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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 registered SciPost users): | Alessandro Fabbri · Nicolas Pavloff |
Submission information | |
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Preprint 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 |
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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.
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
Published as SciPost Phys. 4, 019 (2018)