| 词汇 | quantum-field-theory |
| 释义 | BETA quantum field theorycollocation in Englishmeanings of quantum, fieldand theoryThese words are often used together. Click on the links below to explore the meanings. quantum noun[ C ] uk /ˈkwɒn.təm/ us /ˈkwɑːn.t̬əm/ the smallest amount or unit of something, ... See more at quantum field noun uk /fiːld/ us /fiːld/ an area of land, used for growing crops or keeping animals, usually surrounded by ... See more at field theory noun[ C or U ] uk /ˈθɪə.ri/ us /ˈθɪr.i/ a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion ... See more at theory Examples of quantum field theoryquantum field theory But quantumfieldtheory tells us that there is now no way at all whereby the fields can be evacuated from a chamber. When does a quantumfieldtheory describe particles? We denote the quantum ground state of the vacuum in quantumfieldtheory by the state vector 60. Indeed, this is the route that (special-)relativistic quantumfieldtheory has taken. From the physicist's point of view, topological quantumfieldtheory is believed by many researchers to be relevant for quantum gravity. Is it possible to retain the classical vacuum even in quantumfieldtheory? The case is different in quantumfieldtheory. For instance, the authors reverse some of the applications of maps to get new tools for map enumeration (including quantumfieldtheory in relation to matrix integrals and map enumeration). We will show, in particular, how its epistemological position has changed from being just a 'tool' to being the basis of definition for objects in quantumfieldtheory. More recently, quantumfieldtheory, which is the theory of elementary particles, is mostly perturbative, and certainly its most spectacular successes are down to perturbation theory. Attacking the problem at the perturbative level led to the modern quantumfieldtheory, and to one of the most exciting pieces of twentieth century science. Quantumfieldtheory gives us a very different picture of the vacuum than that given to us by classical physics. Like quantum electrodynamics and quantumfieldtheory, they were considered somewhat lofty, not the solid business of the ordinary nuclear researcher as understood by the contemporary no-joke type of physicist. He investigates quantumfieldtheory, especially algebraic quantumfieldtheory. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For this reason, the terms are often used interchangeably in the context of quantumfieldtheory, even though the scale symmetry is larger. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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