Double Point Contact in the k=3 Read-Rezayi State

Details Double Point Contact in the k=3 Read-Rezayi State Double Point Contact in the k=3 Read-Rezayi State

2007-04-25

arxiv.org/abs/0704.3291v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 3 figures

Scientific paper

We compute the dependence of the tunneling current in a double point contact in the k=3 Read-Rezayi state (which is conjectured to describe an incompressible quantum hall fluid at filling fraction nu=12/5) on voltage, separation between the two contacts, and temperature. Using the tunneling hamiltonian of cond-mat/0607431, we show that the effect of quasiholes in the bulk region between the two contacts is simply an overall constant multiplying the interference term. This is the same effect as found for the differential conductivity in cond-mat/0601242; the difference is that we do an actual edge theory calculation and compute the full current-voltage curve at weak tunneling.

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