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20 papers · 2 filters
Computation of the radiation amplitude of oscillons
Gyula Fodor, Péter Forgács, Zalán Horváth +1
The radiation loss of small amplitude oscillons (very long-living, spatially localized, time dependent solutions) in one dimensional scalar field theories is computed in the small-…
The volume of causal diamonds, asymptotically de Sitter space-times and irreversibility
Sergey N. Solodukhin
In this note we prove that the volume of a causal diamond associated with an inertial observer in asymptotically de Sitter 4-dimensional space-time is monotonically increasing func…
Vortices in (abelian) Chern-Simons gauge theory
Peter A. Horvathy, Pengming Zhang
The vortex solutions of various classical planar field theories with (Abelian) Chern-Simons term are reviewed. Relativistic vortices, put forward by Paul and Khare, arise when the…
Charging Black Saturn?
Brenda Chng, Robert Mann, Eugen Radu +1
We construct new charged static solutions of the Einstein-Maxwell field equations in five dimensions via a solution generation technique utilizing the symmetries of the reduced Lag…
Spinning Electroweak Sphalerons
Eugen Radu, Mikhail S. Volkov
We present numerical evidence for the existence of stationary spinning generalizations for the static sphaleron in the Weinberg-Salam theory. Our results suggest that, for any valu…
The geometry of Schrödinger symmetry in non-relativistic CFT
C. Duval, M. Hassaine, P. A. Horvathy
The non-relativistic conformal "Schroedinger" symmetry of some gravity backgrounds proposed recently in the AdS/CFT context, is explained in the "Bargmann framework". The formalism…