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Quasi-adiabatic quantum Monte Carlo algorithm for quantum evolution in imaginary time
Cheng-Wei Liu, Anatoli Polkovnikov, Anders W. Sandvik
We propose a quantum Monte Carlo (QMC) algorithm for non-equilibrium dynamics in a system with a parameter varying as a function of time. The method is based on successive applicat…
Universal Rephasing Dynamics after a Quantum Quench via Sudden Coupling of Two Initially Independent Condensates
Emanuele G. Dalla Torre, Eugene Demler, Anatoli Polkovnikov
We consider a quantum quench in which two initially independent condensates are suddenly coupled, and study the subsequent "rephasing" dynamics. For weak couplings, the time-evolut…
Many-body energy localization transition in periodically driven systems
Luca D'Alessio, Anatoli Polkovnikov
According to the second law of thermodynamics the total entropy of a system is increased during almost any dynamical process. The positivity of the specific heat implies that the e…
Efficiency bounds for nonequilibrium heat engines
Pankaj Mehta, Anatoli Polkovnikov
We analyze the efficiency of thermal engines (either quantum or classical) working with a single heat reservoir like atmosphere. The engine first gets an energy intake, which can b…
Dynamical Quantum Phase Transitions in the Transverse Field Ising Model
Markus Heyl, Anatoli Polkovnikov, Stefan Kehrein
A phase transition indicates a sudden change in the properties of a large system. For temperature-driven phase transitions this is related to non-analytic behavior of the free ener…
Weak and strong typicality in quantum systems
Lea F. Santos, Anatoli Polkovnikov, Marcos Rigol
We study the properties of mixed states obtained from eigenstates of many-body lattice Hamiltonians after tracing out part of the lattice. Two scenarios emerge for generic systems:…