Initial correlations effects on decoherence at zero temperature

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5 Citazioni (Scopus)

Abstract

We consider a free charged particle interacting with an electromagnetic bath at zero temperature. The dipole approximation is used to treat the bath wavelengths larger than the width of the particle wave packet. The effect of these wavelengths is then described by a linear Hamiltonian whose form is analogous to the phenomenological Hamiltonians previously adopted to describe the free particle-bath interaction. We study how the time dependence of decoherence evolution is related with initial particle-bath correlations. We show that decoherence is related to the time dependent dressing of the particle. Moreover, because decoherence induced by the T ≤ 0 bath is very rapid, we make some considerations on the conditions under which interference may be experimentally observed.
Lingua originaleEnglish
pagine (da-a)10203-10216
Numero di pagine14
RivistaJOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL
Volume38
Stato di pubblicazionePublished - 2005

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)

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