Spinorial Field and Lyra Geometry

Spinorial Field and Lyra Geometry

The Dirac field is studied in a Lyra space-time background by means of the classical Schwinger Variational Principle. We obtain the equations of motion, establish the conservation laws, and get a scale relation relating the energy-momentum and spin tensors. Such scale relation is an intrinsic proper...

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Veröffentlicht in:Astrophysics and space science 2006-10, Vol.305 (2), p.125-132
Hauptverfasser: Casana, R., de Melo, C. A. M., Pimentel, B. M.
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
Matter & antimatter
Stars & galaxies
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Zusammenfassung:The Dirac field is studied in a Lyra space-time background by means of the classical Schwinger Variational Principle. We obtain the equations of motion, establish the conservation laws, and get a scale relation relating the energy-momentum and spin tensors. Such scale relation is an intrinsic property for matter fields in Lyra background.[PUBLICATION ABSTRACT]
ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-006-9048-5