Simple variational approach to the quantum Frenkel-Kontorova model

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics

Volumn 63, Issue 1, 2001, Pages

  Ho, Choon Lin ^a   Chou, Chung I ^b  

^a HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION KEK   (Japan)

^b INSTITUTE OF PHYSICS   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 18644372629     PISSN: 1063651X     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.63.016203     Document Type: Article

References (23)

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22. This is in accord with Ref. 8 and different from Ref. 7, which set (Formula presented) (Formula presented) It was mentioned in Ref. 8 that their QMC results for these two boundary conditions were slightly different.
23. B. Hu, in Proceedings of the 4th Drexel Conference on Quantum Nonintegrability, edited by D.H. Feng and B.L. Hu (Drexel University, Philadelphia, 1997). In a brief section of this paper a Hamiltonian very similar to our Eq. (4) (but with a fixed (Formula presented) was presented based on squeezed state approach.