-mat [cond-mat/0603766]
S. Notbohm, P. Ribeiro, B. Lake, D.A. Tennant, K.P. Schmidt, G.S. Uhrig, C. Hess, R. Klingeler, G. Behr, B. Büchner, M. Reehuis, R.I. Bewle, C.D. Frost, P.Manuel, and R.S. Eccleston
One- and Two-Triplon Spectra of a Cuprate Ladder
Physical Review Letters 98(2), 027403 (2007)
DOI: [doi:10.1103/PhysRevLett.98.027403]
cond-mat [cond-mat/0608109]

[2001] [2002] [2003] [2004] [2005] 2006 [2007] [2008]

K.P. Schmidt, J. Dorier, A. Läuchli and F. Mila,
Single-particle versus pair condensation of hard-core bosons with correlated hopping
Physical Review B 74(9), 174508 (2006)
DOI: [doi:10.1103/PhysRevB.74.174508]
cond-mat [cond-mat/0607618]
Tao Hong, M. Kenzelmann, M.M. Turnbull, C.P. Landee, B.D. Lewis, K.P. Schmidt, G.S. Uhrig, Y.Qiu, C.Broholm, and D.H. Reich
Neutron scattering from a coordination polymer quantum paramagnet
Physical Review B 74(9), 094434 (2006)
DOI: [doi:10.1103/PhysRevB.74.094434]
cond-mat [cond-mat/0603592]
K.P. Schmidt and G.S. Uhrig
Hard-core magnons in the S=½ Heisenberg model on the square lattice
Physical Review B 73(17), 172407 (2006)
DOI: [doi:10.1103/PhysRevB.73.172407]
cond-mat [cond-mat/0512244]
K.P. Schmidt, A. Reischl, and G.S. Uhrig
Thermodynamics of adiabatically loaded cold bosons in the Mott insulating phase of one-dimensional optical lattices
European Physical Journal D 38(2), 343-352 (2006)
DOI: [doi:10.1140/epjd/e2006-00003-9]
cond-mat [cond-mat/0510461]

[2001] [2002] [2003] [2004] 2005 [2006] [2007] [2008]

A. Reischl, K.P. Schmidt, and G.S. Uhrig
Temperature in one-dimensional bosonic Mott insulators
Physical Review A 72(6), 063609 (2005)
DOI: [doi:10.1103/PhysRevA.72.063609]
cond-mat [cond-mat/0504724]
K.P. Schmidt, A. Gössling, U. Kuhlmann, C. Thomsen, A. Löoffert, C. Gross, and W. Assmus,
Raman response of Magnetic Excitations in Cuprate Ladders and Planes
Physical Review B 72, 094419 (2005)
DOI: [doi:10.1103/PhysRevB.74.094419]
cond-mat [cond-mat/0503558]
K.P. Schmidt and G.S. Uhrig
Spectral Properties of Magnetic Excitations in Cuprate Two-Leg Ladder Systems
Modern Physics Letters B 19(24), 1179-1205 (2005)
DOI: [doi:10.1142/S0217984905009237]
cond-mat [cond-mat/0508349]
G.S. Uhrig, K.P. Schmidt, and M. Grüninger
Magnetic Excitations in Bilayer High-Temperature Superconductors with Stripe Correlations
Journal of the Physical Society of Japan 74 (Suppl.), 86-97 (2005)
cond-mat [cond-mat/0502460]
G.S. Uhrig, K.P. Schmidt, and M. Grüninger
Magnetic excitations in the stripe phase of high-T_c superconductors
Journal of Magnetism and Magnetic Materials 290-291, 330-333 (2005)
DOI: [doi:10.1016/j.jmmm.2004.11.230]
cond-mat [cond-mat/0407648]

[2001] [2002] [2003] 2004 [2005] [2006] [2007] [2008]

G.S. Uhrig, K.P. Schmidt, and M. Grüninger
Unifying Magnons and Triplons in Stripe-Ordered Cuprate Superconductors
Physical Review Letter 93(26), 267003 (2004)
DOI: [doi:10.1103/PhysRevLett.93.267003]
cond-mat [cond-mat/0402659]
C. Knetter, K.P. Schmidt, and G.S. Uhrig
High order perturbation theory for spectral densities of multi-particle excitations: S=½ two-leg Heisenberg ladder
European Physical Journal B 36(4), 525-544 (2004)
DOI: [doi:10.1140/epjb/e2004-00008-2]
cond-mat [cond-mat/0312246]
K.P. Schmidt, C. Knetter, and G.S. Uhrig
Spectral properties of the dimerized and frustrated S=½ chain
Physical Review B 69(10), 104417 (2004)
DOI: [doi:10.1103/PhysRevB.69.104417]
cond-mat [cond-mat/0307678]

[2001] [2002] 2003 [2004] [2005] [2006] [2007] [2008]

