nLab
superposition

Context

Physics

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Surveys, textbooks and lecture notes

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Contents

Idea

In quantum theory the state of a physical system is given by a vector in a complex vector space (usually a Hilbert space). This means that given any two states ψ 1\psi_1 and ψ 2\psi_2, also their sum as vectors ψ 1+ψ 2\psi_1 + \psi_2 is represents a state. This is called the superposition of the two states.

Last revised on January 23, 2014 at 06:24:28. See the history of this page for a list of all contributions to it.