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Simulating Quantum Dissipation in Many-Body Systems
Luca Capriotti, Alessandro Cuccoli, Andrea Fubini +2
An efficient Path Integral Monte Carlo procedure is proposed to simulate the behavior of quantum many-body dissipative systems described within the framework of the influence funct…
Quantum thermodynamics of systems with anomalous dissipative coupling
Alessandro Cuccoli, Andrea Fubini, Valerio Tognetti +1
The standard {\em system-plus-reservoir} approach used in the study of dissipative systems can be meaningfully generalized to a dissipative coupling involving the momentum, instead…
Quantum fluctuations in one-dimensional arrays of condensates
Alessandro Cuccoli, Andrea Fubini, Valerio Tognetti +1
The effects of quantum and thermal fluctuations upon the fringe structure predicted to be observable in the momentum distribution of coupled Bose-Einstein condensates are studied b…
Phase transitions in two-dimensional anisotropic quantum magnets
A. Cuccoli, T. Roscilde, V. Tognetti +2
We consider quantum Heisenberg ferro- and antiferromagnets on the square lattice with exchange anisotropy of easy-plane or easy-axis type. The thermodynamics and the critical behav…