Orbital spins of the collective excitations in Hall liquids

Details Orbital spins of the collective excitations in Hall liquids Orbital spins of the collective excitations in Hall liquids

1993-11-30

arxiv.org/abs/cond-mat/9311065v1

Physics

Condensed Matter

8 pages, 1 figure, Plain TeX, IBM and MIT preprint

Scientific paper

10.1103/PhysRevB.49.11066

We show that the Chern-Simons-Ginzburg-Landau theory of the quantum Hall
effect needs a modification, because the order parameter in that theory carries
an intrinsic orbital angular momentum. This quantum number contains additional
information about the topological order of the Hall liquids. We propose to
measure this angular momentum by circular-polarized Ramman scattering.

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