field equation

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field equation

An equation describing the behavior of a field, derived from the law governing how the associated physical agency varies in space and time. See also relativity, general theory.

References in periodicals archive ?

London theory remains valid also in the case of the gravitoelectromagnetic approximation to the Einstein field equations [37, 38].

Gravitation at the Josephson Junction

The gravitational field which is elegantly described by Einstein's field equations has so far eluded a quantum description.

A Covariant Canonical Quantization of General Relativity

Finally, Einstein presented his standard field equations (EFEs) describing gravity in the tensor equations form, namely, [2-5,8-12]

Modified Standard Einstein's Field Equations and the Cosmological Constant

Keywords: Static Conformal Mikowski Spacetime, Cosmological Constant, Einstein Field Equations

CONFORMAL MINKOWSKI SPACETIME AND THE COSMOLOGICAL CONSTANT

"The researchers' calculations show that if gravitational waves are found to travel at the speed of light, this would rule out alternative gravity theories, with no dark energy, in support of Einstein's Cosmological Constant," the University of Edinburgh said in a statement, referring to the repulsive force that Einstein included in - and later retracted from - the field equations of general relativity.

What Is Driving The Universe's Accelerated Expansion?

We develop the Cosserat plate field equations and a rigorous formula for the optimal value of the splitting parameter.

Modeling of Size Effects in Bending of Perforated Cosserat Plates

This CFA formalism includes much of the nonlinearity inherent in GR and leads set of coupled, nonlinear, elliptic field equations that can be evolved stably.

Analysis of the Conformally Flat Approximation for Binary Neutron Star Initial Conditions

It is well known that the Einstein gravitational field equations for a vacuum (with a zero matter tensor) are automatically solved by any metric g on a two-dimensional space-time M.

Elliptic Function Solutions in Jackiw-Teitelboim Dilaton Gravity

The hidden field equations (HFE) scheme [5] may be the most famous cryptosystem amongst all multivariate public key cryptographic schemes.

Building Secure Public Key Encryption Scheme from Hidden Field Equations

Part I describes numerical techniques for different types of problems, including 3+1 or N+1 formulations, finite-differencing methods, matter field equations, initial-value problems, deriving gravitational waves, and locating the apparent horizon of a black hole.

Numerical Relativity

Both groups independently created software applying the Einstein Field Equations, which describe the complicated relationships between the matter content of the universe and the curvature of space and time, at billions of places and times over the history of the universe.

Scientists Model Universe Using Einstein's Full Theory

* Searching through over 900 exact solutions to Einstein's field equations for metrics with particular properties, and using these solution metrics and automatically derived related information in your general relatively computations