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Universal energy distribution of quasiparticles emitted in a local time-dependent quench

Smacchia, Pietro
•
Silva, Alessandro
2012
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
We study the emission of quasiparticles in the scaling limit of the 1D quantum Ising chain at the critical point perturbed by a time-dependent local transverse field. We compute exactly and for a generic time dependence the average value of the transverse magnetization, its correlation functions, as well as the statistics of both the inclusive and exclusive work. We show that, except for a cyclic perturbation, the probability distribution of the work at low energies is a power law whose exponent is universal, i.e., does not depend on the specific time-dependent protocol, but only on the final value attained by the perturbation. © 2012 American Physical Society.
DOI
10.1103/PhysRevLett.109.037202
WOS
WOS:000306466900020
Archivio
http://hdl.handle.net/20.500.11767/11588
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84863919658
https://arxiv.org/abs/1203.1815
http://cdsads.u-strasbg.fr/abs/2012PhRvL.109c7202S
Diritti
closed access
Soggetti
  • Average value

  • Correlation function

  • Critical point

  • Energy distribution

  • Ising chain

  • Low energie

  • Quasiparticle

  • Scaling limit

  • Time dependence

  • Time-dependent

  • Transverse field

  • Transverse magnetizat...

  • Settore FIS/03 - Fisi...

Web of Science© citazioni
21
Data di acquisizione
Mar 24, 2024
Visualizzazioni
6
Data di acquisizione
Apr 19, 2024
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