A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
× 10 × 10 × 10 × 9
a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles. There is currently no experimental evidence that proton decay.
× 9 × 9 × 9
× 9
The Green-Schwarz formalism, or the superspace-formalism, are formalisms for supersymmetry with explicit spacetime supersymmetry.
× 9 × 9
the problem of finding the path between two points such that the transit time under specified conditions is minimized.
× 9
× 9
× 9 × 9 × 9
× 9
The ground state of a quantum/classical mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system. When a quantum system has infinite…
× 9 × 8 × 8 × 8
× 8 × 8 × 8
The average length that a molecule will travel in a fluid before colliding with another molecule.
× 8
× 8
the electromagnetic shock-wave due to a charged particle traveling through a medium faster than the speed of light in that medium.
× 8
the study of quantum effects on small cavities, manifested in variations in the lifetimes of unstable energy levels
× 8 × 8
× 8 × 8 × 8 × 8
× 7 × 7
× 7
a method of isolating divergencies in scattering amplitudes.
× 7
Small bodies made of stone and/or metal found in the Solar System.