- Abstract:
-
Using two-photon Bragg spectroscopy, we study the energy of particlelike excitations in a strongly interacting homogeneous Bose-Einstein condensate, and observe dramatic deviations from Bogoliubov theory. In particular, at large scattering length a the shift of the excitation resonance from the free-particle energy changes sign from positive to negative. For an excitation with wave number q, this sign change occurs at a≈4/(πq), in agreement with the Feynman energy relation and the static stru...
Expand abstract - Publication status:
- Published
- Peer review status:
- Peer reviewed
- Version:
- Accepted manuscript
- Files:
-
-
(pdf, 827.8kb)
-
- Publisher copy:
- 10.1103/physrevlett.118.210401
-
Version unsuitable
-
We have not obtained a suitable full-text for a given research output. See this page for more information.
-
Recently completed
-
Sometimes content is held in ORA but is unavailable for a fixed period of time to comply with the policies and wishes of rights holders.
-
Permissions
-
All content made available in ORA should comply with relevant rights, such as copyright. See this page for more information.
-
Clearance
-
Some thesis volumes scanned as part of the digitisation scheme funded by Dr Leonard Polonsky are currently unavailable due to sensitive material or uncleared third-party copyright content. We are attempting to contact authors whose theses are affected.
- Publisher:
- American Physical Society Publisher's website
- Journal:
- Physical Review Letters Journal website
- Volume:
- 118
- Issue:
- 21
- Pages:
- 210401
- Publication date:
- 2017-05-23
- Acceptance date:
- 2017-04-25
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Pubs id:
-
pubs:700128
- URN:
-
uri:f9cd31cf-481e-433e-b96e-154eceba11dc
- UUID:
-
uuid:f9cd31cf-481e-433e-b96e-154eceba11dc
- Local pid:
- pubs:700128
- Language:
- English
- Keywords:
- Copyright holder:
- American Physical Society
- Copyright date:
- 2017
- Notes:
- © 2017 American Physical Society. This is the accepted manuscript version of the article. The final version is available online from American Physical Society at: https://doi.org/10.1103/PhysRevLett.118.210401
Journal article
Quasiparticle energy in a strongly interacting homogeneous Bose-Einstein condensate
Actions
Access Document
Why is the content I wish to access not available via ORA?
Bibliographic data (the information relating to research outputs) and full-text items (e.g. articles, theses, reports, etc.) arrive in ORA from several different sources. Unfortunately we are not able to make available the full-text for every research output.
Please contact the ORA team (
) if you have queries regarding unavailable content OR if you are aware of a full-text copy we can make available.
) if you have queries regarding unavailable content OR if you are aware of a full-text copy we can make available.
Content may be unavailable for the following four reasons
Alternative access to the full-text
You may be able to access the full-text directly from the publisher's website using the 'Publisher Copy' link in the 'Links & Downloads' box from a research output's ORA record page. This method may require an institutional or individual subscription to the journal/resource.
Authors
Funding
Royal Society
More from this funder
Air Force Office of Scientific Research
More from this funder
Army Research Office
More from this funder
Expand funders...
Bibliographic Details
Item Description
Terms of use
Metrics
Altmetrics
Dimensions
If you are the owner of this record, you can report an update to it here: Report update to this record