unphysical
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unphysical — adj.; unphysically, adv. * * * … Universalium
unphysical — adjective Not physical … Wiktionary
unphysical — Synonyms and related words: airy, asomatous, astral, bodiless, decarnate, decarnated, discarnate, disembodied, ethereal, extramundane, ghostly, immaterial, impalpable, imponderable, incorporate, incorporeal, insubstantial, intangible,… … Moby Thesaurus
unphysical — un·physical … English syllables
unphysical — |ən+ adjective 1. : not physical : mental, spiritual 2. : not according with the doctrines or methods of physics … Useful english dictionary
Gauge fixing — Quantum field theory (Feynman diagram) … Wikipedia
BRST quantization — In theoretical physics, BRST quantization (where the BRST refers to Becchi, Rouet, Stora and Tyutin) is a relatively rigorous mathematical approach to quantizing a field theory with a gauge symmetry. Quantization rules in earlier QFT frameworks… … Wikipedia
Dirac bracket — The Dirac bracket is a generalization of the Poisson bracket developed by Paul Dirac to correctly treat systems with second class constraints in Hamiltonian mechanics and canonical quantization. It is an important part of Dirac s development of… … Wikipedia
Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle … Wikipedia
Energy condition — In relativistic classical field theories of gravitation, particularly general relativity, an energy condition is one of various alternative conditions which can be applied to the matter content of the theory, when it is either not possible or… … Wikipedia
