On the energy of bound states for magnetic Schrödinger operators
- Autores: Soren Fournais, Ayman Kachmar
- Localización: Journal of the London Mathematical Society, ISSN 0024-6107, Vol. 80, Nº 1, 2009, págs. 233-255
- Idioma: inglés
- DOI: 10.1112/jlms/jdp028
- Enlaces
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Resumen
We provide a leading order semiclassical asymptotics of the energy of bound states for magnetic Neumann Schr¨odinger operators in two-dimensional (exterior) domains with smooth boundaries.
The asymptotics is valid all the way up to the bottom of the essential spectrum. When the spectral parameter is varied near the value where bound states become allowed in the interior of the domain, we show that the energy has a boundary and a bulk component. The estimates rely on coherent states, in particular on the construction of �boundary coherent states�, and magnetic Lieb�Thirring estimates
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