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22 papers · 2 filters
A note about a pure spin-connection formulation of General Relativity and spin-2 duality in (A)dS
Thomas Basile, Xavier Bekaert, Nicolas Boulanger
We investigate the problem of finding a pure spin-connection formulation of General Relativity with non-vanishing cosmological constant. We first revisit the problem at the lineari…
Boundary terms of conformal anomaly
Sergey N. Solodukhin
We analyze the structure of the boundary terms in the conformal anomaly integrated over a manifold with boundaries. We suggest that the anomalies of type B, polynomial in the Weyl…
Metric Redefinition and UV Divergences in Quantum Einstein Gravity
Sergey N. Solodukhin
I formulate several statements demonstrating that the local metric redefinition can be used to reduce the UV divergences present in the quantum action for the Einstein gravity in $…
Chiral Heat Wave and mixing of Magnetic, Vortical and Heat waves in chiral media
M. N. Chernodub
We show that a hot rotating fluid of relativistic chiral fermions possesses a new gapless collective mode associated with coherent propagation of energy density and chiral density…
Quartic AdS Interactions in Higher-Spin Gravity from Conformal Field Theory
Xavier Bekaert, Johanna Erdmenger, Dmitry Ponomarev +1
Clarifying the locality properties of higher-spin gravity is a pressing task, but notoriously difficult due to the absence of a weakly-coupled flat regime. The simplest non-trivial…
Chern-Simons Improved Hamiltonians for Strings in Three Space Dimensions
Ivan Gordeli, Dmitry Melnikov, Antti Niemi +1
The Frenet equation governs the extrinsic geometry of a string in three-dimensional ambient space in terms of the curvature and torsion, which are both scalar functions under strin…