scholarly journals Quantum phase transitions in optical lattices beyond the Bogoliubov approximation

2012 ◽  
Vol 85 (6) ◽  
Author(s):  
H. Kleinert ◽  
Z. Narzikulov ◽  
Abdulla Rakhimov
Keyword(s):  
Phase Transitions ◽  
Optical Lattices ◽  
Quantum Phase Transitions ◽  
Quantum Phase ◽  
Bogoliubov Approximation

scholarly journals Bragg Scattering as a Probe of Atomic Wave Functions and Quantum Phase Transitions in Optical Lattices

2011 ◽  
Vol 107 (17) ◽  
Author(s):  
Hirokazu Miyake ◽  
Georgios A. Siviloglou ◽  
Graciana Puentes ◽  
David E. Pritchard ◽  
Wolfgang Ketterle ◽  
...  
Keyword(s):  
Phase Transitions ◽  
Optical Lattices ◽  
Quantum Phase Transitions ◽  
Wave Functions ◽  
Quantum Phase ◽  
Bragg Scattering ◽  
Atomic Wave

scholarly journals Quantum Phase Transition and Engineering in Two-Component BEC in Optical Lattices

2003 ◽  
Vol 17 (16) ◽  
pp. 847-852
Author(s):  
Yong-Shi Wu
Keyword(s):  
Phase Transitions ◽  
Quantum Coherence ◽  
Optical Lattices ◽  
Quantum Information Processing ◽  
Quantum Phase Transitions ◽  
Quantum States ◽  
Quantum Phase ◽  
Linear Superposition ◽  
Macroscopic Quantum ◽  
Two Component

In this paper we review recent progress in studying quantum phase transitions in one- and two-component Bose–Einstein condensates (BEC) in optical lattices. These phase transitions involve the emergence and disappearance of quantum coherence over the whole optical lattice and of linear superposition of macroscopic quantum states. The latter may provide new means to engineer and manipulate novel macroscopic quantum states and novel coherent atomic beams for quantum information processing, quantum computing and other purposes.

Quantum phase transitions

2004 ◽  
Vol 174 (8) ◽  
pp. 853 ◽  
Author(s):  
Sergei M. Stishov
Keyword(s):  
Phase Transitions ◽  
Quantum Phase Transitions ◽  
Quantum Phase

scholarly journals Magnetic Field- and Pressure-Induced Quantum Phase Transitions in NH4CuCl3

2005 ◽  
Vol 159 ◽  
pp. 241-245 ◽  
Author(s):  
Masashi Fujisawa ◽  
Budhy Kurniawan ◽  
Toshio Ono ◽  
Hidekazu Tanaka
Keyword(s):  
Magnetic Field ◽  
Phase Transitions ◽  
Quantum Phase Transitions ◽  
Quantum Phase
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