Quantum Dynamics of Pseudospin Solitons in Double-Layer Quantum Hall Systems

Details Quantum Dynamics of Pseudospin Solitons in Double-Layer Quantum Hall Systems Quantum Dynamics of Pseudospin Solitons in Double-Layer Quantum Hall Systems

1999-04-13

arxiv.org/abs/cond-mat/9904185v3

Phys. Rev. Lett. v.83, p.1411 (1999); Phys. Rev. Lett. v85, p.2222(E) (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure. Published version + Erratum

Scientific paper

10.1103/PhysRevLett.85.2222

Pseudospin solitons in double-layer quantum Hall systems can be introduced by a magnetic field component coplanar with the electrons and can be pinned by applying voltages to external gates. We estimate the temperature below which depinning occurs predominantly via tunneling and calculate low-temperature depinning rates for realistic geometries. We discuss the local changes in charge and current densities and in spectral functions that can be used to detect solitons and observe their temporal evolution.

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