Hall Voltage Fluctuations as a Diagnostic of Internal Magnetic Field Fluctuations in High Temperature Superconductors and the Half-filled Landau Level

Abstract

Fluctuations of the Hall voltage reveal information about long wavelength magnetic field fluctuations. If gauge theories of strongly correlated electrons are correct, such fluctuations are particularly large in the half-filled Landau level and in high $T_c$ superconductors. We present estimates for the magnitude, system size and frequency dependence of these fluctuations. The frequency dependence contains information about instantons in the gauge field.

4 pages, LATEX file and 1 PostScript figure

References in corpus (3)

• On the low energy properies of fermions with singular interactions
• Theory of the Spin Gap in High Temperature Superconductors
• Instantons and the spectral function of electrons in the half-filled Landau level

Cited by in corpus (3)

• Berry Phase Theory of Anomalous Hall Effect: Application to Colossal Magnetoresistance Manganites
• Charge Transport in Manganites: Hopping Conduction, the Anomalous Hall Effect and Universal Scaling
• Shot noise in the half-filled Landau level