We study the spectral properties of the magnetic Schro dinger operator with a random potential. Using results from microlocal analysis and percolation, we show that away from the Landau levels, the spectrum is almost surely pure point with (at least) exponentially decaying eigenfunctions. Moreover,
Spectral Properties of Schrödinger Operators with Irregular Magnetic Potentials, for a Spin 12 Particle
✍ Scribed by S.Z. Levendorskii
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 279 KB
- Volume
- 216
- Category
- Article
- ISSN
- 0022-247X
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✦ Synopsis
The two-dimensional Schrodinger operator H a for a spin particle is consid-¨2 ered. The magnetic field b generated by a does not grow in some directions and stabilizes to a positively homogeneous function. It is shown that the spectrum ˜Ž Ž .. Ž Ž .. Ä 4 H a consists of H a and 0 , the latter being an isolated eigenvalue of di sc infinite multiplicity, the former accumulating to qϱ only. The principal term of Ž Ž .. Ž Ž . . the asymptotics of H a , and of H a q V , where b and V do not grow di sc
in some directions, is computed.
📜 SIMILAR VOLUMES
In this series of papers we prove the limiting absorption principle over a given interval for a class of Hamiltonians which contains the original one of von Neumann and Wigner. More specifically, the Hamiltonians are of the form < < < <  Ž . Ž . y⌬ q c sin b x r x q V x , where 2r3 - F 1, V x is a