Second Virial Coefficient of Anyons without Hard Core

Details Second Virial Coefficient of Anyons without Hard Core Second Virial Coefficient of Anyons without Hard Core

1997-06-26

arxiv.org/abs/hep-th/9706184v2

Phys.Lett. B431 (1998) 374-379

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, RevTeX, One figure. Minor changes. A few references added

Scientific paper

10.1016/S0370-2693(98)00590-5

We calculate the second virial coefficient of anyons whose wave function does not vanish at coincidence points. This kind of anyons appear naturally when one generalizes the hard-core boundary condition according to self-adjoint extension method in quantum mechanics, and also when anyons are treated field theoretically by applying renormalization procedure to nonrelativistic Chern-Simons field theory. For the anyons which do not satisfy hard-core boundary condition, it is argued that the other scale-invariant limit is more relevant in high-temperature limit where virial expansion is useful. Furthermore, the cusp existing at the bosonic point for hard-core anyons disappears in all the other cases; instead it is shown that a new cusp is generated at the fermionic point. A physical explanation is given.

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