Finite-temperature transport in one-dimensional quantum lattice models
Over the last decade impressive progress has been made in the theoretical understanding
of transport properties of clean, one-dimensional quantum lattice systems. Many physically …
of transport properties of clean, one-dimensional quantum lattice systems. Many physically …
Frustration and chiral orderings in correlated electron systems
The term frustration refers to lattice systems whose ground state cannot simultaneously
satisfy all the interactions. Frustration is an important property of correlated electron systems …
satisfy all the interactions. Frustration is an important property of correlated electron systems …
Vector chiral and multipolar orders in the spin-1 2 frustrated ferromagnetic chain in magnetic field
We study the one-dimensional spin-1/2 Heisenberg chain with competing ferromagnetic
nearest-neighbor J 1 and antiferromagnetic next-nearest-neighbor J 2 exchange couplings …
nearest-neighbor J 1 and antiferromagnetic next-nearest-neighbor J 2 exchange couplings …
Emergent multipolar spin correlations in a fluctuating spiral: The frustrated ferromagnetic spin-1 2 Heisenberg chain in a magnetic field
We present the phase diagram of the frustrated ferromagnetic S= 1 2 Heisenberg J 1− J 2
chain in a magnetic field, obtained by large scale exact diagonalizations and density matrix …
chain in a magnetic field, obtained by large scale exact diagonalizations and density matrix …
Magnon pairing in quantum spin nematic
ME Zhitomirsky, H Tsunetsugu - Europhysics Letters, 2010 - iopscience.iop.org
Competing ferro-and antiferromagnetic exchange interactions may lead to the formation of
bound magnon pairs in the high-field phase of a frustrated quantum magnet. With …
bound magnon pairs in the high-field phase of a frustrated quantum magnet. With …
Frustrated Cuprate Route from Antiferromagnetic to Ferromagnetic Spin- Heisenberg Chains: as a Missing Link near the Quantum Critical Point
SL Drechsler, O Volkova, AN Vasiliev, N Tristan… - Physical review …, 2007 - APS
From thermodynamics, local spin density approximation+ Hubbard U studies and exact
diagonalizations of a five-band Hubbard model on CuO 2 stripes we find that Li 2 ZrCuO 4 …
diagonalizations of a five-band Hubbard model on CuO 2 stripes we find that Li 2 ZrCuO 4 …
Evidence of a Bond-Nematic Phase in
Polarized and unpolarized neutron scattering experiments on the frustrated ferromagnetic
spin-1/2 chain LiCuVO 4 show that the phase transition at HQ of 8 T is driven by quadrupolar …
spin-1/2 chain LiCuVO 4 show that the phase transition at HQ of 8 T is driven by quadrupolar …
Theory of spin excitations in a quantum spin-nematic state
The idea that a quantum magnet could act like a liquid crystal, breaking spin-rotation
symmetry without breaking time-reversal symmetry, holds an abiding fascination. However …
symmetry without breaking time-reversal symmetry, holds an abiding fascination. However …
Multimagnon bound states in the frustrated ferromagnetic one-dimensional chain
We study a one-dimensional Heisenberg chain with competing ferromagnetic nearest-
neighbor and antiferromagnetic next-nearest-neighbor interactions in a magnetic field …
neighbor and antiferromagnetic next-nearest-neighbor interactions in a magnetic field …
Magnetic ordering in the frustrated Heisenberg chain system cupric chloride
MG Banks, RK Kremer, C Hoch, A Simon… - Physical Review B …, 2009 - APS
We report a detailed examination of the magnetic structure of anhydrous cupric chloride
CuCl 2 carried out by powder neutron diffraction, magnetic susceptibility, and specific heat …
CuCl 2 carried out by powder neutron diffraction, magnetic susceptibility, and specific heat …