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Title: Squeezing and Antibunching in Three-mode Atom-Molecule Bose-Einstein Condensates
Authors: Mukhopadhyay, Arjun
Giri, Sandip Kumar
Sinha, Tuhina
Jana, Paresh Chandra
Keywords: Squeezing, Antibunching, Nonclassicality, BEC, STIRAP, Sen-Mandal approach, MBEC.
Issue Date: 25-Dec-2017
Publisher: Vidyasagar University
Series/Report no.: Journal of Physical Sciences;JPS-v22-art13
Abstract: We report the presence of the nonclassical properties namely squeezing and antibunching in three mode Bose-Einstein Condensate (BEC) system where the atomic mode is coupled with two molecular modes. Here photo associative stimulated Raman adiabatic passage (STIRAP) prepares the molecular modes in conjugation with Bose stimulation. Both squeezing and antibunching are found for atomic mode whereas the molecular modes remain coherent. The coupled mode squeezing is observed if one of the mode is necessarily atomicandthe coupled mode antibunching is present only for atomic-excited molecular mode. No nonclassicalities are found in excited molecular-stable molecular mode. The model Hamiltonian is solved analytically by a well-established approximation technique and the solutions are plotted with rescaled time. These solutions are well supported by numerical simulations. The criteria used here to examine nonclassicalities are practically realizable.
ISSN: 2350-0352 (print)
Appears in Collections:Journal of Physical Sciences Vol.22 [2017]

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