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{{Short description|Mathematical object representing a physical observable}}
{{Short description|Mathematical object representing a physical observable}}


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{{Quantum methods backlink|Mathematical methods}}


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An '''operator''' is a mathematical object that acts on a [[Physics:Quantum methods/basis|basis]] or state to produce another state. In quantum theory, operators represent physical quantities such as position, momentum, and energy.
An '''operator''' is a mathematical object that acts on a [[Physics:Quantum methods/basis|basis]] or state to produce another state. In quantum theory, operators represent physical quantities such as position, momentum, and energy.


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<div style="font-size:90%;">Operators act on states to produce measurable quantities.</div>
<div style="font-size:90%;">Operators act on states to produce measurable quantities.</div>
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Revision as of 15:49, 17 May 2026


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An operator is a mathematical object that acts on a basis or state to produce another state. In quantum theory, operators represent physical quantities such as position, momentum, and energy.

Operators act on states to produce measurable quantities.
Quantum methods/operator.

Description

Operators encode the measurable properties of a system. Applying an operator to a state yields information about the corresponding physical quantity.

Properties

  • acts on states or functions
  • represents observables
  • central to quantum formalism

See also

Table of contents (217 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum methods/operator

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