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Title: Pairing-gap, pseudogap, and no-gap phases in the radio-frequency spectra of a trapped unitary {sup 6}Li gas

Abstract

Radio frequency spectra of a trapped unitary {sup 6}Li gas are reported and analyzed in terms of a theoretical approach that includes both final-state and trap effects. The different strength of the final-state interaction across the trap is crucial for evidencing two main peaks associated with two distinct phases residing in different trap regions. These are the pairing-gap and pseudo-gap phases below the critical temperature T{sub c}, which evolve into the pseudo-gap and no-gap phases above T{sub c}. In this way, a long standing puzzle about the interpretation of rf spectra for {sup 6}Li in a trap is solved.

Authors:
; ;  [1]; ; ;  [2];  [3]; ; ; ;  [2]
  1. Dipartimento di Fisica, Universita di Camerino, I-62032 Camerino (Italy)
  2. Institut fuer Experimentalphysik und Zentrum fuer Quantenphysik, Universitaet Innsbruck, A-6020 Innsbruck (Austria)
  3. (Austria)
Publication Date:
OSTI Identifier:
22038573
Resource Type:
Journal Article
Journal Name:
Physical Review. A
Additional Journal Information:
Journal Volume: 84; Journal Issue: 1; Other Information: (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1050-2947
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; CRITICAL TEMPERATURE; FINAL-STATE INTERACTIONS; LITHIUM 6; SPECTRA; TRAPS

Citation Formats

Pieri, P., Perali, A., Strinati, G. C., Riedl, S., Altmeyer, A., Grimm, R., Institut fuer Quantenoptik und Quanteninformation, Oesterreichische Akademie der Wissenschaften, A-6020 Innsbruck, Wright, M. J., Kohstall, C., Sanchez Guajardo, E. R., and Hecker Denschlag, J. Pairing-gap, pseudogap, and no-gap phases in the radio-frequency spectra of a trapped unitary {sup 6}Li gas. United States: N. p., 2011. Web. doi:10.1103/PHYSREVA.84.011608.
Pieri, P., Perali, A., Strinati, G. C., Riedl, S., Altmeyer, A., Grimm, R., Institut fuer Quantenoptik und Quanteninformation, Oesterreichische Akademie der Wissenschaften, A-6020 Innsbruck, Wright, M. J., Kohstall, C., Sanchez Guajardo, E. R., & Hecker Denschlag, J. Pairing-gap, pseudogap, and no-gap phases in the radio-frequency spectra of a trapped unitary {sup 6}Li gas. United States. doi:10.1103/PHYSREVA.84.011608.
Pieri, P., Perali, A., Strinati, G. C., Riedl, S., Altmeyer, A., Grimm, R., Institut fuer Quantenoptik und Quanteninformation, Oesterreichische Akademie der Wissenschaften, A-6020 Innsbruck, Wright, M. J., Kohstall, C., Sanchez Guajardo, E. R., and Hecker Denschlag, J. Fri . "Pairing-gap, pseudogap, and no-gap phases in the radio-frequency spectra of a trapped unitary {sup 6}Li gas". United States. doi:10.1103/PHYSREVA.84.011608.
@article{osti_22038573,
title = {Pairing-gap, pseudogap, and no-gap phases in the radio-frequency spectra of a trapped unitary {sup 6}Li gas},
author = {Pieri, P. and Perali, A. and Strinati, G. C. and Riedl, S. and Altmeyer, A. and Grimm, R. and Institut fuer Quantenoptik und Quanteninformation, Oesterreichische Akademie der Wissenschaften, A-6020 Innsbruck and Wright, M. J. and Kohstall, C. and Sanchez Guajardo, E. R. and Hecker Denschlag, J.},
abstractNote = {Radio frequency spectra of a trapped unitary {sup 6}Li gas are reported and analyzed in terms of a theoretical approach that includes both final-state and trap effects. The different strength of the final-state interaction across the trap is crucial for evidencing two main peaks associated with two distinct phases residing in different trap regions. These are the pairing-gap and pseudo-gap phases below the critical temperature T{sub c}, which evolve into the pseudo-gap and no-gap phases above T{sub c}. In this way, a long standing puzzle about the interpretation of rf spectra for {sup 6}Li in a trap is solved.},
doi = {10.1103/PHYSREVA.84.011608},
journal = {Physical Review. A},
issn = {1050-2947},
number = 1,
volume = 84,
place = {United States},
year = {2011},
month = {7}
}