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Journal Article

Quenches and lattice simulators for particle creation

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons41566

Markopoulou,  Fotini
Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons4297

Sindoni,  Lorenzo
Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1212.1981
(Preprint), 2MB

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Citation

Caravelli, F., Markopoulou, F., Riera, A., & Sindoni, L. (submitted). Quenches and lattice simulators for particle creation.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-E9B1-7
Abstract
In this paper we propose a framework for simulating thermal particle production in condensed matter systems. The procedure we describe can be realized by means of a quantum quench of a parameter in the model. In order to support this claim, we study quadratic fermionic systems in one and two dimensions by means of analytical and numerical techniques. In particular, we are able to show that a class of observables associated to Unruh--de Witt detectors are very relevant for this type of setup and that exhibit approximate thermalization.