Einstein Equations
The Einstein equations in the null quasi-spherical gauge
... The geom etrically based null quasi-spherical (NQS) coordinate gauge condition now considered forms the basis of the rem ainder of this work. The quasi-spherical gauge condition first arose in an ansatz considered by ...
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Relativistic Derivations of de Broglie and Planck Einstein Equations
... In the next section we report an alternative deduction of the de Broglie relation obtained directly from the Lo- rentz transformations and the Planck-Einstein equation. In Section 3, following de Broglie and other ...
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Riemannian Space Time, de Donder Conditions and Gravitational Field in Flat Space Time
... of Einstein equations! That is why all of authors guess their Lagrangian densities according to the Einstein equations in order to corresponding with Einstein ...of Einstein ...
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On perturbations in Horndeski theories
... Another way to obtain the quadratic action for a cubic Galileon theory was suggested in Ref. [13] (the DPSV approach). This is a bottom up approach, meaning that one reconstructs the quadratic action from the linearized ...
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Excision without excision
... vacuum Einstein evolution equations are solved ...the equations does not allow for constraint violations to propagate to the out- ...the Einstein equations used, gauge and constraint ...
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Conformally coupled scalar solitons and black holes with negative cosmological constant
... the Einstein equations with a conformally coupled scalar field, in the presence of a negative cosmological constant, for space-time dimensions greater than or equal to ...
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Chirality in gravitational and electromagnetic interactions with matter
... The properties of the scalar field α needed to generate chiral, wave-like and pulse-like solutions to the linearised source-free Einstein equations have been developed in [19]. To emulate the methodology ...
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Why Gravitational Waves Cannot Exist
... parametrize Einstein equations, that we shall prove in Section 4, has never been acknowledged by physicists but can be found in a book on control because it is now known that a control system is ...
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The geometry of autonomous metrical multi time Lagrange space of electrodynamics
... Maxwell equations which govern the electromagnetic field of this ...generalized Einstein equations of the gravitational h-potential of the autonomous metrical multi-time Lagrange space are written in ...
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Well posed formulations and stable finite differencing schemes for numerical relativity
... Table 7.1: Errors in wave propagation speeds for the Einstein equations for various formulations As discussed in Section 7.6.1, we predict that second order in space systems using the st[r] ...
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Pötting, Sierk (2004): Coherent Momentum State Manipulation of Matter Waves. Dissertation, LMU München: Fakultät für Physik
... Having discussed the acceleration of condensates and the engineering of specific momentum states in the previous chapters, we now focus on the transport of wave packets. In free-space atom-optical applications as well as ...
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The Theory about Light
... Albert Einstein in ...Albert Einstein published his famous Einstein Field Equations (Einstein-Maxwell equations), which were the mathematical foundation on which the Theory of ...
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Modifying the theory of gravity by changing independent variables
... ferences between this action and the standard one are that the Ricci tensor depends only on the connection and connection is an independent nonsymmetric variable. For the first time such action was considered by ...
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Bianchi Type V Cosmological Model with Linear Equation of State in Brans Dicke Theory of Gravitation
... Motivated by above discussion, in this paper we have obtained exact solutions of the Einstein field equations of Bianchi type V Cosmological model with linear equation of state in the sc[r] ...
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Finsler pp-waves
... Therefore, we conclude that every harmonic function Φ leads to an exact solution of the Finslerian Einstein ’ s equations in vacuum (for Berwald spaces). This is com- pletely analogous to the pp-waves case. ...
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Well Behaved Parametric Class of Exact Solutions of Einstein Maxwell Field Equations in General Relativity
... of Einstein-Maxwell field equations, the relativists have been proposing different models of immense gravity astrophysical objects by con- sidering the distinct nature of matter or radiation (en- ...
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Class of Charged Fluid Balls in General Relativity
... space time. As such the set of field Equations (17) to (19) can be solved under two given relations or assumptions. Physically speaking, one of them has to be the equation of state for fluid and another a law for ...
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Encoding Possible Final States of the Universe with Conformal Structures
... There are a number of models which describe an isotropic universe. The astro- physical community most commonly uses the Friedmann-Robertson-Walker (FRW) family of models which we will briefly introduce in chapter 3. ...
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Einstein and Relativity
... Maxwell concluded that visible light and all other electromagnetic waves consist of fluctuating electric and magnetic fields, with each varying field inducing the other. Maxwell ca[r] ...
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Unification of Electromagnetism and Gravitation
... field equations, a recently proposed theory that covers the phenomenology of classical physics at the level of the Maxwell and Einstein Field Equations (M&EFEs) but then goes further by unifying ...
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