Static wormhole solutions and Noether symmetry in modified Gauss–Bonnet gravity
نویسندگان
چکیده
منابع مشابه
Universal conservation law and modified Noether symmetry in 2d models of gravity with matter
It is well-known that all 2d models of gravity—including theories with nonvanishing torsion and dilaton theories—can be solved exactly, if matter interactions are absent. An absolutely (in space and time) conserved quantity determines the global classification of all (classical) solutions. For the special case of spherically reduced Einstein gravity it coincides with the mass in the Schwarzschi...
متن کاملSpherically symmetric solutions in f(R) gravity via Noether Symmetry Approach
We search for spherically symmetric solutions of f(R) theories of gravity via the Noether Symmetry Approach. A general formalism in the metric framework is developed considering a point-like f(R) Lagrangian where spherical symmetry is required. Examples of exact solutions are given. PACS numbers: 98.80.-k, 95.35.+x, 95.35.+d, 04.50.+h
متن کاملSelf-consistent Wormhole Solutions of Semiclassical Gravity
We present the first results of a self-consistent solution of the semiclassical Einstein field equations corresponding to a Lorentzian wormhole coupled to a quantum scalar field. The specific solution presented here represents a wormhole connecting two asymptotically spatially flat regions. In general, the diameter of the wormhole throat, in units of the Planck length, can be arbitrarily large,...
متن کاملExact solutions in modified massive gravity and off-diagonal wormhole deformations
We explore off-diagonal deformations of ‘prime’ metrics in Einstein gravity (for instance, for wormhole configurations) into ‘target’ exact solutions in f (R, T )modified and massive/bi-metric gravity theories. The new classes of solutions may, or may not, possess Killing symmetries and canbe characterized by effective inducedmasses, anisotropic polarized interactions, and cosmological constant...
متن کاملStatic wormhole solution for higher-dimensional gravity in vacuum
Gustavo Dotti, Julio Oliva, and Ricardo Troncoso Facultad de Matemática, Astronomı́a y F́ısica, Universidad Nacional de Córdoba, Ciudad Universitaria, (5000) Córdoba, Argentina. Departamento de F́ısica, Universidad de Concepción, Casilla, 160-C, Concepción, Chile. Centro de Estudios Cient́ıficos (CECS), Casilla 1469, Valdivia, Chile. Abstract A static wormhole solution for gravity in vacuum is foun...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 2020
ISSN: 1434-6044,1434-6052
DOI: 10.1140/epjc/s10052-020-8362-3