TY  - JOUR
AU  - Fabbri, A.
AU  - Pavloff, N.
PY  - 2018
DA  - 2018//
TI  - Momentum correlations as signature of sonic Hawking radiation in Bose-Einstein condensates
T2  - SciPost Phys.
JO  - Scipost Physics
SP  - 019
EP  - 45pp
VL  - 4
IS  - 4
PB  - Scipost Foundation
AB  - 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.
SN  - 2542-4653
UR  - http://arxiv.org/abs/1712.07842
UR  - https://doi.org/10.21468/SciPostPhys.4.4.019
DO  - 10.21468/SciPostPhys.4.4.019
LA  - English
N1  - WOS:000432739900001
ID  - Fabbri+Pavloff2018
ER  -