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- Q5370778 subject Q7849584.
- Q5370778 abstract "In physics, lattice field theory is the study of lattice models of quantum field theory, that is, of field theory on a spacetime that has been discretized onto a lattice. Although most lattice field theories are not exactly solvable, they are of tremendous appeal because they can be studied by simulation on a computer. One hopes that, by performing simulations on larger and larger lattices, while making the lattice spacing smaller and smaller, one will be able to recover the behaviour of the continuum theory. Just as in all lattice models, numerical simulation gives access to field configurations that are not accessible to perturbation theory, such as solitons. Likewise, non-trivial vacuum states can be discovered and probed. The method is particularly appealing for the quantization of a gauge theory. Most quantization methods keep Poincaré invariance manifest but sacrifice manifest gauge symmetry by requiring gauge fixing. Only after renormalization can gauge invariance be recovered. Lattice field theory differs from these in that it keeps manifest gauge invariance, but sacrifices manifest Poincaré invariance— recovering it only after renormalization. The articles on lattice gauge theory and lattice QCD explore these issues in greater detail.".
- Q5370778 wikiPageExternalLink fermiqcd.net.
- Q5370778 wikiPageWikiLink Q1047702.
- Q5370778 wikiPageWikiLink Q1066449.
- Q5370778 wikiPageWikiLink Q10886678.
- Q5370778 wikiPageWikiLink Q1096885.
- Q5370778 wikiPageWikiLink Q1957758.
- Q5370778 wikiPageWikiLink Q214850.
- Q5370778 wikiPageWikiLink Q2346142.
- Q5370778 wikiPageWikiLink Q386769.
- Q5370778 wikiPageWikiLink Q413.
- Q5370778 wikiPageWikiLink Q4394145.
- Q5370778 wikiPageWikiLink Q464949.
- Q5370778 wikiPageWikiLink Q54505.
- Q5370778 wikiPageWikiLink Q6166044.
- Q5370778 wikiPageWikiLink Q766202.
- Q5370778 wikiPageWikiLink Q7849584.
- Q5370778 wikiPageWikiLink Q832289.
- Q5370778 comment "In physics, lattice field theory is the study of lattice models of quantum field theory, that is, of field theory on a spacetime that has been discretized onto a lattice. Although most lattice field theories are not exactly solvable, they are of tremendous appeal because they can be studied by simulation on a computer.".
- Q5370778 label "Lattice field theory".