polarization tensor

См. также в других словарях:

• polarization tensor — poliarizacijos tenzorius statusas T sritis fizika atitikmenys: angl. polarization tensor vok. Polarisationstensor, m rus. тензор поляризации, m pranc. tenseur de polarisation, m …   Fizikos terminų žodynas

• Tensor — For other uses, see Tensor (disambiguation). Note that in common usage, the term tensor is also used to refer to a tensor field. Stress, a second order tensor. The tensor s components, in a three dimensional Cartesian coordinate system, form the… …   Wikipedia

• Polarization density — In classical electromagnetism, the polarization density (or electric polarization, or simply polarization) is the vector field that expresses the density of permanent or induced electric dipole moments in a dielectric material. The polarization… …   Wikipedia

• Vacuum polarization — In quantum field theory, and specifically quantum electrodynamics, vacuum polarization describes a process in which a background electromagnetic field produces virtual electron positron pairs that change the distribution of charges and currents… …   Wikipedia

• Electromagnetic tensor — Electromagnetism Electricity · …   Wikipedia

• Maxwell stress tensor — Electromagnetism Electricity · …   Wikipedia

• Scalar-vector-tensor decomposition — In cosmological perturbation theory, the scalar vector tensor decomposition is a decomposition of the most general linearized s of the Friedmann Robertson Walker metric into components according to their transformations under spatial rotations.… …   Wikipedia

• Degree of polarization — (DOP) is a quantity used to describe the portion of an electromagnetic wave which is polarized. A perfectly polarized wave has a DOP of 100%, whereas an unpolarized wave has a DOP of 0%. A wave which is partially polarized, and therefore can be… …   Wikipedia

• Covariant formulation of classical electromagnetism — Electromagnetism Electricity · …   Wikipedia

• Maxwell's equations in curved spacetime — Induced spacetime curvature In physics, Maxwell s equations in curved spacetime govern the dynamics of the electromagnetic field in curved spacetime (where the metric may not be the Minkowski metric) or where one uses an arbitrary (not… …   Wikipedia

• Intermediate treatment of tensors — In mathematics and physics, a tensor is an idealized geometric or physical quantity whose numerical description, relative to a particular frame of reference, consists of a multiple indexed array of numbers. A vector, for example, is a tensor with …   Wikipedia