Articles with "field operators" as a keyword



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Incompatibility of the Dirac-like Field Operators with the Majorana Anzatzen

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Published in 2019 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-019-04008-8

Abstract: In the present article we investigate the spin-1/2 and spin-1 cases in different bases. Next, we look for relations with the Majorana-like field operator. We show explicitly incompatibility of the Majorana anzatzen with the Dirac-like… read more here.

Keywords: like field; majorana anzatzen; field; field operators ... See more keywords

Spectral decomposition of field operators and causal measurement in quantum field theory

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Published in 2024 at "Journal of Mathematical Physics"

DOI: 10.1063/5.0245368

Abstract: We construct the spectral decomposition of field operators in bosonic quantum field theory as a limit of a strongly continuous family of positive-operator-valued measure decompositions. The latter arise from integrals over families of bounded positive… read more here.

Keywords: quantum field; field; spectral decomposition; field operators ... See more keywords