We report experiments on the energy structure of antidot-bound states. By measuring resonant tunneling linewidths as a function of temperature, we determine the coupling to the remote global gate voltage and find that the effects of interelectron interaction dominate. Within a simple model, we also determine the energy spacing of the antidot-bound states, self-consistent edge electric field, and edge excitation drift velocity. [S0163-1829(98)50512-7].
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Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, JapanDuke Univ, Dept Phys, Durham, NC 27708 USA
Yamamoto, M.
Bomze, Y.
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Duke Univ, Dept Phys, Durham, NC 27708 USADuke Univ, Dept Phys, Durham, NC 27708 USA
Bomze, Y.
Tarucha, S.
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Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
RIKEN, CEMS, Wako, Saitama 3510198, JapanDuke Univ, Dept Phys, Durham, NC 27708 USA
Tarucha, S.
Finkelstein, G.
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Duke Univ, Dept Phys, Durham, NC 27708 USADuke Univ, Dept Phys, Durham, NC 27708 USA