Classical and Quantum Singularities of Levi-Civita Spacetimes with and without a Positive Cosmological Constant

Konkowski, D. A.; Reese, C.; Helliwell, T. M.; Wieland, C.

Classical and Quantum Singularities of Levi-Civita Spacetimes with and without a Positive Cosmological Constant

Authors

Description

Levi-Civita spacetimes have classical naked singularities. They also have quantum singularities. Quantum singularities in general relativistic spacetimes are determined by the behavior of quantum test particles. A static spacetime is said to be quantum mechanically singular if the spatial portion of the wave operator is not essentially self-adjoint on a $C_{0}^{\infty}$ domain in $L^{2}$, a Hilbert space of square integrable functions. Here we summarize how Weyl's limit point-limit circle criterion can be used to determine whether a wave operator is essentially self-adjoint and how this test can then be applied to scalar wave packets in Levi-Civita spacetimes with and without a cosmological constant to help elucidate the physical properties of these spacetimes.
14 pages, no figures, submitted to Proceedings of the Workshop on Dynamics and Thermodynamics of Blackholes and Naked Singularities (Milan, May 2004)