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Physical review. B, Condensed matter and materials physics, ISSN 1550-235X, 2014, Volume 90, Issue 8
We consider the nonequilibrium dynamics of a system of interacting massless fermions in a ring threaded by a magnetic flux. We focus on the quench where the... 
CHAIN | GASES | PHYSICS, CONDENSED MATTER | SPIN CORRELATION-FUNCTIONS | FREDHOLM DETERMINANTS
Journal Article
EPL (Europhysics Letters), ISSN 0295-5075, 10/2011, Volume 96, Issue 2, p. 27002
We show how the phenomenon of factorization in a quantum many-body system is of collective nature. To this aim we study the quantum discord Q in the... 
CHAIN | SPIN-CORRELATION FUNCTIONS | MODEL | PHYSICS, MULTIDISCIPLINARY | QUANTUM | ENTANGLEMENT
Journal Article
Journal of statistical physics, ISSN 1572-9613, 2019, Volume 175, Issue 6, pp. 1164 - 1213
Journal Article
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, 03/2014, Volume 89, Issue 3, p. 032105
The q-state Potts model with long-range correlated disorder is studied by means of large-scale Monte Carlo simulations for q = 2, 4, 8, and 16. Evidence is... 
MONTE-CARLO | RENORMALIZATION-GROUP | ASHKIN-TELLER MODEL | PHYSICS, FLUIDS & PLASMAS | SPIN CORRELATION-FUNCTIONS | RANDOM-SYSTEMS | 3D ISING-MODEL | BOND DILUTION | TRANSITIONS | PHYSICS, MATHEMATICAL | QUENCHED DISORDER | CRITICAL-POINTS
Journal Article
Quantum Information and Computation, ISSN 1533-7146, 06/2017, Volume 17, Issue 7-8, pp. 636 - 672
Estimation of the minimum eigenvalue of a quantum Hamiltonian can be formalised as the Local Hamiltonian problem. We study the natural special case of the... 
QMA-completeness | Perturbative gadgets | Local Hamiltonian problem | 2D lattices | SPIN-CORRELATION-FUNCTIONS | CHAIN | COMPUTATIONAL-COMPLEXITY | XY-MODEL | COMPUTER SCIENCE, THEORY & METHODS | PHYSICS, MATHEMATICAL | PHYSICS, PARTICLES & FIELDS
Journal Article
Journal of physics. A, Mathematical and theoretical, ISSN 1751-8121, 2010, Volume 43, Issue 50, p. 505302
It is found that, for a periodic XY chain, the competition between periodicity and anisotropy gives rise to more than one phase-transition point at some... 
CHAIN | PHYSICS, MULTIDISCIPLINARY | ENTANGLEMENT | SPIN-CORRELATION FUNCTIONS | STATISTICAL MECHANICS | PHYSICS, MATHEMATICAL | ENTROPY
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 05/2013, Volume 87, Issue 18
The one-dimensional transverse field Ising model is solved by continuous unitary transformations in the high-field limit. A high accuracy is reached due to the... 
CHAIN | PERTURBATION-THEORY | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | EXCITATIONS | DIMENSIONAL XY-MODEL | FLOW EQUATIONS | SUSCEPTIBILITIES | MATERIALS SCIENCE, MULTIDISCIPLINARY | DYNAMIC CORRELATION-FUNCTIONS | SPIN CORRELATION-FUNCTIONS | RENORMALIZATION
Journal Article
Physical Review B - Condensed Matter and Materials Physics, ISSN 1098-0121, 03/2014, Volume 89, Issue 12
We show how the entanglement contained in states of spins arranged on a lattice may be lower bounded with observables arising in scattering experiments. We... 
CHAIN | LA2CUO4 | PHYSICS, CONDENSED MATTER | EXCITATIONS | QUANTUM | SPIN-CORRELATION FUNCTIONS | DYNAMICS | STATE | HEISENBERG-ANTIFERROMAGNET | CRITICAL MAGNETIC SCATTERING | ENTROPY
Journal Article
Journal of Physics: Condensed Matter, ISSN 0953-8984, 11/2010, Volume 22, Issue 43, p. 436003
Using Monte Carlo simulations we investigate magnetic hysteresis in two- and three-dimensional systems of weakly antiferromagnetically coupled spin chains... 
SPIN-CORRELATION-FUNCTIONS | TRANSITION | PHYSICS, CONDENSED MATTER | FILMS | TEMPERATURE | SLOW DYNAMICS | STATE | DIPOLAR FLUIDS | SIMULATION | HARD MAGNETS | COERCIVITY
Journal Article
Journal of statistical mechanics, ISSN 1742-5468, 2011, Volume 2011, Issue 12, p. P12010
Journal Article
International Journal of Nonlinear Sciences and Numerical Simulation, ISSN 1565-1339, 06/2018, Volume 19, Issue 3, pp. 1 - 6
Journal Article