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19 papers · 2 filters
CFT driven cosmology and the DGP/CFT correspondence
A. O. Barvinsky, C. Deffayet, A. Yu. Kamenshchik
We present a dual 5D braneworld picture of a recently suggested model for a microcanonical description of a 4D cosmology driven by a conformal field theory with a large number of q…
Canonical Analysis of Algebraic String Actions
Winston J. Fairbairn, Karim Noui, Francesco Sardelli
We investigate the canonical aspects of the algebraic first order formulation of strings introduced two decades ago by Balachandran and collaborators. We slightly enlarge the Lagra…
Bogomolny equations and conformal transformations in curved space
P. -M. Zhang, P. A. Horváthy
The coupling of the Higgs field through the Ricci tensor, put forward by Balakrishna and Wali, is derived using a conformal rescaling of the metric. Earlier results on "Bogomolny-t…
Entanglement Entropy in Non-Relativistic Field Theories
Sergey N. Solodukhin
We calculate entanglement entropy in a non-relativistic field theory described by the Schrödinger operator. We demonstrate that the entropy is characterized by i) the area law and…
Instabilities of Twisted Strings
Peter Forgacs, Arpad Lukacs
A linear stability analysis of twisted flux-tubes (strings) in an SU(2) semilocal theory -- an Abelian-Higgs model with two charged scalar fields with a global SU(2) symmetry -- is…
Manifestly Conformal Descriptions and Higher Symmetries of Bosonic Singletons
Xavier Bekaert, Maxim Grigoriev
The usual ambient space approach to conformal fields is based on identifying the d-dimensional conformal space as the Dirac projective hypercone in a flat d+2-dimensional ambient s…