Definition of Counterterm. Meaning of Counterterm. Synonyms of Counterterm

Here you will find one or more explanations in English for the word Counterterm. Also in the bottom left of the page several parts of wikipedia pages related to the word Counterterm and, of course, Counterterm synonyms and on the right images related to the word Counterterm.

Definition of Counterterm

Counterterm
Counterterm Coun"ter*term` (-t?rm`), n. A term or word which is the opposite of, or antithesis to, another; an antonym; -- the opposite of synonym; as, ``foe' is the counterterm of ``friend'. --C. J. Smith.

Meaning of Counterterm from wikipedia

- the second term (or by the similar counterterms that come from Z0 and Z3). The diagram with the Z1 counterterm's interaction vertex placed as in Figure...
- (Conformal anomaly) and therefore this action has to be supplemented with a counterterm, along with a hypothetical purely topological term, proportional to the...
- are, in perturbation theory, infinitely many independent parameters (counterterm coefficients) needed to define the theory. For a given choice of those...
- renormalized quantities, while the latter three terms are referred to as "counterterms". As the Lagrangian now contains more terms, so the Feynman diagrams...
- Lagrangian of a quantum field theory so as to eliminate an infinite series of counterterms that would otherwise result. 1951 Clemens C. J. Roothaan and George G...
- absorbing only the divergent part of the radiative corrections into the counterterms. In the similar and more widely used modified minimal subtraction, or...
- add a term to the free field Lagrangian which must be cancelled by a counterterm in the interaction Lagrangian, that then shows up as a two-line vertex...
- correlation function up to a certain order in e {\displaystyle e} , the counterterms can be defined, and they are going to absorb the divergent contributions...
- theory by introducing additional fields (the Faddeev–Popov ghosts) and counterterms motivated by anomaly cancellation, in an approach known as BRST quantization...
- ^{2}<8\pi } , where a finite number of counterterms are needed to render the theory well-posed. More counterterms are needed for each threshold n n + 1...