- 07-305 Johannes Kellendonk, Serge Richard
- The topological meaning of Levinson's theorem, half-bound states included
(210K, pdf)
Dec 14, 07
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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.
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