Information measures on matter-wave solitons in Bose-Einstein condensates

IF 1.1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Canadian Journal of Physics Pub Date : 2023-02-14 DOI:10.1139/cjp-2022-0221
Bijan Layek, S. Sultana, G. A. Sekh
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引用次数: 1

Abstract

We consider quasi-one-dimensional Bose-Einstein condensates and study the properties of matter-wave bright solitons within the framework information theoretic approach. In the limit of negligible trapping effect, we calculate Shannon entropy, Fisher information and R{'e}nyi entropy for different mean-field interaction, and study the interplay between group velocity dispersion and nonlinear atomic interaction. We see that information theoretic approach can clearly reveal localization and delocalization properties of matter-wave density distribution. In all the cases, entropic uncertainties are found to be satisfied.
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玻色-爱因斯坦凝聚体中物质波孤子的信息测度
我们考虑准一维玻色-爱因斯坦凝聚,并在框架信息理论的方法下研究了物质波亮孤子的性质。在可忽略捕获效应的极限下,计算了不同平均场相互作用下的Shannon熵、Fisher信息和R{'e}nyi熵,并研究了群速度色散与非线性原子相互作用之间的相互作用。我们发现,信息论方法可以清楚地揭示物质波密度分布的局域性和离域性。在所有的情况下,发现熵不确定性是满足的。
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来源期刊
Canadian Journal of Physics
Canadian Journal of Physics 物理-物理:综合
CiteScore
2.30
自引率
8.30%
发文量
65
审稿时长
1.7 months
期刊介绍: The Canadian Journal of Physics publishes research articles, rapid communications, and review articles that report significant advances in research in physics, including atomic and molecular physics; condensed matter; elementary particles and fields; nuclear physics; gases, fluid dynamics, and plasmas; electromagnetism and optics; mathematical physics; interdisciplinary, classical, and applied physics; relativity and cosmology; physics education research; statistical mechanics and thermodynamics; quantum physics and quantum computing; gravitation and string theory; biophysics; aeronomy and space physics; and astrophysics.
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