Edge Magnetoplasmons in Quantum Hall Line Junction Systems

Details Edge Magnetoplasmons in Quantum Hall Line Junction Systems Edge Magnetoplasmons in Quantum Hall Line Junction Systems

2005-07-10

arxiv.org/abs/cond-mat/0507227v1

Phys. Rev. B 72, 121304(R) (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, submitted to Phys. Rev. B Rapid Communication

Scientific paper

10.1103/PhysRevB.72.121304

A quantum Hall line junction system consists of a one-dimensional Luttinger liquid (LL) and two chiral channels that allow density waves incident upon and reflected by the LL to be measured separately. We demonstrate that interactions in a quantum Hall line junction system can be probed by studying edge magnetoplasmon absorption spectra and their polarization dependences. Strong interactions in the junction lead to collective modes that are isolated in either Luttinger liquid or contact subsystems.

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