The topological meaning of Levinson's theorem, half-bound states included

Abstract

We propose to interpret Levinson's theorem as an index theorem. This exhibits its topological nature. It furthermore leads to a more coherent explanation of the corrections due to resonances at thresholds.

arXiv comment4 pages

References in corpus (2)

• Levinson's theorem for Schroedinger operators with point interaction: a topological approach
• Topological boundary maps in physics: General theory and applications

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