Particle production in higher derivative theory

Details Particle production in higher derivative theory Particle production in higher derivative theory

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000prama..54..729.&link_type=abstract

Pramana, vol. 54, Issue 5, p.729

Mathematics

Logic

Cosmological Models, Particle Production, Higher Derivative Theory Of Gravitation.

Scientific paper

. The effect of particle production on the evolution of the spatially flat Friedmann-Lemaitre-Robertson-Walker cosmological model during the early stages of the universe is analysed in the framework of higher derivative theory. The universe has been considered as an open thermodynamic system where particle production gives rise to a supplementary negative creation pressure in addition to the thermodynamic pressure. The dynamical behaviour of both exponential as well as power law solutions have been discussed.

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