M. Grüninger, M. Windt, E. Benckiser, T.S. Nunner, K.P. Schmidt, G.S. Uhrig, and T. Kopp
Optical Spectroscopy of Low-Dimensional Quantum Spin Systems
in Advances in Solid State Physics, Vol. 43, 95-112, edited by B. Kramer (Springer, Heidelberg, 2003)
DOI: [doi:10.1007/b12017]
C. Knetter, K.P. Schmidt, and G.S. Uhrig
The structure of operators in effective particle-conserving models
Journal of Physics A: Mathematics and General 36(29), 7889-7907 (2003)
DOI: [doi:10.1088/0305-4470/36/29/302]
cond-mat [cond-mat/0306333]
K.P. Schmidt and G.S. Uhrig
Excitations in One-Dimensional S=½ Quantum Antiferromagnets
Physical Review Letters 90(22), 227204 (2003)
DOI: [doi:10.1103/PhysRevLett.90.227204]
cond-mat [cond-mat/0211627]
K.P. Schmidt, H. Monien, and G.S. Uhrig
Rung-singlet phase of the S=½ two-leg spin-ladder with four-spin cyclic exchange
Physical Review B 67(18), 184413 (2003)
DOI: [doi:10.1103/PhysRevB.67.184413]
cond-mat [cond-mat/0211429]
A. Bühler, U. Löw, K.P. Schmidt, and G.S. Uhrig
Thermodynamic properties of spin ladders with cyclic exchange
Physical Review B 67(13), 134428 (2003)
DOI: [doi:10.1103/PhysRevB.67.134428]
cond-mat [cond-mat/0210669]
K.P. Schmidt, C. Knetter, M. Grüninger, and G.S. Uhrig
Charge-Order-Induced Sharp Raman Peak in Sr₁₄Cu₂₄O₄₁
Physical Review Letters 90(16), 167201 (2003)
DOI: [doi:10.1103/PhysRevLett.90.167201]
cond-mat [cond-mat/0210092]
K.P. Schmidt, C. Knetter, and G.S. Uhrig
Novel Extrapolation for Strong Coupling Expansions
Acta Physica Polonica B 34(22), 1481 (2003)
cond-mat [cond-mat/0208358]

[2001] 2002 [2003] [2004] [2005] [2006] [2007] [2008]

M. Grüninger, M. Windt, T. Nunner, C. Knetter, K. Schmidt, G.S. Uhrig, T. Kopp, A. Freimuth, U. Ammerahl, B. Büchner, and A. Revcolevschi
Magnetic excitations in two-leg spin ½ ladders: experiment and theory
Journal of Physics and Chemistry of Solids 63(12), 2335-2173 (2002)
DOI: [doi:10.1016/S0022-3697(02)00251-2]
cond-mat [cond-mat/0109524]
M. Grüninger, M. Windt, T. Nunner, C. Knetter, K.P. Schmidt, G.S. Uhrig, T. Kopp, A. Freimuth, U. Ammerahl, B. Büchner, and A. Revcolevschi
Optical spectroscopy of (La,Ca)₁₄Cu₂₄O₄₁ spin ladders: comparison of experiment and theory
Physica B: Condensed Matter 312-313, 617-618 (2002)
DOI: [doi:10.1016/S0921-4526(01)01199-1]
cond-mat [cond-mat/0108437]
C. Knetter, K.P. Schmidt, and G.S. Uhrig
Multi-particle excitations and spectral densities in quantum spin-systems
Physica B: Condensed Matter 312-313, 527-528 (2002)
DOI: [doi:10.1016/S0921-4526(01)01333-3]
cond-mat [cond-mat/0107526]

2001 [2002] [2003] [2004] [2005] [2006] [2007] [2008]

K.P. Schmidt, C. Knetter, and G.S. Uhrig
Raman Response in Antiferromagnetic Two-Leg S=½ Heisenberg Ladders
Europhysics Letters 56(6), 877-883 (2001)
DOI: [doi:doi:10.1209/epl/i2001-00601-y]
cond-mat [cond-mat/0107431]
C. Knetter, K.P. Schmidt, M. Grüninger, and G.S. Uhrig
Fractional and Integer Excitations in Quantum Antiferromagnetic Spin ½ Ladders
Physical Review Letters 87(16), 167204 (2001)
DOI: [doi:10.1103/PhysRevLett.87.167204]
cond-mat [cond-mat/0106077]
M. Windt, M. Grüninger, T. Nunner, C. Knetter, K.P. Schmidt, G.S. Uhrig, T. Kopp, A. Freimuth, U. Ammerahl, B. Büchner, and A. Revcolevschi
Observation of Two-Magnon Bound States in the Two-Leg Ladders of (Ca,La)₁₄Cu₂₄O₄₁
Physical Review Letters 87(12), 127002 (2001)
DOI: [doi:10.1103/PhysRevLett.87.127002]
cond-mat [cond-mat/0103438]

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