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171 papers · 1 filter
Probability Distribution for Vacuum Energy Flux Fluctuations in Two Spacetime Dimensions
Christopher J. Fewster, L. H. Ford
The probability distribution for vacuum fluctuations of the energy flux in two dimensions will be constructed, along with the joint distribution of energy flux and energy density.…
Vacuum Radiation Pressure Fluctuations on Electrons
L. H. Ford
This paper is a continuation of a study of the properties and applications of quantum stress tensor fluctuations. Here we treat the vacuum fluctuations of the electromagnetic energ…
Unitarity, Causality, and Solar System Bounds May Significantly Limit the Use of Gravitational Waves to Test General Relativity
Alexander Cassem, Mark P. Hertzberg
The prospect of detecting/constraining deviations from general relativity by studying gravitational waves (GWs) from merging black holes has been one of the primary motivations of…
What determines the rest frame of bubble nucleation?
Yilin Chen, Alexander Vilenkin
We revisit the question addressed in recent papers by Garriga et al: What determines the rest frame of pair nucleation in a constant electric field? The conclusion reached in these…
Possible Relation between the Cosmological Constant and Standard Model Parameters
Mark P. Hertzberg, Abraham Loeb
We propose possible properties of quantum gravity in de Sitter space, and find that they relate the value of the cosmological constant to parameters of the Standard Model. In de Si…
Nambu-Goto Dynamics of Field Theory Cosmic String Loops
Jose J. Blanco-Pillado, Daniel Jiménez-Aguilar, Joanes Lizarraga +4
We perform a detailed comparison of the dynamics of cosmic string loops obtained in cosmological field theory simulations with their expected motion according to the Nambu-Goto act…