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{{Short description|Study of systems with many interacting particles}}
{{Short description|Study of systems with many interacting particles}}
{{Quantum book backlink|Field and many-body methods}}
{{Quantum methods backlink|Field and many-body methods}}
{{Quantum methods backlink|Field and many-body methods}}


Revision as of 22:20, 17 May 2026

← Back to Field and many-body methods Book III

Many-body theory studies quantum systems consisting of a large number of interacting particles.

Many-body systems exhibit collective behavior not present in single-particle systems.
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Quantum methods/many-body.

Overview

Exact solutions are usually impossible, requiring approximation methods such as perturbation theory and numerical techniques.

Key concepts

  • Collective excitations
  • Quasiparticles
  • Emergent phenomena

Applications

Condensed matter physics, nuclear physics, and quantum computing.

See also

Table of contents (217 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum Many-body theory

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