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Momentum correlations as signature of sonic Hawking radiation in Bose-Einstein condensates
by A. Fabbri, N. Pavloff
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Submission summary
| Authors (as Contributors): | Alessandro Fabbri · Nicolas Pavloff |
| Submission information | |
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| Arxiv Link: | https://arxiv.org/abs/1712.07842v2 (pdf) |
| Date accepted: | 2018-03-24 |
| Date submitted: | 2018-03-16 01:00 |
| Submitted by: | Pavloff, Nicolas |
| Submitted to: | SciPost Physics |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approach: | Theoretical |
Abstract
We study the two-body momentum correlation signal in a quasi one dimensional Bose-Einstein condensate in the presence of a sonic horizon. We identify the relevant correlation lines in momentum space and compute the intensity of the corresponding signal. We consider a set of different experimental procedures and identify the specific issues of each measuring process. We show that some inter-channel correlations, in particular the Hawking quantum-partner one, are particularly well adapted for witnessing quantum non-separability, being resilient to the effects of temperature and/or quantum quenches.
Published as SciPost Phys. 4, 019 (2018)
List of changes
Besides the point already discussed in the reply to the referee's comments we added some references, corrected typos and added a new subsection label for clarity