Journal article
Spatial entanglement from off-diagonal long-range order in a Bose-Einstein condensate
- Abstract:
- We investigate spatial entanglement-particle-number entanglement between regions of space-in an ideal bosonic gas. We quantify the amount of spatial entanglement around the transition temperature for condensation (TC) by probing the gas with two localized two-level systems. We show that spatial entanglement in the gas is directly related to filling of the ground-state energy level and therefore to the off-diagonal long-range order of the system and the onset of condensation. © 2007 The American Physical Society.
- Publication status:
- Published
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- Publisher copy:
- 10.1103/PhysRevA.76.053605
Authors
- Journal:
- PHYSICAL REVIEW A More from this journal
- Volume:
- 76
- Issue:
- 5
- Publication date:
- 2007-11-01
- DOI:
- EISSN:
-
1094-1622
- ISSN:
-
1050-2947
- Language:
-
English
- Pubs id:
-
pubs:158026
- UUID:
-
uuid:05cffeb3-018e-4c06-819c-8594ad4578a8
- Local pid:
-
pubs:158026
- Source identifiers:
-
158026
- Deposit date:
-
2012-12-19
- ARK identifier:
Terms of use
- Copyright date:
- 2007
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