Nonlinear quantum magnetotransport in a strongly correlated two-dimensional electron liquid

Yu P. Monarkha, Keiya Shirahama, K. Kono, F. M. Peeters

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Experimental and theoretical studies of nonlinear quantum magnetotransport of a nondegenerate two-dimensional electron liquid formed on the surface of liquid helium are reported. Measurements of the magnetoconductivity as a function of the input voltage are done using the edge magnetoplasmon (EMP) damping method. A nonlinear theory based on the many-electron self-consistent Born approximation (SCBA) is introduced to explain the data. It is shown that the nonlinear decrease of σxx observed at strong magnetic fields (B ≈ 3 T) is due to the cold quantum nonlinear effect caused by the peaked structure of the electron density of states. At weak fields (β≤1 T), the heating effect competes with this effect and become of the same magnitude. The magnetic field dependence of the nonlinear narrowing of the EMP damping is in good agreement with the nonlinear many-electron SCBA.

Original languageEnglish
Pages (from-to)3762-3776
Number of pages15
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume58
Issue number7
Publication statusPublished - 1998 Aug 15
Externally publishedYes

Fingerprint

Galvanomagnetic effects
Born approximation
Electrons
Liquids
liquids
Damping
damping
Magnetic fields
Helium
Electronic density of states
electrons
magnetic fields
liquid helium
Heating
heating
Electric potential
electric potential

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Nonlinear quantum magnetotransport in a strongly correlated two-dimensional electron liquid. / Monarkha, Yu P.; Shirahama, Keiya; Kono, K.; Peeters, F. M.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 58, No. 7, 15.08.1998, p. 3762-3776.

Research output: Contribution to journalArticle

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