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Teori medan kuantum

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Revisi sejak 13 Oktober 2017 08.55 oleh Pierrewee (bicara | kontrib) (TantanganMingguan)
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Dalam fisika teoritis, teori medan kuantum (bahasa Inggris: quantum field therory atau QFT) adalah kerangka teoretis untuk membangun model mekanika kuantum dari partikel subatomik dalam fisika partikel dan kuasipartikel di fisika benda terkondensasi. It is a set of notions and mathematical tools that combines classical fields, special relativity, and quantum mechanics[1], and, when combined with the cluster decomposition principle,[2] it may be the only way to do so,[3] while retaining the ideas of quantum point particles and locality. QFT was historically widely believed to be truly fundamental. It is now believed, primarily due to the continued failures of quantization of general relativity, to be only a very good low-energy approximation, i.e. an effective field theory, to some more fundamental theory.

Catatan

  1. ^ Peskin & Scroeder 1995, Preface.
  2. ^ It is related with, but not identical to the notion of causality. It says in effect, distant experiments yield uncorrelated results.
  3. ^ Weinberg 1995, Preface.

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