Physics
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cqgra..16a.131a&link_type=abstract
Classical Quantum Gravity, Vol. 16, No. 1, p. 131 - 147
Physics
Quantum Gravity: Gravitational Collapse
Scientific paper
The semiclassical collapse, including lowest-order back-reaction, of a thin shell of self-gravitating quantized matter is illustrated. The conditions for which self-gravitating matter forms a thin shell are first discussed and an effective Lagrangian for such matter is obtained. The matter-gravity system is then quantized, the semiclassical limit for gravitation is taken and the method of adiabatic invariants is applied to the resulting time-dependent matter Hamiltonian. The governing equations are integrated numerically, for suitable initial conditions, in order to illustrate the effect of back-reaction, due to the creation of matter, in slowing down the collapse near the horizon.
Alberghi Gian Luigi
Casadio Roberto
Vacca Gian Paolo
Venturi Giovanni
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