Pseudodifferential operators with point interactions (Q1366442)
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scientific article; zbMATH DE number 1059891
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Pseudodifferential operators with point interactions |
scientific article; zbMATH DE number 1059891 |
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Pseudodifferential operators with point interactions (English)
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23 March 1998
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The authors give necessary and sufficient conditions for a translation invariant pseudodifferential operator generating a sub-Markovian semigroup to have nontrivial point perturbations. The results are applied to the construction of a relativistic spin zero Hamiltonian with point interaction.
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point interaction
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spin zero Hamiltonian
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sub-Markovian semigroup
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