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Vacuum induced spin-1/2 Berry's phase

  • Authors: FuentesGuridi, I; Carollo, A; Bose, S;Vedral, V
  • Publication year: 2002
  • Type: Articolo in rivista (Articolo in rivista)
  • OA Link:


We calculate the Berry phase of a spin-1/2 particle in a magnetic field considering the quantum nature of the field. The phase reduces to the standard Berry phase in the semiclassical limit and the eigenstate of the particle acquires a phase in the vacuum. We also show how to generate a vacuum induced Berry phase considering two quantized modes of the field which has an interesting physical interpretation