Quantum threshold for optomechanical self-structuring in a Bose-Einstein condensate

G. R. M. Robb, E. Tesio, G.-L. Oppo, W. J. Firth, T. Ackemann, R. Bonifacio

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Theoretical analysis of the optomechanics of degenerate bosonic atoms with a single feedback mirror shows that self-structuring occurs only above an input threshold that is quantum mechanical in origin. This threshold also implies a lower limit to the size (period) of patterns that can be produced in a condensate for a given pump intensity. These thresholds are interpreted as due to the quantum rigidity of Bose-Einstein condensates, which has no classical counterpart. Above the threshold, the condensate self-organizes into an ordered supersolid state with a spatial period self-selected by optical diffraction.
LanguageEnglish
Article number173903
Number of pages5
JournalPhysical Review Letters
Volume114
Issue number17
DOIs
Publication statusPublished - 1 May 2015

Fingerprint

Bose-Einstein condensates
thresholds
condensates
rigidity
pumps
mirrors
diffraction
atoms

Keywords

  • optomechanical self-organization
  • optomechanical nonlinearities
  • Bose-Einstein condensate

Cite this

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Quantum threshold for optomechanical self-structuring in a Bose-Einstein condensate. / Robb, G. R. M.; Tesio, E.; Oppo, G.-L.; Firth, W. J.; Ackemann, T.; Bonifacio, R.

In: Physical Review Letters, Vol. 114, No. 17, 173903, 01.05.2015.

Research output: Contribution to journalArticle

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T1 - Quantum threshold for optomechanical self-structuring in a Bose-Einstein condensate

AU - Robb, G. R. M.

AU - Tesio, E.

AU - Oppo, G.-L.

AU - Firth, W. J.

AU - Ackemann, T.

AU - Bonifacio, R.

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AB - Theoretical analysis of the optomechanics of degenerate bosonic atoms with a single feedback mirror shows that self-structuring occurs only above an input threshold that is quantum mechanical in origin. This threshold also implies a lower limit to the size (period) of patterns that can be produced in a condensate for a given pump intensity. These thresholds are interpreted as due to the quantum rigidity of Bose-Einstein condensates, which has no classical counterpart. Above the threshold, the condensate self-organizes into an ordered supersolid state with a spatial period self-selected by optical diffraction.

KW - optomechanical self-organization

KW - optomechanical nonlinearities

KW - Bose-Einstein condensate

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