Finite-temperature Effect in Phase Transition to Superfluidity for Bose–Einstein Condensates in a 1-D Optical Lattice

2010 ◽  
Vol 23 (5) ◽  
pp. 689-691
Author(s):  
Xiaorui Wang ◽  
Xinzhou Tan ◽  
Lu Yang ◽  
Hongwei Xiong ◽  
Baolong Lü
Keyword(s):  
Phase Transition ◽  
Temperature Effect ◽  
Finite Temperature ◽  
Optical Lattice ◽  
Bose Einstein

scholarly journals Bose-Einstein quantum phase transition in an optical lattice model

2004 ◽  
pp. 337-349 ◽  
Author(s):  
Michael Aizenman ◽  
Elliott H. Lieb ◽  
Robert Seiringer ◽  
Jan Philip Solovej ◽  
Jakob Yngvason
Keyword(s):  
Phase Transition ◽  
Quantum Phase Transition ◽  
Lattice Model ◽  
Optical Lattice ◽  
Quantum Phase ◽  
Bose Einstein

QUANTUM CORRELATIONS OF TWO SPIN-1 PARTICLES IN THE OPTICAL LATTICE

2014 ◽  
Vol 28 (10) ◽  
pp. 1450049 ◽  
Author(s):  
JIA-DONG SHI ◽  
TAO WU ◽  
XUE-KE SONG ◽  
LIU YE
Keyword(s):  
Phase Transition ◽  
Sudden Death ◽  
Critical Point ◽  
Quantum Phase Transition ◽  
Finite Temperature ◽  
Optical Lattice ◽  
Quantum Correlations ◽  
Entanglement Sudden Death ◽  
Superfluid Phase ◽  
Dynamical Behaviors

In this paper, we investigate the dynamical behaviors of quantum correlations witnessed by geometric discord and negativity when two three-level spin-1 atoms exist in the optical lattice. The results show that the GD can detect the critical point K = J at finite temperature associated with the quantum phase transition which separates the superfluid phase from the Mott insulator phase, while the negativity cannot. In addition, the system undergoes an entanglement sudden death (ESD), but the GD always exists, meanwhile, the GD is more robust than negativity against temperature T.

scholarly journals Finite-temperature Dicke phase transition of a Bose-Einstein condensate in an optical cavity

2013 ◽  
Vol 87 (1) ◽  
Author(s):  
Yuanwei Zhang ◽  
Jinling Lian ◽  
J.-Q. Liang ◽  
Gang Chen ◽  
Chuanwei Zhang ◽  
...  
Keyword(s):  
Phase Transition ◽  
Finite Temperature ◽  
Optical Cavity ◽  
Einstein Condensate ◽  
Bose Einstein Condensate ◽  
Bose Einstein
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