Entanglement and localization of a two-mode Bose–Einstein condensate

A simple second quantization model is used to describe a two-mode Bose–Einstein condensate (BEC), which can be written in terms of the generators of a SU(2) algebra with three parameters. We study the behavior of the entanglement entropy and localization of the system in the parameter space of the m...

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Veröffentlicht in:	Annals of physics 2010-02, Vol.325 (2), p.325-344
Hauptverfasser:	Perez-Campos, Citlali, Gonzalez-Alonso, Jose Raul, Castanos, Octavio, Lopez-Pena, Ramon
Format:	Artikel
Sprache:	eng
Schlagworte:	ALGEBRA ANNIHILATION OPERATORS BOSE-EINSTEIN CONDENSATION CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Coherence COMPARATIVE EVALUATIONS EIGENSTATES ENERGY SPECTRA Entanglement Entanglement entropy ENTROPY Ground state GROUND STATES Husimi function Localization Mathematical models MATHEMATICAL SOLUTIONS Partitions PHASE SPACE PHASE TRANSFORMATIONS Physics Position (location) QUANTUM ENTANGLEMENT QUANTUM MECHANICS SECOND QUANTIZATION SEMICLASSICAL APPROXIMATION SPIN SU-2 GROUPS Thermodynamics Two-mode Bose–Einstein condensates VARIATIONAL METHODS WAVE FUNCTIONS
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