Non-Hermitian operators, localization problem, and the conservation of fermion number (Q1822370)
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scientific article; zbMATH DE number 4003007
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Non-Hermitian operators, localization problem, and the conservation of fermion number |
scientific article; zbMATH DE number 4003007 |
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Non-Hermitian operators, localization problem, and the conservation of fermion number (English)
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1987
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The well-known localization problem for relativistic particles in quantum theory is considered. It is suggested that the non-Hermitian position operator describes two real physical quantities, a center of mass position and an internal helicity (which the author identifies with the fermion number). Hence such a particle is in some vague sense extended.
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localization problem
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relativistic particles
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position operator
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center of mass
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internal helicity
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