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  • {{short description|Statistical lattice model with long-range interactions}} ...chain]], which only includes interactions between neighboring sites of the lattice, the Haldane–Shastry model has ''long-range'' interactions, that is, intera ...
    3 KB (355 words) - 09:51, 14 November 2024
  • ..., it is [[Integrable system|integrable]] only on one and two-dimensional [[Lattice model (physics)|lattices]], in several special cases. ...|Kramers–Wannier]] sense and thus [[Critical phenomena|critical]], and the lattice is such that there are two possible 'weights' <math> x_k^1</math> and <math ...
    5 KB (933 words) - 06:09, 1 May 2024
  • ...d on a lattice with <math>N</math> states on each site. The [[Hamiltonian (quantum mechanics)|Hamiltonian]] of this model is Here, the subscripts refer to lattice sites, and the sum <math>\sum_{\langle i, j \rangle}</math> is done over pa ...
    5 KB (872 words) - 19:09, 27 April 2024
  • {{Short description|Quantum mechanical model with coupled spins ...''' is a one-dimensional [[quantum mechanics|quantum]] [[Heisenberg model (quantum)|Heisenberg spin model]] in which the nearest-neighbour antiferromagnetic e ...
    5 KB (759 words) - 17:21, 13 January 2025
  • ...ies and modular tensor categories to the [[algebraic theory of topological quantum information]], this theorem has found various uses within [[mathematical ph == Interpretation in terms of topological quantum field theory == ...
    5 KB (739 words) - 07:53, 1 March 2025
  • {{Short description|Mathematical mapping in quantum mechanics}} .../BF01331938}}.</ref> for one-dimensional [[Lattice model (physics)|lattice models]], but now two-dimensional analogues of the transformation have also been c ...
    6 KB (942 words) - 14:30, 8 December 2024
  • {{Short description|Type of model in quantum statistical physics}} ...ed sites on a [[lattice (group)|lattice]]. A prototypical example is the [[quantum Heisenberg model]]. Interactions between the sites are modelled by [[operat ...
    8 KB (1,196 words) - 17:54, 29 January 2025
  • ...example is the [[Toric code|toric code model]], which is a special case of quantum double model by setting input group as cyclic group <math>\mathbb{Z}_2</mat == Kitaev quantum double model == ...
    8 KB (1,242 words) - 12:02, 27 February 2025
  • ...tal structure|crystal lattice]]. The energy of the electrons in the "empty lattice" is the same as the energy of free electrons. The model is useful because i ...ice-Approximation.svg|thumb|400px|Free electron bands in a one dimensional lattice]] ...
    8 KB (1,269 words) - 16:25, 13 January 2024
  • {{Short description|Type of symmetry in quantum theory}} ...er]] are accidental symmetries, while in [[lattice model (physics)|lattice models]], [[rotational invariance]] is accidental. ...
    5 KB (716 words) - 09:34, 13 October 2023
  • {{short description|Statistical lattice model with long-range interactions}} ...chain]], which only includes interactions between neighboring sites of the lattice, the Inozemtsev model has ''long-range'' interactions, that is, interaction ...
    6 KB (901 words) - 06:20, 19 November 2024
  • ...imilar spin-models such as the [[Ising model]] and the [[Heisenberg model (quantum)|Heisenberg model]] in that it includes a term analogous to [[kinetic energ ...d [[electrons]] in low-energy states.<ref name="sachdev">{{Cite book|title=Quantum Phase Transitions |last=Sachdev |first=Subir |url=https://books.google.com/ ...
    5 KB (757 words) - 17:08, 30 January 2022
  • {{Short description|Method used to solve integrable many-body quantum systems}} ...|last1=Takhtadzhan |first1=L A |last2=Faddeev |first2=Lyudvig D |title=The Quantum Method of the Inverse Problem and the Heisenberg Xyz Model |journal=Russian ...
    6 KB (819 words) - 20:40, 9 November 2024
  • ...ation of the non-fermi-liquid state of Sachdev-Ye-Kitaev model|journal=npj Quantum Information |volume=5|pages=53|doi= 10.1038/s41534-019-0166-7|arxiv=1712.06 [[Category:Lattice models]] ...
    5 KB (703 words) - 11:51, 1 February 2024
  • {{Short description|Conjecture about possible critical theories for quantum lattice Hamiltonians}} ...the upper bound of the central charge for one-dimensional quantum critical lattice Hamiltonians with nearest-neighbor interactions: ...
    10 KB (1,363 words) - 03:08, 29 November 2024
  • ...invariant]]s such as the [[Berry phase]] and [[Chern number]]s as in the [[Quantum Hall effect]]. ...energy, <math>\theta</math> is the twisting angle, and N is the number of lattice sites. ...
    5 KB (770 words) - 22:15, 23 June 2024
  • ...8/1751-8113/47/45/452001|title=Parafermionic conformal field theory on the lattice|first1=Roger S K|last1=Mong|first2=David J|last2=Clarke|first3=Jason|last3= ...= 4/5 </math>, and thus belongs to the discrete family of unitary minimal models with central charge less than one. These conformal field theories are fully ...
    9 KB (1,435 words) - 19:17, 27 April 2024
  • ...putational [[Solid-state physics|solid state physics]], '''Continuous-time quantum Monte Carlo''' ('''CT-QMC''') is a family of [[stochastic]] [[algorithm]]s ...ntroduced to distinguish the method from the then-predominant [[Hirsch–Fye quantum Monte Carlo]] method,<ref name=rubtsov05/> which relies on a [[Lie–Trotter ...
    8 KB (1,118 words) - 16:35, 6 March 2023
  • ...It is the inspiration for cluster algorithms used in [[Quantum Monte Carlo|quantum monte carlo]] simulations. ...own whether this algorithm can be generalized for arbitrary [[spin glass]] models. ...
    6 KB (907 words) - 18:40, 11 January 2022
  • ...el''' is a quantum version of the classical [[Ising model]]. It features a lattice with nearest neighbour interactions determined by the alignment or anti-ali ...is means classical statistical mechanics cannot describe this model, and a quantum treatment is needed. ...
    10 KB (1,595 words) - 22:22, 20 November 2024
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