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cond-mat.stat-mech2016★ 4 cited
Quantum mean-field approximation for lattice quantum models: truncating quantum correlations, and retaining classical ones
Daniele Malpetti, Tommaso Roscilde
In a recent work [D. Malpetti and T. Roscilde, arXiv:1605.04223] we have shown that in quantum many-body systems at finite temperature, two-point correlations can be formally separ…
cond-mat.stat-mech2016★ 24 cited
Quantum correlations, separability and quantum coherence length in equilibrium many-body systems
Daniele Malpetti, Tommaso Roscilde
Non-locality is a fundamental trait of quantum many-body systems, both at the level of pure states, as well as at the level of mixed states. Due to non-locality, mixed states of an…