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Spectral properties of hamiltonians with a magnetic field at a fixed pseudomomentum. I

✍ Scribed by S. A. Vugal’ter; G. M. Zhislin

Book ID
110605906
Publisher
SP MAIK Nauka/Interperiodica
Year
1997
Tongue
English
Weight
762 KB
Volume
113
Category
Article
ISSN
0040-5779

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Spectral Properties at a Threshold for T
Spectral Properties at a Threshold for Two-Channel Hamiltonians I. Abstract Theory
✍ Michael Melgaard 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 151 KB

Spectral properties at thresholds are investigated for two-channel Hamiltonians in various, mostly fairly ''singular'' settings. In an abstract framework we deduce asymptotic expansions of the resolvent as the spectral parameter tends to a threshold. The results are based on given asymptotic expansi