Entanglement in many-body systems
Recent interest in aspects common to quantum information and condensed matter has
prompted a flurry of activity at the border of these disciplines that were far distant until a few …
prompted a flurry of activity at the border of these disciplines that were far distant until a few …
Quantum discord and its allies: a review of recent progress
We review concepts and methods associated with quantum discord and related topics. We
also describe their possible connections with other aspects of quantum information and …
also describe their possible connections with other aspects of quantum information and …
Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
We review recent developments in the physics of ultracold atomic and molecular gases in
optical lattices. Such systems are nearly perfect realisations of various kinds of Hubbard …
optical lattices. Such systems are nearly perfect realisations of various kinds of Hubbard …
Scaling of entanglement close to a quantum phase transition
Classical phase transitions occur when a physical system reaches a state below a critical
temperature characterized by macroscopic order. Quantum phase transitions occur at …
temperature characterized by macroscopic order. Quantum phase transitions occur at …
Entanglement in a simple quantum phase transition
TJ Osborne, MA Nielsen - Physical Review A, 2002 - APS
What entanglement is present in naturally occurring physical systems at thermal
equilibrium? Most such systems are intractable and it is desirable to study simple but …
equilibrium? Most such systems are intractable and it is desirable to study simple but …
Ground state entanglement in quantum spin chains
A microscopic calculation of ground state entanglement for the XY and Heisenberg models
shows the emergence of universal scaling behavior at quantum phase transitions …
shows the emergence of universal scaling behavior at quantum phase transitions …
Global entanglement in multiparticle systems
DA Meyer, NR Wallach - Journal of Mathematical Physics, 2002 - pubs.aip.org
Although entanglement has been recognized as a remarkable feature of quantum
mechanics since Schrödinger introduced the word1 in response to Einstein, Podolsky and …
mechanics since Schrödinger introduced the word1 in response to Einstein, Podolsky and …
Minimally entangled typical thermal state algorithms
EM Stoudenmire, SR White - New Journal of Physics, 2010 - iopscience.iop.org
We discuss a method based on sampling minimally entangled typical thermal states
(METTS) that can simulate finite temperature quantum systems with a computational cost …
(METTS) that can simulate finite temperature quantum systems with a computational cost …
Entanglement versus correlations in spin systems
F Verstraete, M Popp, JI Cirac - Physical review letters, 2004 - APS
We consider pure quantum states of N≫ 1 spins or qubits and study the average
entanglement that can be localized between two separated spins by performing local …
entanglement that can be localized between two separated spins by performing local …
Quantum entanglement in fermionic lattices
P Zanardi - Physical review A, 2002 - APS
The Fock space of a system of indistinguishable particles is isomorphic (in a nonunique
way) to the state space of a composite, ie, many modes, quantum system. One can then …
way) to the state space of a composite, ie, many modes, quantum system. One can then …