Evidence for a New Dissipationless Effect in 2D Electronic Transport

M. A. Zudov, R. R. Du, L. N. Pfeiffer, K. W. West

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

In an ultraclean 2D electron system (2DES) subjected to crossed millimeterwave (30–150 GHz) and weak ([Formula presented]) magnetic fields, a series of apparently dissipationless states emerges as the system is detuned from cyclotron resonances. Such states are characterized by an exponentially vanishing low-temperature diagonal resistance and a classical Hall resistance. The activation energies associated with such states exceed the Landau level spacing by an order of magnitude. Our findings are likely indicative of a collective ground state previously unknown for 2DES.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical review letters
Volume90
Issue number4
DOIs
StatePublished - 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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