Internal chaos in an open quantum system: From Ericson to conductance fluctuations

Giuseppe Celardo, S Sorathia, Fm Izrailev, Vg Zelevinsky, Gp Berman

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

16 Citazioni (Scopus)

Abstract

The model of an open Fermi system is used for studying the interplay of intrinsic chaos and irreversible decay into open continuum channels. Two versions of the model are characterized by one-body chaos coming from disorder or by many-body chaos due to the inter-particle interactions. The continuum coupling is described by the effective non-Hermitian Hamiltonian. Our main interest is in specific correlations of cross-sections for various channels in dependence on the coupling strength and degree of internal chaos. The results are generic and refer to common features of various mesoscopic objects including conductance fluctuations and resonance nuclear reactions.
Lingua originaleEnglish
pagine (da-a)27003-27009
Numero di pagine7
RivistaEurophysics Letters
Volume2009
Stato di pubblicazionePubblicato - 2009

Keywords

  • open quantum systems
  • quantum transport
  • random matrix theory

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