Phase separation in a mixture of a Bose-Einstein condensate and a two-component Fermi gas as a probe of Fermi superfluidity

被引:11
作者
Bhongale, S. G. [1 ]
Pu, H.
机构
[1] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA
来源
PHYSICAL REVIEW A | 2008年 / 78卷 / 06期
关键词
Bose-Einstein condensation; fermion systems; phase separation; superfluid helium-3; superfluid helium-4; superfluidity;
D O I
10.1103/PhysRevA.78.061606
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We study the phase diagram of the mixture of a Bose-Einstein condensate and a two-component Fermi gas. In particular, we identify the regime where the homogeneous system becomes unstable against phase separation. We show that, under proper conditions, the phase-separation phenomenon can be exploited as a robust probe of "local" Fermi superfluidity.
引用
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页数:4
相关论文
共 16 条
[1]   One-dimensional superfluid Bose-Fermi mixture: Mixing, demixing, and bright solitons [J].
Adhikari, Sadhan K. ;
Salasnich, Luca .
PHYSICAL REVIEW A, 2007, 76 (02)
[2]   SURFACE CONDUCTANCE AND THE FIELD EFFECT ON GERMANIUM [J].
BARDEEN, J ;
COOVERT, RE ;
MORRISON, SR ;
SCHRIEFFER, JR ;
SUN, R .
PHYSICAL REVIEW, 1956, 104 (01) :47-51
[3]   Phase separated BEC for high-sensitivity force measurement [J].
Bhongale, S. G. ;
Timmermans, Eddy .
PHYSICAL REVIEW LETTERS, 2008, 100 (18)
[4]   Observation of the pairing gap in a strongly interacting Fermi gas [J].
Chin, C ;
Bartenstein, M ;
Altmeyer, A ;
Riedl, S ;
Jochim, S ;
Denschlag, JH ;
Grimm, R .
SCIENCE, 2004, 305 (5687) :1128-1130
[5]   SUPERCONDUCTIVITY IN STRONG SPIN-EXCHANGE FIELD [J].
FULDE, P ;
FERRELL, RA .
PHYSICAL REVIEW, 1964, 135 (3A) :A550-+
[6]   Acoustic attenuation probe for fermion superfluidity in ultracold-atom gases [J].
Gaudio, Sergio ;
Mihaila, Bogdan ;
Blagoev, Krastan B. ;
Bedell, Kevin S. ;
Timmermans, Eddy .
PHYSICAL REVIEW LETTERS, 2007, 98 (11)
[7]   Probing pair-correlated fermionic atoms through correlations in atom shot noise [J].
Greiner, M ;
Regal, CA ;
Stewart, JT ;
Jin, DS .
PHYSICAL REVIEW LETTERS, 2005, 94 (11)
[8]   Resonance superfluidity in a quantum degenerate Fermi gas [J].
Holland, M ;
Kokkelmans, SJJMF ;
Chiofalo, ML ;
Walser, R .
PHYSICAL REVIEW LETTERS, 2001, 87 (12) :1-120406
[9]   Cold atoms close to surfaces:: Measuring magnetic field roughness and disorder potentials [J].
Krüger, P ;
Wildermuth, S ;
Hofferberth, S ;
Andersson, LM ;
Groth, S ;
Bar-Joseph, I ;
Schmiedmayer, J .
CONFERENCE ON ATOMS AND MOLECULES NEAR SURFACES, 2005, 19 :56-65
[10]  
LARKIN AI, 1965, SOV PHYS JETP-USSR, V20, P762