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Open Quantum Systems Decoherence
Quantum phase diffusion of a Bose system: beyond the Hartree-Fock-Bogoliubov approximation
arXiv
Authors: Ferdinando de Pasquale, Gian Luca Giorgi
Year
2007
Paper ID
49487
Status
Preprint
Abstract Read
~2 min
Abstract Words
44
Citations
N/A
Abstract
A diffusion process is usually assumed for the phase of the order parameter of a Bose system of finite size. The theoretical basis is limited to the so called Bogoliubov approximation. We show that a suitable generalization of the Hartree-Fock-Bogoliubov approach recovers phase diffusion.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2007 reference point for readers tracking recent quantum research.
- A diffusion process is usually assumed for the phase of the order parameter of a Bose system of finite size.
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