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Reference.org
Lattice field theory
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<p>In <a href="/facts/Physics/a7aH2y08">physics</a>, lattice field theory is the study of <a href="/facts/Lattice_model_(physics)/TY3bVAhk">lattice models</a> of <a href="/facts/Quantum_field_theory/VoewsNJV">quantum field theory</a>. This involves studying field theory on a space or spacetime that has been discretised onto a <a href="/facts/Lattice_(group)/2ls9Iv9N">lattice</a>. </p>