General physics

General physics

Terms realting to physics that are not fit for other subcategories.

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General physics

Wave vector

Physics; General physics

In physics, a wave vector (also spelled wavevector) is a vector which helps describe a wave.

Density matrix

Physics; General physics

A density matrix is a matrix that describes a quantum system in a mixed state, a statistical ensemble of several quantum states.

Many-worlds interpretation

Physics; General physics

The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wave function, but denies the actuality of wave function collapse.

In physics, the scattering matrix relates the initial state and the final state of a physical system undergoing a scattering process. It is used in quantum mechanics, scattering theory and quantum ...

Wave function collapse

Physics; General physics

In quantum mechanics, wave function collapse is the phenomenon in which a wave function appears to reduce to a single one of those states after interaction with an observer.

Coherent states

Physics; General physics

In quantum mechanics a coherent state is the specific quantum state of the quantum harmonic oscillator whose dynamics most closely resembles the oscillating behavior of a classical harmonic ...