- Abstract:
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We present a general argument showing that the temperature as well as other thermodynamical state variables can qualify as entanglement witnesses (EWs) for spatial entanglement. This holds for a variety of systems and we exemplify our ideas using a simple free non-interacting bosonic gas. We find that entanglement can exist at arbitrarily high temperatures, provided that we can probe smaller and smaller regions of space. We then discuss the relationship between the occurrence of Bose-Einstein...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Publisher's version
- Files:
-
-
(pdf, 116.3kb)
-
- Publisher copy:
- 10.1088/1367-2630/8/8/140
-
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- Funding agency for:
- Vedral, V
- Publisher:
- IOP Publishing Publisher's website
- Journal:
- New Journal of Physics Journal website
- Volume:
- 8
- Issue:
- 8
- Pages:
- Article: 140
- Publication date:
- 2006-08-05
- DOI:
- EISSN:
-
1367-2630
- ISSN:
-
1367-2630
- URN:
-
uuid:9bd7679c-5756-423e-a962-8e32559fb154
- Source identifiers:
-
157725
- Local pid:
- pubs:157725
- Language:
- English
- Copyright holder:
- IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
- Copyright date:
- 2006
- Notes:
- Copyright IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Authors, their institutions and third parties all have the same rights to reuse articles published in New Journal of Physics in accordance with the Creative Commons Attribution 3.0 Unported (CC-BY) license. This allows the articles to be shared, adapted and made commercial use of subject to appropriate attribution.
Journal article
Detecting entanglement with a thermometer
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+ Engineering and Physical Sciences Research Council
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