the classical Heisenberg model, developed by Werner Heisenberg, is the n = 3 {\displaystyle n=3} case of the n-vector model, one of the models used to...
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The quantum Heisenberg model, developed by Werner Heisenberg, is a statistical mechanical model used in the study of critical points and phase transitions...
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Heisenberg model can refer to two models in statistical mechanics: Heisenberg model (classical), a classical nearest neighbour spin model Heisenberg model...
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The classical XY model (sometimes also called classical rotor (rotator) model or O(2) model) is a lattice model of statistical mechanics. In general,...
31 KB (4,861 words) - 09:54, 13 November 2024
algebra Heisenberg–Langevin equations Heisenberg limit Heisenberg's microscope Heisenberg model (classical) Heisenberg model (quantum) Heisenberg picture...
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T=0} and T → ∞ {\displaystyle T\rightarrow \infty } ). In the classical Heisenberg model of magnetism, the order parameter has a higher symmetry, and it...
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Werner Karl Heisenberg (/ˈhaɪzənbɜːrɡ/; German: [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ; 5 December 1901 – 1 February 1976) was a German theoretical physicist, one...
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frustrated magnet Classical Heisenberg model Quantum Heisenberg model Hopfield net Ising critical exponents J. C. Ward Kuramoto model Maximal evenness...
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models - like the Ising model - which are commutative variables. ANNNI model Bethe ansatz Ising model Classical Heisenberg model Quantum Heisenberg model...
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field theory. Ising model ANNNI model Potts model Chiral Potts model XY model Classical Heisenberg model n-vector model Vertex model Toda lattice cellular...
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Density matrix renormalization group (redirect from DMRG of the Heisenberg model)
step. After succeeding with the toy model, the DMRG method was tried with success on the quantum Heisenberg model. The main problem of quantum many-body...
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Uncertainty principle (redirect from Heisenberg Uncertainty Principle)
The uncertainty principle, also known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a...
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= 2 {\displaystyle v=2} classical Heisenberg correlations Consider the two-dimensional classical Heisenberg model. Prove that for any beta, correlations...
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above the cut a classical description is used. The Heisenberg cut is a theoretical construct; it is not known whether actual Heisenberg cuts exist, where...
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the classical Heisenberg model. For n = 2 {\displaystyle n=2} , this is the continuum limit of the classical XY model. See also the n-vector model and...
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null-homotopic. Belt trick has been theoretically constructed in 1-d Classical Heisenberg model as a breather solution. Anti-twister mechanism Spin–statistics...
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In mathematics, the Heisenberg group H {\displaystyle H} , named after Werner Heisenberg, is the group of 3×3 upper triangular matrices of the form ( 1...
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generalization of the Ising model, XY model and Heisenberg model. In the n-vector model, n-component unit-length classical spins s i {\displaystyle \mathbf...
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Spin wave (redirect from Classical Heisenberg ferromagnet model (spin chain))
plus any "molecular" field. Note that in the classical continuum case and in 1 + 1 dimensions the Heisenberg ferromagnet equation has the form S t = S ×...
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Copenhagen interpretation (redirect from Copenhagen model)
Werner Heisenberg, Max Born, and others. While "Copenhagen" refers to the Danish city, the use as an "interpretation" was apparently coined by Heisenberg during...
81 KB (9,933 words) - 13:31, 6 November 2024
Umdeutung paper (redirect from Heisenberg's entryway to matrix mechanics)
The classical equations that Heisenberg hoped to use to form quantum theoretical equations would first yield the amplitudes, and in classical physics...
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decoherence does not reduce it to a single eigenstate. Historically, Werner Heisenberg was the first to use the idea of wave function reduction to explain quantum...
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Quantum mechanics (redirect from Classical Quantum Mechanics)
quantum mechanics in the mid-1920s by Niels Bohr, Erwin Schrödinger, Werner Heisenberg, Max Born, Paul Dirac and others. The modern theory is formulated in various...
99 KB (12,082 words) - 22:47, 20 November 2024
The Majumdar–Ghosh model is a one-dimensional quantum Heisenberg spin model in which the nearest-neighbour antiferromagnetic exchange interaction is twice...
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LLE (3) turns into the continuous classical Heisenberg ferromagnet equation (see e.g. Heisenberg model (classical)) which is already integrable. Nonlinear...
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Niels Bohr (section Meeting with Heisenberg)
Como in September 1927, Bohr emphasised that Heisenberg's uncertainty relations could be derived from classical considerations about the resolving power of...
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but forsaking any attempt to explain radiation according to classical physics. The model's key success lies in explaining the Rydberg formula for hydrogen's...
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Bethe ansatz (category Exactly solvable models)
antiferromagnetic isotropic (XXX) Heisenberg model. Since then the method has been extended to other spin chains and statistical lattice models. "Bethe ansatz problems"...
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Matrix mechanics (redirect from Heisenberg matrix mechanics)
Matrix mechanics is a formulation of quantum mechanics created by Werner Heisenberg, Max Born, and Pascual Jordan in 1925. It was the first conceptually autonomous...
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Integrable system (redirect from Exactly solvable model)
Boussinesq equation (water waves) Camassa–Holm equation Classical Heisenberg ferromagnet model (spin chain) Degasperis–Procesi equation Dym equation Garnier...
28 KB (3,405 words) - 22:46, 4 October 2024