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Gravitational Waves from Preheating in M-flation
Amjad Ashoorioon, Brandon Fung, Robert B. Mann +2
Matrix inflation, or M-flation, is a string theory motivated inflationary model with three scalar field matrices and gauge fields in the adjoint representation of the $\mathbf{U}(N…
Hairy planar black holes in higher dimensions
Andres Acena, Andres Anabalon, Dumitru Astefanesei +1
We construct exact hairy planar black holes in D-dimensional AdS gravity. These solutions are regular except at the singularity and have stress-energy that satisfies the null energ…
Looking Inside a Black Hole
Alexander R. H. Smith, Robert B. Mann
The cosmic censorship conjecture posits that singularities forming to the future of a regular Cauchy surface are hidden by an event horizon. Consequently any topological structures…
Cavities in curved spacetimes: the response of particle detectors
Aida Ahmadzadegan, Eduardo Martin-Martinez, Robert B. Mann
We introduce a method to compute particle detector transition probability in spacetime regions of general curved spacetimes provided that the curvature is not above a maximum thres…
Dynamical Emergence of Universal Horizons during the formation of Black Holes
Mehdi Saravani, Niayesh Afshordi, Robert B. Mann
Motivations for the existence of a fundamental preferred frame range from pure phenomenology to attempts to solve the non-renormalizability of quantum gravity, the problem of time…
Viable dark matter via radiative symmetry breaking in a scalar singlet Higgs portal extension of the standard model
T. G. Steele, Zhi-Wei Wang, D. Contreras +1
We consider generation of dark matter mass via radiative electroweak symmetry breaking in an extension of the conformal Standard Model containing a singlet scalar field with a Higg…