Detection of phase randomization in a chain of Bose condensates

7th International Symposium and Young Scientists School "Modern Problems of Laser Physics"

Turlapov, A.V.^1,2

Institute of Applied Physics, Russian Academy of Sciences, ul. Ulyanova 46, Nizhniy Novgorod, Russia^1

N. I. Lobachevsky State University of Nizhni Novgorod, Nizhniy Novgorod

603950, Russia^2

关键词: Bose condensates;    In-phase;    Interference patterns;    Long chains;    Phase coherence;    Phase randomizations;    Quasi-periodic;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/793/1/012029/pdf
DOI  :  10.1088/1742-6596/793/1/012029

来源: IOP

【 摘 要 】

Interference in a long chain of Bose condensates is observed. Spatially quasi-periodic interference pattern appears even when the phases of the condensates are uncorrelated. However, the spatial fringe period depends qualitatively on whether the adjacent condensates are in phase or not. This is used for measuring the degree of phase coherence.