Publications (35)
Spectral microscopic mechanisms and quantum phase transitions in a 1D correlated problem
J. M. P. Carmelo, K. Penc
Degeneracy and ordering of the non-coplanar phase of the classical bilinear-biquadratic Heisenberg model on the triangular lattice
S. E. Korshunov, F. Mila, K. Penc
One-Electron Singular Branch Lines of the Hubbard Chain
J. M. P. Carmelo, K. Penc, L. M. Martelo +5
Charge gap in the one--dimensional dimerized Hubbard model at quarter-filling
K. Penc, F. Mila
Directional dichroism in the paramagnetic state of multiferroics: a case study of infrared light absorption in Sr2CoSi2O7 at high temperatures
J. Viirok, U. Nagel, T. Rõõm +12
Correlation-function asymptotic expansions: pre-factors universality
J. M. P. Carmelo, K. Penc
Half-magnetization plateau stabilized by structural distortion in the antiferromagnetic Heisenberg model on a pyrochlore lattice
K. Penc, N. Shannon, H. Shiba
The quadrupolar phases of the S=1 bilinear-biquadratic Heisenberg model on the triangular lattice
A. Laeuchli, F. Mila, K. Penc
Magnetoelasticity in ACr2O4 spinel oxides
V. Kocsis, S. Bordács, D. Varjas +6
The TTF finite-energy spectral features in photoemission of TTF-TCNQ: The Hubbard-chain description
D. Bozi, J. M. P. Carmelo, K. Penc +1
Charge dynamics in half-filled Hubbard chains with finite on-site interaction
R. G. Pereira, K. Penc, S. R. White +2
The emergence of Resonating Valence Bond physics in spin-orbital models
F. Mila, F. Vernay, A. Ralko +3
Spin-stretching modes in anisotropic magnets: spin-wave excitations in the multiferroic Ba2CoGe2O7
K. Penc, J. Romhányi, T. Rõõm +10
Dynamical Functions of a 1D Correlated Quantum Liquid
J. M. P. Carmelo, D. Bozi, K. Penc
Superconductivity Driven by Chain Coupling and Electronic Correlations
J. M. P. Carmelo, F. Guinea, K. Penc +1
Theory of Orbital Kondo Effect with Assisted Hopping in Strongly Correlated Electron Systems: Parquet Equations, Superconductivity and Mass Enhancement
K. Penc, A. Zawadowski
Charge and Spin Quantum Fluids Generated by Many-Electron Interactions
J. M. P. Carmelo, J. M. Roman, K. Penc
A quantum liquid with deconfined fractional excitations in three dimensions
O. Sikora, F. Pollmann, N. Shannon +2
The Hubbard model description of the photoemission TCNQ singular features
J. M. P. Carmelo, K. Penc, P. D. Sacramento +2
Spin-orbital quantum liquid on the honeycomb lattice
P. Corboz, M. Lajkó, A. M. Läuchli +2
Phase Diagram of the S = 1/2 Frustrated Coupled Ladder System
B. Normand, K. Penc, M. Albrecht +1
Exact ground states with deconfined gapless excitations for the 3 leg spin-1/2 tube
M. Lajko, P. Sindzingre, K. Penc
Manifestation of spin-charge separation in the dynamic dielectric response of one--dimensional Sr2CuO3
R. Neudert, M. Knupfer, M. S. Golden +6
Order by disorder in a four flavor Mott-insulator on the fcc lattice
P. Sinkovicz, G. Szirmai, K. Penc
Orbital degeneracy as a source of frustration in LiNiO$_2$
F. Vernay, K. Penc, P. Fazekas +1
Finite-Energy Spectral-Weight Distributions of a 1D Correlated Metal
J. M. P. Carmelo, K. Penc, D. Bozi
Pressure Induced Quantum Critical Point and Non-Fermi-Liquid Behavior in BaVS3
L. Forro, R. Gaal, H. Berger +4
The electronic structure and the phases of BaVS3
P. Fazekas, K. Penc, K. Radnoczi +8
Finite-Energy Pseudoparticle Theory for the 1D Hubbard Model II: Holon and Spinon Dominant Processes for the Few-Electron Spectral Weight Properties
J. M. P. Carmelo, K. Penc
Magnetic properties of the coupled ladder system MgV$_2$O$_5$
P. Millet, C. Satto, J. Bonvoisin +4
Negative thermal expansion in the plateau state of a magnetically-frustrated spinel
L. Rossi, A. Bobel, S. Wiedmann +6
Topological Magnons in Kitaev Magnets at High Fields
P. A. McClarty, X. -Y. Dong, M. Gohlke +4
General spectral function expressions of a 1D correlated model
J. M. P. Carmelo, K. Penc
Orbitally Driven Spin Pairing in the 3D Non-Magnetic Mott Insulator BaVS3: Evidence from Single Crystal Studies
G. Mihaly, I. Kezsmarki, F. Zamborszky +5
Finite energy spectral function of an anisotropic 2D system of coupled Hubbard chains
P. Ribeiro, P. D. Sacramento, K. Penc