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10 papers · 2 filters
Quantum fidelity and quantum phase transitions in matrix product states
M. Cozzini, R. Ionicioiu, P. Zanardi
Matrix product states, a key ingredient of numerical algorithms widely employed in the simulation of quantum spin chains, provide an intriguing tool for quantum phase transition en…
Magnetically Induced Thermal Rectification
Giulio Casati, Carlos Mejia-Monasterio, Tomaz Prosen
We consider far from equilibrium heat transport in chaotic billiard chains with non-interacting charged particles in the presence of non-uniform transverse magnetic field. If half…
Mean-field phase diagram for Bose-Hubbard Hamiltonians with random hopping
P. Buonsante, F. Massel, V. Penna +1
The zero-temperature phase diagram for ultracold Bosons in a random 1D potential is obtained through a site-decoupling mean-field scheme performed over a Bose-Hubbard (BH) Hamilton…
Classical and Quantum Chaos and Control of Heat Flow
Giulio Casati, Carlos Mejia-Monasterio
We discuss the problem of heat conduction in classical and quantum low dimensional systems from a microscopic point of view. At the classical level we provide convincing numerical…
Equivalence among different formalisms in the Tsallis entropy framework
A. M. Scarfone, T. Wada
In a recent paper [Phys. Lett. A {\bf335}, 351 (2005)] the authors discussed the equivalence among the various probability distribution functions of a system in equilibrium in the…
Rigorous results on the local equilibrium kinetics of a protein folding model
Marco Zamparo, Alessandro Pelizzola
A local equilibrium approach for the kinetics of a simplified protein folding model, whose equilibrium thermodynamics is exactly solvable, was developed in [M. Zamparo and A. Peliz…