Peierls substitution

E136242

Peierls substitution is a quantum mechanical method for incorporating the effects of an external electromagnetic field into the momentum of charged particles in lattice or solid-state systems.

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Peierls substitution canonical 2

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Predicate Object
instanceOf quantum mechanical method
solid-state physics technique
theoretical physics concept
actsOn crystal momentum of electrons
hopping terms in tight-binding Hamiltonians
appliesTo electrons in solids
lattice systems
tight-binding models
approximationType effective low-energy description
semi-classical approximation
assumes slowly varying electromagnetic fields on lattice scale
basedOn minimal coupling prescription
captures effect of magnetic field via Peierls phase
orbital coupling of electrons to magnetic field
category electromagnetic coupling method in lattices
quantum lattice modeling technique
domain lattice gauge theory (effective, non-fundamental use)
theoretical modeling
effect encodes magnetic flux through lattice plaquettes
introduces complex phase factors in hopping amplitudes
field condensed matter physics
quantum mechanics
solid-state physics
formalism replaces hopping t by t·exp(i phase from vector potential)
replaces momentum operator p by p − qA in lattice context
historicalContext introduced in early development of solid-state quantum theory
limitations approximate for strong-field, short-wavelength regimes
less accurate for rapidly varying fields
namedAfter Rudolf Peierls
purpose incorporate external electromagnetic field effects
modify particle momentum in a lattice
relatedTo Aharonov–Bohm effect
surface form: Aharonov–Bohm effect in lattices

gauge invariance
minimal coupling in continuum
vector potential of electromagnetic field
usedFor describing electron dynamics in magnetic fields
introducing gauge fields in lattice Hamiltonians
modeling charged particles in periodic potentials
studying Bloch electrons in magnetic fields
studying Hofstadter butterfly spectrum
studying quantum Hall effects in lattice models
usedIn modeling graphene in magnetic fields
modeling superconducting vortex lattices (effective lattice models)
modeling topological insulators on lattices
numerical simulations of lattice electrons in fields
validIn non-relativistic quantum mechanics
tight-binding approximation

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Full triples — surface form annotated when it differs from this entity's canonical label.

Rudolf Peierls notableIdea Peierls substitution
Peierls notableConcept Peierls substitution
subject surface form: Rudolf Peierls