Tunneling Between a Pair of Parallel Hall Droplets

Details Tunneling Between a Pair of Parallel Hall Droplets Tunneling Between a Pair of Parallel Hall Droplets

1994-04-07

arxiv.org/abs/cond-mat/9404014v1

Physics

Condensed Matter

21 pages and 8 figures (included), RevTeX, preprint no. UCSDCU2

Scientific paper

10.1103/PhysRevB.50.7626

In this paper, we examine interwell tunneling between a pair of fractional quantum Hall liquids in a double quantum well system in a tilted magnetic field. Using a variational Monte Carlo method, we calculate moments of the intra-Landau level tunneling spectrum as a function of in-plane field component $B_{\parallel}$ and interwell spacing $d$. This is done for variety of incompressible states including a pair of $\nu=1/3$ layers ([330]), pair of $\nu=1/5$ layers ([550]), and Halperin's [331] state. The results suggest a technique to extract interwell correlations from the tunneling spectral data.

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