Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Alexanian, G."'
We consider Euclidean functional integrals involving actions which are not exclusively real. This situation arises, for example, when there are $t$-odd terms in the the Minkowski action. Writing the action in terms of only real fields (which is alway
Externí odkaz:
http://arxiv.org/abs/hep-th/0609146
Publikováno v:
JHEP0601:020,2006
We find soliton solutions of the noncommutative Maxwell-Chern-Simons theory confined to a finite quantum Hall droplet. The solitons are exactly as hypothesized in \cite{Manu}. We also find new variations on these solitons. We compute their flux and t
Externí odkaz:
http://arxiv.org/abs/hep-th/0508168
Publikováno v:
JHEP 0311 (2003) 011
We investigate the spectrum of the gauge theory with Chern-Simons term on the noncommutative plane, a modification of the description of the Quantum Hall fluid recently proposed by Susskind. We find a series of the noncommutative massive ``plane wave
Externí odkaz:
http://arxiv.org/abs/hep-th/0310088
Autor:
Alexanian, G., Balachandran, A. P.
Publikováno v:
Phys.Lett. B537 (2002) 103-116
Many years ago Friedman and Sorkin [1] established the existence of certain topological solitonic excitations in quantum gravity called (topological) geons. Geons can have quantum numbers like charge and can be tensorial or spinorial having integer o
Externí odkaz:
http://arxiv.org/abs/hep-th/0111039
Publikováno v:
J.Geom.Phys.42:28-53,2002
Regularization of quantum field theories (QFT's) can be achieved by quantizing the underlying manifold (spacetime or spatial slice) thereby replacing it by a non-commutative matrix model or a ``fuzzy manifold''. Such discretization by quantization is
Externí odkaz:
http://arxiv.org/abs/hep-th/0103023
Publikováno v:
Nucl.Phys.B600:531-547,2001
We construct a star product associated with an arbitrary two dimensional Poisson structure using generalized coherent states on the complex plane. From our approach one easily recovers the star product for the fuzzy torus, and also one for the fuzzy
Externí odkaz:
http://arxiv.org/abs/hep-th/0010187
Publikováno v:
Phys.Rev.D60:011701,1999
The hard thermal loop effective action for Goldstone bosons is deduced by symmetry arguments from the corresponding result for gauge bosons. Pseudoscalar mesons in Chromodynamics and magnons in an antiferromagnet are discussed as special cases, inclu
Externí odkaz:
http://arxiv.org/abs/hep-ph/9903232
Autor:
Alexanian, G., Moreno, E. F.
Publikováno v:
Phys.Lett. B450 (1999) 149-157
We introduce a novel method for the renormalization of the Hamiltonian operator in Quantum Field Theory in the spirit of the Wilson renormalization group. By a series of unitary transformations that successively decouples the high-frequency degrees o
Externí odkaz:
http://arxiv.org/abs/hep-th/9811158
Autor:
Alexanian, G., Moreno, E. F.
Publikováno v:
Phys.Rev. D60 (1999) 105028
Using a novel approach to renormalization in the Hamiltonian formalism, we study the connection between asymptotic freedom and the renormalization group flow of the configuration space metric. It is argued that in asymptotically free theories the eff
Externí odkaz:
http://arxiv.org/abs/hep-th/9808078
Autor:
Alexanian, G., Nair, V. P.
Publikováno v:
Phys.Lett. B390 (1997) 370-374
The Thomas-Fermi screening of non-Abelian gauge fields by fermions or screening of gluon fields in quark matter is discussed. It is described by an effective mass term which is, as with hard thermal loops, related to the eikonal for a Chern-Simons th
Externí odkaz:
http://arxiv.org/abs/hep-th/9609011