Probing a two-dimensional Fermi surface by tunneling

J. P. Eisenstein, T. J. Gramila, L. N. Pfeiffer, K. W. West

Research output: Contribution to journalArticlepeer-review

154 Scopus citations

Abstract

Equilibrium tunneling between parallel two-dimensional electron systems is measured as a function of in-plane magnetic field and sheet density. For equal two-dimensional densities the tunnel conductance is sharply peaked around zero field, but varies slowly at intermediate fields. Around 6 T the conductance exhibits a weaker peak followed by an abrupt drop to zero. A simple model of two displaced, but intersecting, Fermi circles explains these results.

Original languageEnglish (US)
Pages (from-to)6511-6514
Number of pages4
JournalPhysical Review B
Volume44
Issue number12
DOIs
StatePublished - 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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