Statistics – Computation
Scientific paper
Nov 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cqgra...6.1697k&link_type=abstract
Classical and Quantum Gravity (ISSN 0264-9381), vol. 6, Nov. 1, 1989, p. 1697-1707.
Statistics
Computation
Cosmic Dust, Field Theory (Physics), Gravitational Collapse, Quantum Theory, Computational Astrophysics, Gravitation Theory, Neutrinos, Vacuum
Scientific paper
The influence of the vacuum expectation value of the energy-momentum tensor of a conformally invariant free quantized field on the spherically symmetric gravitational collapse of a dust cloud is investigated in the approximation that the effects of particle creation can be neglected. The methods used are adopted from the early universe studies of Fischetti, Hartle and Hu and Anderson, and the results are qualitatively similar: for certain values of an arbitrary parameter the collapse proceeds to singularity, although in a manner which differs from the classical (Oppenheimer-Snyder) behavior; for other values of the parameter the collapse terminates before singularity and thereafter the dust cloud expands.
Keith A. F.
Kennedy Gary
Sanders Jon Henry
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