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Scattering Length and the Spectrum of $-\Delta+V$

Open Access article
 Printed: Mar 2006
  • Michael Taylor
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Given a non-negative, locally integrable function $V$ on $\RR^n$, we give a necessary and sufficient condition that $-\Delta+V$ have purely discrete spectrum, in terms of the scattering length of $V$ restricted to boxes.
MSC Classifications: 35J10 show english descriptions Schrodinger operator [See also 35Pxx] 35J10 - Schrodinger operator [See also 35Pxx]

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