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Search: authors:"Farhang Loran"

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Fermionic one-particle states in curved spacetimes

Abstract We show that a notion of one-particle state and the corresponding vacuum state exists in general curved backgrounds for spin \( \frac{1}{2} \) fields. A curved spacetime can be equipped with a coordinate system in which the metric component gāˆ’āˆ’ = 0. We separate the component of the left-handed massless Dirac field which is annihilated by the null vector āˆ‚āˆ’ and compute...