Phase randomization and typicality in the interference of two condensates-Reference-Cited by-同舟云学术

Phase randomization and typicality in the interference of two condensates

Published:2014-11 Issue:07n08 Volume:12 Page:1560019
ISSN:0219-7499
Container-title:International Journal of Quantum Information
language:en
Short-container-title:Int. J. Quantum Inform.

Author:

Facchi Paolo¹²,Nakazato Hiromichi³,Pascazio Saverio¹²,Pepe Francesco V.¹²,Sekh Golam Ali²,Yuasa Kazuya³

Affiliation:

1. Dipartimento di Fisica and MECENAS, Università di Bari, I-70126 Bari, Italy

2. INFN, Sezione di Bari, I-70126 Bari, Italy

3. Department of Physics, Waseda University, Tokyo 169-8555, Japan

Abstract

Interference is observed when two independent Bose–Einstein condensates expand and overlap. This phenomenon is typical, in the sense that the overwhelming majority of wave functions of the condensates, uniformly sampled out of a suitable portion of the total Hilbert space, display interference with maximal visibility. We focus here on the phases of the condensates and their (pseudo) randomization, which naturally emerges when two-body scattering processes are considered. Relationship to typicality is discussed and analyzed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219749915600199

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