Momentum resolved tunneling into the Pfaffian and anti-Pfaffian edges

Details Momentum resolved tunneling into the Pfaffian and anti-Pfaffian edges Momentum resolved tunneling into the Pfaffian and anti-Pfaffian edges

2009-08-13

arxiv.org/abs/0908.1970v2

Phys. Rev. B 80, 241309(R) (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

published version

Scientific paper

We calculate the electron spectral functions at the edges of the Moore-Read Pfaffian and anti-Pfaffian fractional quantum Hall states, in the clean limit. We show that their qualitative differences can be probed using momentum resolved tunneling, thus providing a method to unambiguously distinguish which one is realized in the fractional quantum Hall state observed at filling factor $\nu=5/2$. We further argue that edge reconstruction, which may be less important in the first excited Landau level (LL) than in the lowest LL, can also be detected this way if present.

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