Phase Transitions in an External Field

1990 ◽  
pp. 215-249
Author(s):  
Yu. A. Izyumov ◽  
V. N. Syromyatnikov
Keyword(s):  
Phase Transitions ◽  
External Field

TRICRITICAL POINT IN ORDER-DISORDER PHASE TRANSITIONS FOR NEMATICS

1992 ◽  
Vol 06 (14) ◽  
pp. 2521-2530 ◽  
Author(s):  
G. BARBERO ◽  
L. R. EVANGELISTA ◽  
A. P. KREKHOV
Keyword(s):  
Phase Transition ◽  
Phase Transitions ◽  
Liquid Crystals ◽  
External Field ◽  
Tricritical Point ◽  
Nematic Liquid Crystals ◽  
Complete Analysis ◽  
Disorder Phase Transition ◽  
Anchoring Strength ◽  
Strong Anchoring

A complete analysis of the order-disorder phase transition in nematic liquid crystals induced by an external field is presented. The case of nearly compensated nematics in weak anchoring situation is discussed. The investigation shows that the parameter controlling the order of the phase transition is a decreasing function of the anchoring strength. The important limiting cases of very weak and very strong anchoring are considered too.

Schmidt gap and quantum phase transitions in the XXZ model under external field on the Bethe lattice

2013 ◽  
Vol 101 (5) ◽  
pp. 57001 ◽  
Author(s):  
Guang-Hua Liu ◽  
Wei Li ◽  
Wen-Long You ◽  
Gang Su ◽  
Guang-Shan Tian
Keyword(s):  
Phase Transitions ◽  
External Field ◽  
Quantum Phase Transitions ◽  
Bethe Lattice ◽  
Quantum Phase ◽  
Xxz Model
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