Lorentz-invariant quantity

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• Lorentz invariant — noun A quantity that does not change due to a Lorentz transformation; a quantity that is independent of the inertial frame …   Wiktionary

• Lorentz covariance — In standard physics, Lorentz covariance is a key property of spacetime that follows from the special theory of relativity, where it applies globally. Local Lorentz covariance refers to Lorentz covariance applying only locally in an infinitesimal… …   Wikipedia

• Lorentz transformation — A visualisation of the Lorentz transformation (full animation). Only one space coordinate is considered. The thin solid lines crossing at right angles depict the time and distance coordinates of an observer at rest with respect to that frame; the …   Wikipedia

• Lorentz interval — The Lorentz interval is a quantity that is used instead of distance when dealing with space time geometry, because it is the only quantity that is the same to all observers regardless of how fast they are moving in spacetime, that is, in all… …   Wikipedia

• de Sitter invariant special relativity — In mathematical physics, de Sitter invariant special relativity is the speculative idea that the fundamental symmetry group of spacetime is the Indefinite orthogonal group SO(4,1), that of de Sitter space. In the standard theory of General… …   Wikipedia

• Adiabatic invariant — An adiabatic invariant is a property of a physical system which stays constant when changes are made slowly.In thermodynamics, an adiabatic process is a change that occurs without heat flow and slowly compared to the time to reach equilibrium. In …   Wikipedia

• Fermionic field — In quantum field theory, a fermionic field is a quantum field whose quanta are fermions; that is, they obey Fermi Dirac statistics. Fermionic fields obey canonical anticommutation relations rather than the canonical commutation relations of… …   Wikipedia

• Four-momentum — In special relativity, four momentum is the generalization of the classical three dimensional momentum to four dimensional spacetime. Momentum is a vector in three dimensions; similarly four momentum is a four vector in spacetime. The… …   Wikipedia

• Energy-momentum relation — In special relativity, the energy momentum relation is a relation between the energy, momentum and the mass of a body:: E^2 = m^2 c^4 + p^2 c^2 , ;where c is the speed of light, E ; is total energy, m ; is invariant mass, and p; is momentum.For a …   Wikipedia

• Mass in special relativity — incorporates the general understandings from the concept of mass energy equivalence. Added to this concept is an additional complication resulting from the fact that mass is defined in two different ways in special relativity: one way defines… …   Wikipedia

• Mass–energy equivalence — E=MC2 redirects here. For other uses, see E=MC2 (disambiguation). 4 meter tall sculpture of Einstein s 1905 E = mc2 formula at the 2006 Walk of Ideas, Berlin, Germany In physics, mass–energy equivalence is the concept that the …   Wikipedia