Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Arnone, Stefano"'
Publikováno v:
Fields Inst.Commun.50:1,2007
We construct a manifestly gauge invariant Exact Renormalization Group for SU(N) Yang-Mills theory, in a form suitable for calculations without gauge fixing at any order of perturbation theory. The effective cutoff is incorporated via a manifestly rea
Externí odkaz:
http://arxiv.org/abs/hep-th/0606181
Publikováno v:
Eur.Phys.J.C50:467-504,2007
We take the manifestly gauge invariant exact renormalisation group previously used to compute the one-loop beta function in SU(N) Yang-Mills without gauge fixing, and generalise it so that it can be renormalised straightforwardly at any loop order. T
Externí odkaz:
http://arxiv.org/abs/hep-th/0507154
Publikováno v:
JHEP 0510 (2005) 115
We uncover a method of calculation that proceeds at every step without fixing the gauge or specifying details of the regularisation scheme. Results are obtained by iterated use of integration by parts and gauge invariance identities. Calculations can
Externí odkaz:
http://arxiv.org/abs/hep-th/0505169
We sketch the construction of a gauge invariant Exact Renormalization Group (ERG). Starting from Polchinski's equation, the emphasis is on how a series of ideas have combined to yield the gauge invariant formalism. A novel symmetry of the ERG allows
Externí odkaz:
http://arxiv.org/abs/hep-th/0409042
Publikováno v:
JHEP 0405:031,2004
A method for computing the low-energy non-perturbative properties of SUSY GFT, starting from the microscopic lagrangian model, is presented. The method relies on covariant SUSY Feynman graph techniques, adapted to low energy, and Renormalization-Grou
Externí odkaz:
http://arxiv.org/abs/hep-th/0402035
Publikováno v:
Phys.Rev. D69 (2004) 065009
We further develop an algorithmic and diagrammatic computational framework for very general exact renormalization groups, where the embedded regularisation scheme, parametrised by a general cutoff function and infinitely many higher point vertices, i
Externí odkaz:
http://arxiv.org/abs/hep-th/0309242
Publikováno v:
Phys.Rev. D67 (2003) 085003
We uncover a method of calculation that proceeds at every step without fixing the gauge or specifying details of the regularisation scheme. Results are obtained by iterated use of integration by parts and gauge invariance identities. The initial stag
Externí odkaz:
http://arxiv.org/abs/hep-th/0209162
Publikováno v:
Acta Phys.Slov. 52 (2002) 621-634
A manifestly gauge invariant exact renormalization group for pure SU(N) Yang-Mills theory is proposed, along with the necessary gauge invariant regularisation which implements the effective cutoff. The latter is naturally incorporated by embedding th
Externí odkaz:
http://arxiv.org/abs/hep-th/0209130
Using a gauge invariant exact renormalization group, we show how to compute the effective action, and extract the physics, whilst manifestly preserving gauge invariance at each and every step. As an example we give an elegant computation of the one-l
Externí odkaz:
http://arxiv.org/abs/hep-th/0207154
A manifestly gauge invariant exact renormalization group for pure SU(N) Yang-Mills theory is proposed, allowing gauge invariant calculations, without any gauge fixing or ghosts. The necessary gauge invariant regularisation which implements the effect
Externí odkaz:
http://arxiv.org/abs/hep-th/0207153