Awaking the vacuum with spheroidal shells [PDF]
William C. C. Lima, Raissa F. P. Mendes, George E. A. Matsas, Daniel A. T. VanzellaIt has been shown that well-behaved spacetimes may induce the vacuum fluctuations of some nonminimally coupled free scalar fields to go through a phase of exponential growth. Here, we discuss this mechanism in the context of spheroidal thin shells emphasizing the consequences of deviations from spherical symmetry.View original: http://arxiv.org/abs/1304.0582
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