40 citations · 134 across the 5 of their papers we have counts for
5 papers
Geometric Flows and Perelman's Thermodynamics for Black Ellipsoids in and Einstein Gravity Theories
Tamara Gheorghiu, Vyacheslav Ruchin, Olivia Vacaru +1
We study geometric relativistic flow and Ricci soliton equations which (for respective nonholonomic constraints and self-similarity conditions) are equivalent to the gravitational…
Modified Einstein and Finsler Like Theories on Tangent Lorentz Bundles
Panayiotis Stavrinos, Olivia Vacaru, Sergiu I. Vacaru
We study modifications of general relativity, GR, with nonlinear dispersion relations which can be geometrized on tangent Lorentz bundles. Such modified gravity theories, MGTs, can…
Off-Diagonal Deformations of Kerr Black Holes in Einstein and Modified Massive Gravity and Higher Dimensions
Tamara Gheorghiu, Olivia Vacaru, Sergiu I. Vacaru
We find general parameterizations for generic off-diagonal spacetime metrics and matter sources in general relativity (GR) and modified gravity theories when the field equations de…
On Relativistic Generalization of Perelman's W-entropy and Statistical Thermodynamic Description of Gravitational Fields
Vyacheslav Ruchin, Olivia Vacaru, Sergiu I. Vacaru
Using double 2+2 and 3+1 nonholonomic fibrations on Lorentz manifolds, we extend the concept of W-entropy for gravitational fields in the general relativity, GR, theory. Such F- an…
Modified Dynamical Supergravity Breaking and Off-Diagonal Super-Higgs Effects
Tamara Gheorghiu, Olivia Vacaru, Sergiu Vacaru
We argue that generic off-diagonal vacuum and nonvacuum solutions for Einstein manifolds mimic physical effects in modified gravity theories (MGTs) and encode certain models of the…