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hep-th2025
Auxiliary-Field Formalism for Higher-Derivative Boundary CFTs
Gregorio Paci, Sergey N. Solodukhin
We study the conformal field theory defined by the fourth-order operator on four-dimensional manifolds with boundaries, reformulating it through an auxiliary field so that the dyna…
hep-th2025
Cosmological singularity, conformal anomaly and symmetric polynomials
Sergey N. Solodukhin
We consider a spacetime singularity at arising in a Kasner-type metric that solves the gravitational equations modified by quantum effects of a conformal field theory (CFT)…
gr-qc2025★ 2 cited
Exploring the landscape of black hole mimickers
Sergey N. Solodukhin, Vagif Tagiev
We identify a general class of spacetime metrics that mimic the properties of black holes without possessing a true event horizon. These metrics are constrained by the requirements…