Mode-locking of incommensurate phase by quantum zero point energy in the Frenkel-Kontorova model

Details Mode-locking of incommensurate phase by quantum zero point energy in the Frenkel-Kontorova model Mode-locking of incommensurate phase by quantum zero point energy in the Frenkel-Kontorova model

2001-06-21

arxiv.org/abs/cond-mat/0106423v1

Europhys. Lett. 53 (2001) 342-347

Physics

Condensed Matter

Statistical Mechanics

6 pages in Europhys style, 3 eps figures

Scientific paper

10.1209/epl/i2001-00159-8

In this paper, it is shown that a configuration modulated system described by the Frenkel-Kontorova model can be locked at an incommensurate phase when the quantum zero point energy is taken into account. It is also found that the specific heat for an incommensurate phase shows different parameter-dependence in sliding phase and pinning phase. These findings provide a possible way for experimentalists to verify the phase transition by breaking of analyticity.

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