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Dynamical Casimir effect in superradiant light scattering by Bose–Einstein condensate in an optomechanical cavity |
| Sonam Mahajana, Neha Aggarwala b, Aranya B Bhattacherjeeb c, ManMohana |
a Department of Physics and Astrophysics, University of Delhi, Delhi-110007, India;
b Department of Physics, ARSD College, University of Delhi (South Campus), New Delhi-110021, India;
c School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India |
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Abstract We investigate the effects of dynamical Casimir effect in superradiant light scattering by Bose–Einstein condensate in an optomechanical cavity. The system is studied using both classical and quantized mirror motions. The cavity frequency is harmonically modulated in time for both the cases. The main quantity of interest is the number of intracavity scattered photons. The system has been investigated under the weak and strong modulations. It has been observed that the amplitude of the scattered photons is more for the classical mirror motion than the quantized mirror motion. Also, initially, the amplitude of scattered photons is high for lower modulation amplitude than higher modulation amplitude. We also found that the behavior of the plots are similar under strong and weak modulations for the quantized mirror motion.
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Received: 21 June 2013
Revised: 19 August 2013
Accepted manuscript online:
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PACS:
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03.75.Kk
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(Dynamic properties of condensates; collective and hydrodynamic excitations, superfluid flow)
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03.75.Lm
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(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
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03.65.Ta
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(Foundations of quantum mechanics; measurement theory)
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03.75.-b
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Corresponding Authors:
Sonam Mahajan
E-mail: sonammahajan1987@gmail.com
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| About author: 03.75.Kk; 03.75.Lm; 03.65.Ta; 03.75.-b |
Cite this article:
Sonam Mahajan, Neha Aggarwal, Aranya B Bhattacherjee, ManMohan Dynamical Casimir effect in superradiant light scattering by Bose–Einstein condensate in an optomechanical cavity 2014 Chin. Phys. B 23 020315
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