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{{Short description|Phase of matter defined by global structural properties}}
{{Short description|Phase of matter defined by global structural properties}}
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{{Quantum matter backlink|Materials}}
{{Quantum matter backlink|Materials}}


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A '''topological phase''' is a [[Physics:Quantum matter/phase|phase]] of [[Physics:Quantum matter/matter|matter]] characterized by global structural properties that remain unchanged under continuous deformations.
A '''topological phase''' is a [[Physics:Quantum matter/phase|phase]] of [[Physics:Quantum matter/matter|matter]] characterized by global structural properties that remain unchanged under continuous deformations.


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<div style="font-size:90%;">Topological materials exhibit robust edge states determined by global properties.</div>
<div style="font-size:90%;">Topological materials exhibit robust edge states determined by global properties.</div>
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[[File:Topological_insulator.png|thumb|280px|Quantum materials/topological phase.]]
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Revision as of 14:23, 17 May 2026


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A topological phase is a phase of matter characterized by global structural properties that remain unchanged under continuous deformations.

Topological materials exhibit robust edge states determined by global properties.
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Quantum materials/topological phase.

Description

Unlike conventional phases, which are defined by local order (such as crystal structure), topological phases are defined by global features of the system. These features are robust against local disturbances.

Topological phases can give rise to special states at the boundaries of materials, which remain stable even in the presence of imperfections.

Properties

  • defined by global structure
  • robust against perturbations
  • not characterized by local order
  • linked to symmetry

See also

Table of contents (84 articles)

Index

Full contents

References


Author: Harold Foppele


Source attribution: Physics:Quantum materials/topological phase

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