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No radiative generation of Chern-Simons-like term in Lorentz-violating QED: dealing with IR divergences
(Journal of High Energy Physics, 2018)
Negative dimensional integration: Lab testing at two loops
(1997-12-01)
Negative dimensional integration method (NDIM) is a technique to deal with D-dimensional Feynman loop integrals. Since most of the physical quantities in perturbative Quantum Field Theory (pQFT) require the ability of ...
Negative dimensional integration: Lab testing at two loops
(1997-12-01)
Negative dimensional integration method (NDIM) is a technique to deal with D-dimensional Feynman loop integrals. Since most of the physical quantities in perturbative Quantum Field Theory (pQFT) require the ability of ...
Counterterms in semiclassical Hořava-Lifshitz gravity
(Springer, 2010-08)
We analyze the semiclassical Hořava-Lifshitz gravity for quantum scalar fields in 3 + 1 dimensions. The renormalizability of the theory requires that the action of the scalar field contains terms with six spatial derivatives ...
Glue-and-cut at five loops
(2021-09-01)
We compute ε-expansions around 4 dimensions of a complete set of master integrals for momentum space five-loop massless propagator integrals in dimensional regularization, up to and including the first order with contributions ...
Worldline approach to the Grosse-Wulkenhaar model
(Springer, 2014-11)
We apply the worldline formalism to the Grosse-Wulkenhaar model and obtain an expression for the one-loop effective action which provides an efficient way for computing Schwinger functions in this theory. Using this ...
Noncommutative U(1) gauge theory from a worldline perspective
(Springer, 2015-11)
Abstract: We study pure noncommutative U(1) gauge theory representing its one-loop effective action in terms of a phase space worldline path integral. We write the quadratic action using the background field method to keep ...