| 单词 | quantum field theory |
| 释义 | quantum field theorynoun Physics.any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated. Origin of quantum field theoryFirst recorded in 1945–50 Words nearby quantum field theoryquantum computer, quantum cryptography, quantum efficiency, quantum electrodynamics, quantum electronics, quantum field theory, quantum flavourdynamics, quantum gravity, quantum jump, quantum leap, quantum mechanics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for quantum field theoryquantum field theory nounphysics quantum mechanical theory concerned with elementary particles, which are represented by fields whose normal modes of oscillation are quantized Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for quantum field theoryquantum field theory The application of quantum mechanics to physical systems described by fields, such as electromagnetic fields. Quantum field theory was developed to overcome certain deficiencies in Schrödinger's equation, in particular the fact that it was not consistent with special relativity and was difficult to apply to systems involving many particles or to the creation and destruction of particles. See also quantum chromodynamics quantum electrodynamics. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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