Quantum dissociation of an edge of a Luttinger liquid

Details Quantum dissociation of an edge of a Luttinger liquid Quantum dissociation of an edge of a Luttinger liquid

2005-06-15

arxiv.org/abs/cond-mat/0506375v1

Phys. Rev. Lett. 95, 226103 (2005)

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.95.226103

In a Luttinger liquid phase of one-dimensional molecular matter the strength of zero-point motion can be characterized by dimensionless De Boer's number quantifying the interplay of quantum fluctuations and two-body interactions. Selecting the latter in the Morse form we show that dissociation of the Luttinger liquid is a process initiated at the system edge. The latter becomes unstable against quantum fluctuations at a value of De Boer's number which is smaller than that of the bulk instability which parallels the classical phenomenon of surface melting.

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