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Topological Features of the Magnetic Response in Inhomogeneous Magnetic Fields

E. Akkermans·R. Narevich
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Abstract

We present topological features of the magnetic response (orbital and spin) of a two-dimensional degenerate and non interacting electron gas due to inhomogeneous applied magnetic fields. These issues are analysed from the point of view of the Index theory with a special emphasis on the non perturbative aspects of this response. The limiting case of a Aharonov-Bohm magnetic flux line is studied in details and the results are extended to more general situations.

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E. Akkermans, R. Narevich. 1998-12-18. Topological Features of the Magnetic Response in Inhomogeneous Magnetic Fields. https://arxiv.org/abs/cond-mat/9812322

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