CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION
Fleischer J, TARASOV OV (1994)
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 64(3): 413-425.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Fleischer, JochemUniBi;
TARASOV, OV
Abstract / Bemerkung
A new powerful method to calculate Feynman diagrams is proposed. It consists in setting up a Taylor series expansion in the external momenta squared (in general multivariable). The Taylor coefficients are obtained from the original diagram by differentiation and putting the external momenta equal to zero, which means a great simplification. It is demonstrated that it is possible to obtain by analytic continuation of the original series high precision numerical values of the Feynman integrals in the whole cut plane. For this purpose conformal mapping and subsequent resummation by means of Pade approximants or Levin transformation are applied.
Erscheinungsjahr
1994
Zeitschriftentitel
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
Band
64
Ausgabe
3
Seite(n)
413-425
ISSN
0170-9739
eISSN
1434-6052
Page URI
https://pub.uni-bielefeld.de/record/1642111
Zitieren
Fleischer J, TARASOV OV. CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. 1994;64(3):413-425.
Fleischer, J., & TARASOV, O. V. (1994). CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 64(3), 413-425. https://doi.org/10.1007/BF01560102
Fleischer, Jochem, and TARASOV, OV. 1994. “CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION”. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 64 (3): 413-425.
Fleischer, J., and TARASOV, O. V. (1994). CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 64, 413-425.
Fleischer, J., & TARASOV, O.V., 1994. CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 64(3), p 413-425.
J. Fleischer and O.V. TARASOV, “CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION”, ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, vol. 64, 1994, pp. 413-425.
Fleischer, J., TARASOV, O.V.: CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. 64, 413-425 (1994).
Fleischer, Jochem, and TARASOV, OV. “CALCULATION OF FEYNMAN DIAGRAMS FROM THEIR SMALL MOMENTUM EXPANSION”. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 64.3 (1994): 413-425.
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