Results 51 to 60 of about 700,670 (248)
Minimal Gauge Invariant Classes of Tree Diagrams in Gauge Theories [PDF]
, 1999 We describe the explicit construction of groves, the smallest gauge invariant classes of tree Feynman diagrams in gauge theories. The construction is valid for gauge theories with any number of group factors which may be mixed.
D. Bardin +5 more
core +3 more sources
Stochastic diagrams and Feynman diagrams [PDF]
Nuclear Physics B, 1985 Abstract We study the relationship between ordinary perturbation theory and perturbation theory obtained from stochastic quantization. We give a simple proof that, except in gauge theories, the several stochastic diagrams of a given topology are together equivalent to the corresponding Feynman diagram.
H. Hüffel, P.V. Landshoff
openaire +1 more source
On the interpretation of Feynman diagrams, or, did the LHC experiments observe H → γγ? [PDF]
European Journal for Philosophy of Science, 2018 According to the received view Feynman diagrams are a bookkeeping device in complex perturbative calculations. Thus, they do not provide a representation or model of the underlying physical process.
O. Passon
semanticscholar +1 more source
Identification of perturbative ambiguity canceled against bion
Physics Letters B, 2020 It was conjectured that bions, semi-classical objects found in a compactified spacetime, are responsible for the cancellation of the so-called renormalon ambiguities.
Okuto Morikawa, Hiromasa Takaura
doaj +1 more source
Labelled tree graphs, Feynman diagrams and disk integrals [PDF]
, 2017 A bstractIn this note, we introduce and study a new class of “half integrands” in Cachazo-He-Yuan (CHY) formula, which naturally generalize the so-called Parke-Taylor factors; these are dubbed Cayley functions as each of them corresponds to a labelled ...
Xiangrui Gao, Song He, Yong Zhang
semanticscholar +1 more source
Operator approach to analytical evaluation of Feynman diagrams
, 2007 The operator approach to analytical evaluation of multi-loop Feynman diagrams is proposed. We show that the known analytical methods of evaluation of massless Feynman integrals, such as the integration by parts method and the method of "uniqueness ...
A. B. Zamolodchikov +21 more
core +1 more source
Angewandte Chemie, EarlyView.This study explores the origins of life by linking prebiotic chemistry, the emergence of information‐carrying molecules such as RNA and proteins, and philosophical questions about consciousness. The study emphasizes the role of molecular evolution in the Central Dogma and provides insights into the chemical origins of biology and the basis of life's ...
Harald Schwalbe +5 more
wiley +2 more sources
Renormalized asymptotic enumeration of Feynman diagrams [PDF]
, 2017 A method to obtain all-order asymptotic results for the coefficients of perturbative expansions in zero-dimensional quantum field is described. The focus is on the enumeration of the number of skeleton or primitive diagrams of a certain QFT and its ...
M. Borinsky
semanticscholar +1 more source
Position space equations for generic Feynman graphs
Physics Letters BWe propose an extension of the position space approach to Feynman integrals from the banana family to generic Feynman diagrams. Our approach is based on omitting integration in position space and then writing differential equations for the products of ...
V. Mishnyakov, A. Morozov, M. Reva
doaj +1 more source
Fast evaluation of Feynman diagrams [PDF]
Physical Review D, 2000 uses feynmp macros; v2 contains improved description of renormalization, plus other minor ...
Easther, Richard +2 more
openaire +2 more sources