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643 papers · 1 filter
Nonperfect Carrollian Fluids Through Holography
Felipe Diaz
We embed the covariant, gauge-invariant gravitational radiation criteria of Fernández-Álvarez and Senovilla, based in terms of conformal geometry and the Bel-Robinson tensor, into…
Point Particles as Spin Chains
Viacheslav Krivorol
This work surveys a recently developed approach to the study of free point particles on Riemannian manifolds, based on the Kirillov orbit method, geometric quantization, and the ge…
Poly-vector deformations of heterotic supergravity solutions
Kirill Gubarev, Konstantin Sovit
We construct bi- and uni-vector deformations of 10d heterotic supergravity solutions with the gauged double field theory approach. We construct a generalization of the "open/closed…
Pseudodifferential calculus in Schwinger--DeWitt formalism: UV and IR parts
A. O. Barvinsky, A. E. Kalugin, W. Wachowski
We consider expansions for the kernels of operator functions of second-order minimal operators on a curved background. We show that the terms of these expansions originate in the u…
Conformal blocks of Wess-Zumino-Witten model from its free-field representation
Alexei Morozov, Hasib Sifat
A powerful approach to the celebrated Wess-Zumino-Witten (WZW) model is provided by its free-field realization. However, explicit calculations of conformal blocks are not described…
On the link between finite QFT and standard RG approaches
Y. A. Ageeva, A. L. Kataev
A finite formulation of quantum field theory based on a system of differential equations reminiscent of the Callan-Symanzik equations is discussed. This system of equations was pre…