Possibility of p-wave pairing of composite fermions at $ν=1/2$

Details Possibility of p-wave pairing of composite fermions at $ν=1/2$ Possibility of p-wave pairing of composite fermions at $ν=1/2$

1998-06-23

arxiv.org/abs/cond-mat/9806271v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, 3 eps figures included

Scientific paper

10.1103/PhysRevB.58.R10167

We find that for the pure Coulomb repulsion the composite Fermi sea at $\nu=1/2$ is on the verge of an instability to triplet pairing of composite fermions. It is argued that a transition into the paired state, described by a Pfaffian wave function, may be induced if the short-range part of the interaction is softened by increasing the thickness of the two-dimensional electron system.

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