Microwave-resonance-induced resistivity: Evidence of ultrahot surface-state electrons on liquid He3

Denis Konstantinov, Hanako Isshiki, Yuriy Monarkha, Hikota Akimoto, Keiya Shirahama, Kimitoshi Kono

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Measurements of the dc resistivity of surface-state electrons on liquid helium exposed to microwave radiation are reported. It is shown that the resonant microwave excitation of surface-state electrons is accompanied by a strong increase in their resistivity, which is opposite to the result expected from the previously used two-level model. We show that even a very small fraction of electrons excited to the first excited state and decaying back due to vapor-atom scattering strongly heat the electron system, causing a population of higher subbands. The calculated resistivity change is in good agreement with the observed data.

Original languageEnglish
Article number235302
JournalPhysical review letters
Volume98
Issue number23
DOIs
Publication statusPublished - 2007 Jun 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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