Results 121 to 130 of about 7,414 (183)

Combinatorial proof of a non-renormalization theorem

open access: yesJournal of High Energy Physics
We provide a direct combinatorial proof of a Feynman graph identity which implies a wide generalization of a formality theorem by Kontsevich. For a Feynman graph Γ, we associate to each vertex a position x v ∈ ℝ and to each edge e the combination s e = a
Paul-Hermann Balduf, Davide Gaiotto
doaj   +1 more source

A ∞ action of open $$\mathcal{N}=2$$ superstring field theory

open access: yesJournal of High Energy Physics
We formulate a string field theory for open $$\mathcal{N}=2$$ strings with an A ∞ algebra structure. Starting from the BRST cohomology relative to the U(1) anti-ghost zero-mode, we generalize [arXiv:1312.2948] and constructed all interacting vertices ...
Xianghang Zhang
doaj   +1 more source

BRST quantization of the superparticle

open access: yesPhysics Letters B, 1988
Abstract We show that the quantization of the superparticle action is possible. This is done by shifts in the BRST operator and the resulting action has an infinite number of ghosts. The total BRST operator is given by an infinite sum and is shown to be nilpotent. We also obtain a BRST invariant kinetic operator that contains the dynamical, auxiliary
openaire   +1 more source

Out-of-time-order asymptotic observables are quasi-isomorphic to time-ordered amplitudes

open access: yesJournal of High Energy Physics
Asymptotic observables in quantum field theory beyond the familiar S-matrix have recently attracted much interest, for instance in the context of gravity waveforms.
Leron Borsten   +2 more
doaj   +1 more source

Infrared saturation and phases of gauge theories with BRST symmetry. [PDF]

open access: yesEur Phys J C Part Fields, 2014
Mader V   +3 more
europepmc   +1 more source

The 11D pure spinor ghost number zero vertex operator

open access: yesJournal of High Energy Physics
The 11D pure spinor worldline has been proved to successfully describe the physical states of 11D supergravity in a manifestly super-Poincaré covariant fashion.
Max Guillen   +2 more
doaj   +1 more source

Non-perturbative treatment of the linear covariant gauges by taking into account the Gribov copies. [PDF]

open access: yesEur Phys J C Part Fields, 2015
Capri MA   +3 more
europepmc   +1 more source

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