Berry phase in open quantum systems: a quantum Langevin equation approach

Gabriele De Chiara, A. Lozinski, Massimo Palma

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

The evolution of a two level system with a slowly varying Hamiltonian, modeled as a spin 1/2 in a slowly varying magnetic field, and interacting with a quantum environment, modeled as a bath of harmonic oscillators is analyzed using a quantum Langevin approach. This allows to easily obtain the dissipation time and the correction to the Berry phase in the case of an adiabatic cyclic evolution.
Original languageEnglish
Pages (from-to)179-183
Number of pages5
JournalEuropean Physical Journal D
Volume41
Issue number1
DOIs
Publication statusPublished - Jan 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

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