Bethe ansatz
E75706
The Bethe ansatz is a powerful method in theoretical physics for exactly solving certain one-dimensional quantum many-body systems by reducing them to algebraic equations for particle momenta.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Bethe ansatz canonical | 7 |
| algebraic Bethe ansatz | 2 |
| coordinate Bethe ansatz | 2 |
| Bethe ansatz quantization conditions | 1 |
| Bethe equations | 1 |
| nested Bethe ansatz | 1 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
exact solution technique
ⓘ
method in theoretical physics ⓘ quantum many-body method ⓘ |
| appliesTo |
exactly solvable models
ⓘ
integrable spin chains ⓘ one-dimensional quantum many-body systems ⓘ quantum lattice models ⓘ |
| basedOn | reduction to algebraic equations for particle momenta ⓘ |
| characteristicProperty |
absence of particle production in scattering
ⓘ
existence of infinitely many conserved quantities in integrable models ⓘ factorization of many-body scattering into two-body scattering ⓘ |
| computes |
correlation functions in integrable models
ⓘ
thermodynamic properties of one-dimensional systems ⓘ |
| field |
mathematical physics
ⓘ
quantum integrable systems ⓘ theoretical physics ⓘ |
| hasVariant |
quantum inverse scattering method
ⓘ
surface form:
algebraic Bethe ansatz
Bethe ansatz self-linksurface differs ⓘ
surface form:
coordinate Bethe ansatz
Bethe ansatz self-linksurface differs ⓘ
surface form:
nested Bethe ansatz
off-shell Bethe ansatz ⓘ Yang–Yang equation ⓘ
surface form:
thermodynamic Bethe ansatz
|
| introducedBy | Hans Bethe ⓘ |
| introducedFor | Heisenberg model ⓘ |
| introducedIn | 1931 ⓘ |
| relatedTo |
R-matrix formalism
ⓘ
Yang–Baxter equation ⓘ quantum groups ⓘ quantum inverse scattering method ⓘ |
| requires |
integrability of the model
ⓘ
two-body scattering matrix ⓘ |
| solves |
Heisenberg model
ⓘ
surface form:
Heisenberg spin chain
Hubbard model in one dimension ⓘ Lieb–Liniger model ⓘ XXX spin chain ⓘ XXZ spin chain ⓘ one-dimensional Bose gas with delta interaction ⓘ |
| usedIn |
AdS/CFT integrability
ⓘ
condensed matter physics ⓘ quantum field theory ⓘ statistical mechanics ⓘ string theory ⓘ |
| usesConcept |
factorized scattering
ⓘ
integrability ⓘ periodic boundary conditions ⓘ quasi-particles ⓘ scattering phases ⓘ |
| yields |
Bethe equations
ⓘ
eigenstates of the Hamiltonian ⓘ exact energy spectra ⓘ quantization conditions for momenta ⓘ |
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Hans Bethe
this entity surface form:
coordinate Bethe ansatz
this entity surface form:
nested Bethe ansatz
this entity surface form:
Bethe ansatz quantization conditions
this entity surface form:
Bethe equations
this entity surface form:
algebraic Bethe ansatz
this entity surface form:
algebraic Bethe ansatz
this entity surface form:
coordinate Bethe ansatz