Classical physics of thermal scalar radiation in two spacetime dimensions

Classical Physics of Thermal Scalar Radiation in Two Spacetime Dimensions

Abstract Thermal scalar radiation in two spacetime dimensions is treated within relativistic classical physics. Part I involves an inertial frame where are given the analogues both of Boltzmann’s derivation of the Stefan-Boltzmann law and also Wien’s derivation of the displacement theorem using the σltU−1-scaling of relativistic radiation theory. Next the spectrum of classical scalar zeropoint ...

Particle Physics Probes Of Extra Spacetime Dimensions

The possibility that spacetime is extended beyond the familiar 3+1-dimensions has intrigued physicists for a century. Indeed, the consequences of a dimensionally richer spacetime would be profound. Recently, new theories with higher dimensional spacetimes have been developed to resolve the hierarchy problem in particle physics. These scenarios make distinct predictions which allow for experimen...

Gravitational kinks in two spacetime dimensions

The properties of gravitational kinks are studied within some simple models of two dimensional gravity. In spacetimes of cylindrical topology we prove the existence of kinks of constant curvature with arbitrary kink numbers. In R R spacetimes m = 1 kink solutions of the equation R = 0 are found, whereas jmj > 1 at kinks are proved not to exist. We give a detailed analysis of the behaviour of gr...

0 Gravity in Two Spacetime Dimensions

Classical radiation by free-falling charges in de Sitter spacetime

We study the classical radiation emitted by free-falling charges in de Sitter spacetime coupled to different kinds of fields. Specifically we consider the cases of the electromagnetic field, linearized gravity and scalar fields with arbitrary mass and curvature coupling. Given an arbitrary set of such charges, there is a generic result for sufficiently late times which corresponds to each charg...