Phase randomization and typicality in the interference of two condensates

Paolo Facchi; Hiromichi Nakazato; Saverio Pascazio; Francesco V. Pepe; Golam Ali Sekh; Kazuya Yuasa

doi:10.1142/S0219749915600199

Phase randomization and typicality in the interference of two condensates

Paolo Facchi, Hiromichi Nakazato, Saverio Pascazio, Francesco V. Pepe, Golam Ali Sekh, Kazuya Yuasa

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

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.

Original language	English
Article number	1560019
Journal	International Journal of Quantum Information
Volume	12
Issue number	7-8
DOIs	https://doi.org/10.1142/S0219749915600199
Publication status	Published - 2014 Apr 25

Keywords

Bose-Einstein condensates
Interference
randomness
typicality

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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AU - Facchi, Paolo

AU - Nakazato, Hiromichi

AU - Pascazio, Saverio

AU - Pepe, Francesco V.

AU - Sekh, Golam Ali

AU - Yuasa, Kazuya

PY - 2014/4/25

Y1 - 2014/4/25

N2 - 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.

AB - 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.

KW - Bose-Einstein condensates

KW - Interference

KW - randomness

KW - typicality

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Phase randomization and typicality in the interference of two condensates

Abstract

Keywords

ASJC Scopus subject areas

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