- In
physics and mathematics, an
ansatz (/ˈænsæts/; German: [ˈʔanzats], meaning: "initial
placement of a tool at a work piece",
plural Ansätze /ˈænsɛtsə/;...
- In physics, the
Bethe ansatz is an
ansatz method for
finding the
exact wavefunctions of
certain one-dimensional
quantum many-body models. It was invented...
- In mathematics, the Gibbons–Hawking
ansatz is a
method of
constructing gravitational instantons introduced by Gary
Gibbons and
Stephen Hawking (1978, 1979)...
-
Heisenberg model in one
dimension may be
solved exactly using the
Bethe ansatz. In the
algebraic formulation,
these are
related to
particular quantum affine...
- Bekenstein–Hawking
formula Hawking energy Hawking–Page
phase transition Gibbons–Hawking
ansatz Gibbons–Hawking
effect Gibbons–Hawking
space Gibbons–Hawking–York boundary...
-
undetermined functions of the
isotropic coordinate r, is
often used as a
metric Ansatz in
deriving static spherically symmetric solutions in
general relativity...
- dimension, and for
other models solvable by
Bethe ansatz. The
ground state in
models solvable by
Bethe ansatz is a
Fermi sphere. The
Pauli exclusion principle...
-
wavefunction of the coupled-cluster
theory is
written as an
exponential ansatz: | Ψ ⟩ = e T | Φ 0 ⟩ , {\displaystyle |\Psi \rangle =e^{T}|\Phi _{0}\rangle...
- The
density matrix renormalization group (DMRG) is a
numerical variational technique devised to
obtain the low-energy
physics of
quantum many-body systems...
- {\displaystyle \chi _{6}=\{1,-1\}} . The
isogonal dodecagons of the
multiplicative ansatz criterion of
hexagonal symmetry containing the Ishlinsky-Ivlev criterion...
