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American Physical Society, Physical Review Letters, 17(101), 2008

DOI: 10.1103/physrevlett.101.175701

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Adiabatic dynamics in open quantum critical many-body systems

Journal article published in 2008 by Dario Patanè, Dario Patan?, Alessandro Silva ORCID, Luigi Amico, Rosario Fazio, Santoro Ge, Giuseppe E. Santoro
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The purpose of this work is to understand the effect of an external environment on the adiabatic dynamics of a quantum critical system. By means of scaling arguments we derive a general expression for the density of excitations produced in the quench as a function of its velocity and of the temperature of the bath. We corroborate the scaling analysis by explicitly solving the case of a one-dimensional quantum Ising model coupled to an Ohmic bath. ; Comment: 4 pages, 4 figures; revised version to be published in Phys. Rev. Lett