A new method of calculating massive Feynman diagrams; Vertex-type functions
Journal Article
·
· International Journal of Modern Physics A; (United States)
- Inst. for Theoretical Physics, Kiev-130 (SU)
In this paper, the authors extend the recently invented method of calculating massive Feynman integrals, namely the differential equations method, to vertex-type diagrams. As an example, for calculations of one- and two-loop diagrams the authors show that by analogy with propagator-type diagrams this method is a simple procedure for evaluating the result without calculating D-space integrals (for dimensional regularization).
- OSTI ID:
- 5208969
- Journal Information:
- International Journal of Modern Physics A; (United States), Journal Name: International Journal of Modern Physics A; (United States) Vol. 7:9; ISSN 0217-751X; ISSN IMPAE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
661100 -- Classical & Quantum Mechanics-- (1992-)
662110* -- General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CALCULATION METHODS
DIAGRAMS
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
EQUATIONS
FEYNMAN DIAGRAM
FEYNMAN PATH INTEGRAL
FUNCTIONS
INTEGRALS
MASS SPECTRA
MATHEMATICAL SPACE
PROPAGATOR
SPACE
SPECTRA
VERTEX FUNCTIONS
WILSON LOOP
662110* -- General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CALCULATION METHODS
DIAGRAMS
DIFFERENTIAL EQUATIONS
ELEMENTARY PARTICLES
EQUATIONS
FEYNMAN DIAGRAM
FEYNMAN PATH INTEGRAL
FUNCTIONS
INTEGRALS
MASS SPECTRA
MATHEMATICAL SPACE
PROPAGATOR
SPACE
SPECTRA
VERTEX FUNCTIONS
WILSON LOOP