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ZHU, YJ; LOU, SY; ZHU, YJ , NINGBO NORMAL COLL,DEPT PHYS,NINGBO 315211,PEOPLES R CHINA.
STRUCTURE PHASE-TRANSITIONS OF THE (D+1)-DIMENSIONAL DOUBLE SINE-GORDON FIELD-THEORY
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordCanted Anti-ferromagnet Finite-temperature Soliton-solutions Statistical-mechanics Quantum Fluctuations Vacuum Polarization Nonlinear Equations Phi-4 Field Model Behavior
AbstractUsing the thermal coherent state approach, we investigate the finite temperature quantum double sine-Gordon (DsG) field theory. From the stability conditions of the vacuum states of effective potential, the exact soliton-like solution of the field equation and the resemblance between the DsG model and lambda phi(4) model, we show that there exist two types of structure phase transitions among four structures of the (D+1)-dimensional DsG model similar to the symmetry restored phase transition of lambda phi(4) model. For the first type of phase transition, the small kink-like solutions will disappear at the critical temperature while the large kink-like solutions will be changed continuously at the critical temperature. For the second type of the phase transitions, the metastable localized soliton-like solution will disappear, while the stable kink-like solution exists for all the temperatures and their exact form is also independent of the temperature being under or over the critical temperature.
1995
ISSN0253-6102
Volume23Issue:1Pages:83-92
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/11806
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZHU, YJ , NINGBO NORMAL COLL,DEPT PHYS,NINGBO 315211,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
ZHU, YJ,LOU, SY,ZHU, YJ , NINGBO NORMAL COLL,DEPT PHYS,NINGBO 315211,PEOPLES R CHINA.. STRUCTURE PHASE-TRANSITIONS OF THE (D+1)-DIMENSIONAL DOUBLE SINE-GORDON FIELD-THEORY[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1995,23(1):83-92.
APA ZHU, YJ,LOU, SY,&ZHU, YJ , NINGBO NORMAL COLL,DEPT PHYS,NINGBO 315211,PEOPLES R CHINA..(1995).STRUCTURE PHASE-TRANSITIONS OF THE (D+1)-DIMENSIONAL DOUBLE SINE-GORDON FIELD-THEORY.COMMUNICATIONS IN THEORETICAL PHYSICS,23(1),83-92.
MLA ZHU, YJ,et al."STRUCTURE PHASE-TRANSITIONS OF THE (D+1)-DIMENSIONAL DOUBLE SINE-GORDON FIELD-THEORY".COMMUNICATIONS IN THEORETICAL PHYSICS 23.1(1995):83-92.
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