conserved current

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• Conserved current — In physics a conserved current is a current, jμ, that satisfies the continuity equation . The continuity equation represents a conservation law, hence the name. Indeed, integrating the continuity equation over a volume V, large enough to have no… …   Wikipedia

• Current — may refer to: Contents 1 Ongoing events 2 Science and Mathematics 3 Business 4 Ships 5 Media …   Wikipedia

• Current density — This page is about the electric current density in electromagnetism. For the probability current density in quantum mechanics, see Probability current. Current density is a measure of the density of flow of a conserved charge. Usually the charge… …   Wikipedia

• Indigenous and Community Conserved Area — Indigenous and Community Conserved Areas (ICCA) are areas in which there are close associations between indigenous people or a local community and a specific territory or body of natural resources. When such an association is combined with… …   Wikipedia

• Kirchhoff's current law — noun a law showing that electric charge is conserved around an electrical circuit: At any point in an electrical circuit where charge density is not changing in time, the sum of currents flowing towards that point is equal to the sum of currents… …   Wiktionary

• Noether's theorem — This article discusses Emmy Noether s first theorem, which derives conserved quantities from symmetries. For her related theorem on infinite dimensional Lie algebras and differential equations, see Noether s second theorem. For her unrelated… …   Wikipedia

• Weinberg-Witten theorem — Steven Weinberg and Edward Witten consider the so called emergent theories to be misguided. During the 80 s, preon theories, technicolor and the like were very popular and some people were speculating that gravity might be an emergent phenomena… …   Wikipedia

• Einstein–Cartan theory — in theoretical physics extends general relativity to correctly handle spin angular momentum. As the master theory of classical physics general relativity has one known flaw: it cannot describe spin orbit coupling , i.e., exchange of intrinsic… …   Wikipedia

• Stress-energy tensor — The stress energy tensor (sometimes stress energy momentum tensor) is a tensor quantity in physics that describes the density and flux of energy and momentum in spacetime, generalizing the stress tensor of Newtonian physics. It is an attribute of …   Wikipedia

• Charge (physics) — This article is about charge in the most general physics sense. For charge as relates to electrical phenomena, see electric charge. For other uses of charge, see Charge (disambiguation). In physics, a charge may refer to one of many different… …   Wikipedia

• Dirac equation — Quantum field theory (Feynman diagram) …   Wikipedia