Author
Joaquim Gomis
Other affiliations: Katholieke Universiteit Leuven, University of Texas at Austin, Centro de Estudios Científicos ...read more
Bio: Joaquim Gomis is an academic researcher from University of Barcelona. The author has contributed to research in topics: Gauge theory & Supersymmetry. The author has an hindex of 44, co-authored 242 publications receiving 6445 citations. Previous affiliations of Joaquim Gomis include Katholieke Universiteit Leuven & University of Texas at Austin.
Papers published on a yearly basis
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TL;DR: In this article, the antibracket formalism for gauge theories, at both the classical and quantum level, is reviewed, and the basic concepts involved in the ant-branch formalism are elucidated.
373 citations
TL;DR: In this paper, the antibracket formalism for gauge theories, at both the classical and quantum level, is reviewed, and the basic concepts involved in the ant-branch formalism are elucidated.
Abstract: The antibracket formalism for gauge theories, at both the classical and quantum level, is reviewed. Gauge transformations and the associated gauge structure are analyzed in detail. The basic concepts involved in the antibracket formalism are elucidated. Gauge-fixing, quantum effects, and anomalies within the field-antifield formalism are developed. The concepts, issues and constructions are illustrated using eight gauge-theory models.
328 citations
TL;DR: In this paper, it was shown that the symmetry group ISIM(2) admits a 2-parameter family of continuous deformations, but none of these give rise to noncommutative translations analogous to those of the de Sitter deformation of the Poincar\'e group: space-time remains flat.
Abstract: We ask whether Cohen and Glashow's very special relativity model for Lorentz violation might be modified, perhaps by quantum corrections, possibly producing a curved space-time with a cosmological constant. We show that its symmetry group ISIM(2) does admit a 2-parameter family of continuous deformations, but none of these give rise to noncommutative translations analogous to those of the de Sitter deformation of the Poincar\'e group: space-time remains flat. Only a 1-parameter family ${\mathrm{DISIM}}_{b}(2)$ of deformations of SIM(2) is physically acceptable. Since this could arise through quantum corrections, its implications for tests of Lorentz violations via the Cohen-Glashow proposal should be taken into account. The Lorentz-violating point-particle action invariant under ${\mathrm{DISIM}}_{b}(2)$ is of Finsler type, for which the line element is homogeneous of degree 1 in displacements, but anisotropic. We derive ${\mathrm{DISIM}}_{b}(2)$-invariant wave equations for particles of spins 0, $\frac{1}{2}$, and 1. The experimental bound, $|b|l{10}^{\ensuremath{-}26}$, raises the question ``Why is the dimensionless constant $b$ so small in very special relativity?''
281 citations
TL;DR: In this paper, a new sector of string theory in AdS5 × S5 describing non-relativistic superstrings in that geometry was found and derived and shown to reduce to a supersymmetric free field theory in adS2.
Abstract: We find a new sector of string theory in AdS5 × S5 describing non-relativistic superstrings in that geometry. The worldsheet theory of non-relativistic strings in AdS5 × S5 is derived and shown to reduce to a supersymmetric free field theory in AdS2. Non-relativistic string theory provides a new calculable setting in which to study holography.
239 citations
TL;DR: In this paper, the authors show that a theory is renormalizable in this sense if the a priori constraints that we impose on the form of the bare action correspond to the cohomology of the BRST-transformations generated by the action.
192 citations
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Journal Article•
28,685 citations
TL;DR: In this paper, the holographic correspondence between field theories and string/M theory is discussed, focusing on the relation between compactifications of string theory on anti-de Sitter spaces and conformal field theories.
5,610 citations
TL;DR: Wentzel and Jauch as discussed by the authors described the symmetrization of the energy momentum tensor according to the Belinfante Quantum Theory of Fields (BQF).
Abstract: To say that this is the best book on the quantum theory of fields is no praise, since to my knowledge it is the only book on this subject But it is a very good and most useful book The original was written in German and appeared in 1942 This is a translation with some minor changes A few remarks have been added, concerning meson theory and nuclear forces, also footnotes referring to modern work in this field, and finally an appendix on the symmetrization of the energy momentum tensor according to Belinfante Quantum Theory of Fields Prof Gregor Wentzel Translated from the German by Charlotte Houtermans and J M Jauch Pp ix + 224, (New York and London: Interscience Publishers, Inc, 1949) 36s
2,935 citations
TL;DR: The generalization of field theory to space-time with noncommuting coordinates has been studied intensively in the last few years and many qualitatively new phenomena have been discovered, on both the classical and quantum level as discussed by the authors.
Abstract: This article reviews the generalization of field theory to space-time with noncommuting coordinates, starting with the basics and covering most of the active directions of research. Such theories are now known to emerge from limits of M theory and string theory and to describe quantum Hall states. In the last few years they have been studied intensively, and many qualitatively new phenomena have been discovered, on both the classical and the quantum level.
2,306 citations