Zobrazeno 1 - 10
of 261
pro vyhledávání: '"Ardalan, F"'
Publikováno v:
Phys.Scripta 03 (2013) 035101
A hidden generalized gauge symmetry of a cutoff QED is used to show the renormalizability of QED. In particular, it is shown that corresponding Ward identities are valid all along the renormalization group flow. The exact Renormalization Group flow e
Externí odkaz:
http://arxiv.org/abs/1108.3215
Publikováno v:
Eur.Phys.J.C71:1606,2011
The mass spectrum of the noncommutative QED in two-dimensional Euclidean $\mathbb{R}^{2}$ space is derived first in a perturbative approach at one-loop level and then in a nonperturbative approach using the equivalent bosonized noncommutative effecti
Externí odkaz:
http://arxiv.org/abs/1011.4877
Autor:
Ardalan, F., Sadooghi, N.
Publikováno v:
Phys.Rev.D83:025014,2011
A generalized translational invariant noncommutative field theory is analyzed in detail, and a complete description of translational invariant noncommutative structures is worked out. The relevant gauge theory is described, and the planar and nonplan
Externí odkaz:
http://arxiv.org/abs/1008.5064
Autor:
Khalil, Ardalan F., Rostam, Sarkawt
Publikováno v:
Engineering, Technology & Applied Science Research; Apr2024, Vol. 14 Issue 2, p13181-13189, 9p
Publikováno v:
Int.J.Mod.Phys. A21 (2006) 4161-4183
Invariant (nonplanar) anomaly of noncommutative QED is reexamined. It is found that just as in ordinary gauge theory UV regularization is needed to discover anomalies, in noncommutative case, in addition, an IR regularization is also required to exhi
Externí odkaz:
http://arxiv.org/abs/hep-th/0507230
Publikováno v:
Int.J.Mod.Phys. A18 (2003) 1051-1066
The effective action for the low energy scattering of two gravitons with a D-brane in the presence of a constant antisytmetric $B$ field in bosonic string theory is calculated and the modification to the standard D-brane action to first order in $\al
Externí odkaz:
http://arxiv.org/abs/hep-th/0204117
Publikováno v:
Nucl.Phys.B576:578-596,2000
We apply the Dirac bracket quantization to open strings attached to branes in the presence of background antisymmetric field and recover an inherent noncommutativity in the internal coordinates of the brane.
Comment: 25 pp, typos corrected, mino
Comment: 25 pp, typos corrected, mino
Externí odkaz:
http://arxiv.org/abs/hep-th/9906161
Autor:
Ardalan, F.
Compactification of Matrix Model on a Noncommutative torus is obtained from strings ending on D-branes with background B field. The BPS spectrum of the system and a novel SL(2,Z) symmetry are discussed.
Comment: 7 pages, Revtex file, no figures
Comment: 7 pages, Revtex file, no figures
Externí odkaz:
http://arxiv.org/abs/hep-th/9903117
Publikováno v:
JHEP 9902:016,1999
Noncommutative torus compactification of Matrix model is shown to be a direct consequence of quantization of the open strings attached to a D-membrane with a non-vanishing background $B$ field. We calculate the BPS spectrum of such a brane system usi
Externí odkaz:
http://arxiv.org/abs/hep-th/9810072
We derive the noncommutative torus compactification of M(atrix) theory directly from the string theory by imposing mixed boundary conditions on the membranes. The relation of various dualities in string theory and M(atrix) theory compactification on
Externí odkaz:
http://arxiv.org/abs/hep-th/9803067