Derives Planckian graviton spectrum ω³/(e^{2π c ω/κ}-1) from imaginary-time periodicity of a quadrupole source, yielding finite energy and number.
Time Dependence of Particle Creation from Accelerating Mirrors
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abstract
Particle production due to a quantized, massless, minimally coupled scalar field in two-dimensional flat spacetime with an accelerating mirror is investigated, with a focus on the time dependence of the process. We analyze first the classes of trajectories previously investigated by Carlitz and Willey and by Walker and Davies. We then analyze four new classes of trajectories, all of which can be expressed analytically and for which several ancillary properties can be derived analytically. The time dependence is investigated through the use of wave packets for the modes of the quantized field that are in the out vacuum state. It is shown for most of the trajectories studied that good time resolution of the particle production process can be obtained.
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A model of late-time U(1)EM symmetry breaking via scalar-driven first-order phase transition predicts high-energy photon and neutrino bursts as long-range precursors detectable by multi-messenger facilities.
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Planckian Gravitons from an Imaginary-Time Clock
Derives Planckian graviton spectrum ω³/(e^{2π c ω/κ}-1) from imaginary-time periodicity of a quadrupole source, yielding finite energy and number.
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Signals of Doomsday III: Cosmological signatures of the late time $U(1)_{EM}$ symmetry breaking
A model of late-time U(1)EM symmetry breaking via scalar-driven first-order phase transition predicts high-energy photon and neutrino bursts as long-range precursors detectable by multi-messenger facilities.