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Two distinguishable impurities in BEC: squeezing and entanglement of two Bose polarons
by C. Charalambous, M.A. Garcia-March, A. Lampo, M. Mehboudi , M. Lewenstein
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Submission summary
| Authors (as registered SciPost users): | Christos Charalambous |
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| Preprint Link: | https://arxiv.org/abs/1805.00709 (pdf) |
| Date accepted: | 2019-01-02 |
| Date submitted: | 2018-11-05 01:00 |
| Submitted by: | Charalambous, Christos |
| Submitted to: | SciPost Physics |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approach: | Theoretical |
Abstract
We study entanglement and squeezing of two uncoupled impurities immersed in a Bose-Einstein condensate. We treat them as two quantum Brownian particles interacting with a bath composed of the Bogoliubov modes of the condensate. The Langevin-like quantum stochastic equations derived exhibit memory effects. We study two scenarios: (i) In the absence of an external potential, we observe sudden death of entanglement; (ii) In the presence of an external harmonic potential, entanglement survives even at the asymptotic time limit. Our study considers experimentally tunable parameters.
Published as SciPost Phys. 6, 010 (2019)
Submission & Refereeing History
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In their replies to both referee reports, the authors have addressed all criticism. They have amended their manuscript accordingly. As I mentioned in my first report, I recommend publication of this manuscript in SciPost in its present form and without any further delay. I apologize for my late response to the reviewers reply.