Quantum transport in $\nu =2/3$ spin-singlet quantum Hall edges

Abstract

Tunneling conductance $G(T)$ through a constricted point contact is studied for the $\nu =2/3$ spin-singlet edges. Including spin-flip tunneling, Zeeman splitting and random magnetic impurities, we discuss the various crossovers of $G(T)$ as a function of the temperature $T$. The behavior of $G(T)$ is found to be quite different for spin-singlet and spin-polarized cases, and hence $G(T)$ is expected to serve as an experimental probe for the polarized-unpolarized transition at $\nu =2/3$.

5 pages (REVTeX)

References in corpus (1)

• Effects of long-range Coulomb interaction on the quantum transport in fractional quantum Hall edges

Cited by in corpus (6)

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• Tunneling in Paired Fractional Quantum Hall States: Conductance and Andreev Reflection of Non-Abelions
• Theory of suppressed shot-noise at $\nu =2/(2p+\chi )$
• Tunneling into fractional quantum Hall liquids
• QHE of Bilayer Systems in the Presence of Tunneling -- $\nu =1/q$ case --
• Anomalous tunneling conductances of a spin singlet ν=2/3 edge states: Interplay of Zeeman splitting and Long Range Coulomb Interaction