scholarly journals Microscopic Dynamics in a Strongly Interacting Bose-Einstein Condensate

2002 ◽  
Vol 89 (1) ◽  
Author(s):  
N. R. Claussen ◽  
E. A. Donley ◽  
S. T. Thompson ◽  
C. E. Wieman
Keyword(s):  
Einstein Condensate ◽  
Bose Einstein Condensate ◽  
Strongly Interacting ◽  
Bose Einstein ◽  
Microscopic Dynamics

Josephson dynamics of strongly interacting superfluid Fermi gases in double-well potentials

2020 ◽  
pp. 2150002
Author(s):  
Ji Li ◽  
Wen Wen ◽  
Yuke Zhang ◽  
Xiaodong Ma
Keyword(s):  
Einstein Condensate ◽  
Interaction Terms ◽  
Bose Einstein Condensate ◽  
Strongly Interacting ◽  
Fermi Superfluids ◽  
The Cross ◽  
Bose Einstein ◽  
Double Well Potential ◽  
Zero Phase ◽  
Superfluid Fermi

In this work, we study the nonlinear Josephson dynamics of Fermi superfluids in the crossover from Bardeen–Cooper–Schrieffer (BCS) superfluid to a molecular Bose-Einstein condensate (BEC) in a double-well potential. Under a two-mode approximation, we derive a full two-mode (fTM) model including all interaction energy terms. By solving the fTM model numerically, we study the zero-phase and [Formula: see text]-phase modes of Josephson oscillations in the BCS–BEC crossover. We find that in the strongly interacting regime the cross interaction terms not appearing in the two-mode model cannot be easily ignored. The cross interactions can alter the behaviors of Josephson dynamics substantially, and interestingly the alterations for the zero-phase and [Formula: see text]-phase modes are just opposite.

scholarly journals Quasiparticle Energy in a Strongly Interacting Homogeneous Bose-Einstein Condensate

2017 ◽  
Vol 118 (21) ◽  
Author(s):  
Raphael Lopes ◽  
Christoph Eigen ◽  
Adam Barker ◽  
Konrad G. H. Viebahn ◽  
Martin Robert-de-Saint-Vincent ◽  
...  
Keyword(s):  
Einstein Condensate ◽  
Bose Einstein Condensate ◽  
Strongly Interacting ◽  
Quasiparticle Energy ◽  
Bose Einstein

Dynamical mean-field study of strongly interacting Bose–Einstein condensate

2004 ◽  
Vol 325 (5-6) ◽  
pp. 420-425 ◽  
Author(s):  
Victo S. Filho ◽  
Lauro Tomio ◽  
A. Gammal ◽  
T. Frederico
Keyword(s):  
Field Study ◽  
Mean Field ◽  
Einstein Condensate ◽  
Bose Einstein Condensate ◽  
Strongly Interacting ◽  
Bose Einstein
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