Gravitationally induced particle creation in a q-scalar field.

Details Gravitationally induced particle creation in a q-scalar field. Gravitationally induced particle creation in a q-scalar field.

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998prama..51..357v&link_type=abstract

Pramāna, Vol. 51, No. 3 - 4, p. 357 - 363

Physics

1

Particle Creation: Gravitation Theory

Scientific paper

Tom and Goodison (1993) have shown that for generic values of q, gravitationally induced particle creation is impossible in the ordinary vacuum state. Here we consider the evolution of a q-deformed scalar field in a curved spacetime and observe that if the field is either represented by a coherent state or a squeezed state, there is a change in the energy density of the field indicating the possibility of particle creation.

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