Journal•ISSN: 0217-7323
Modern Physics Letters A
World Scientific
About: Modern Physics Letters A is an academic journal published by World Scientific. The journal publishes majorly in the area(s): Neutrino & Supersymmetry. It has an ISSN identifier of 0217-7323. Over the lifetime, 10252 publications have been published receiving 132270 citations. The journal is also known as: Mod. Phys. Lett. A.
Topics: Neutrino, Supersymmetry, Quantum chromodynamics, Gauge theory, Quark
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TL;DR: In this article, the spectrum of anomalous dimensions in 2D quantum gravity has been investigated and a formulae for the spectrum has been found for 2D-quantum gravity.
Abstract: We resolve renormalization problems, indicated in Ref. 1 and find explicit formulae for the spectrum of anomalous dimensions in 2d—quantum gravity. Comparison with combinatorial approximation of random surfaces and its numerical analyses shows complete agreement with all known facts.
1,266 citations
TL;DR: The coupling of conformal field theories to 2-d gravity may be studied in the conformal gauge as mentioned in this paper, where the results of Knizhnik, Polyakov, and Zamolodchikov for the scaling dimensions of the field are derived in a simple way.
Abstract: The coupling of conformal field theories to 2-d gravity may be studied in the conformal gauge. As an application, the results of Knizhnik, Polyakov and Zamolodchikov for the scaling dimensions of conformal fields are derived in a simple way. Their conjecture for the susceptibility exponent γ of strings is proven and extended to arbitrary genus surfaces. The result agrees with exact results from random lattice models.
1,010 citations
TL;DR: In this article, the R→0 limit of toroidal compactification in various string theories is considered and connections between seemingly different string theories: IIA and IIB, open and closed, oriented and unoriented.
Abstract: We consider the R→0 limit of toroidal compactification in various string theories. This leads to new connections between seemingly different string theories: IIA and IIB, open and closed, oriented and unoriented. We also find two new extended objects which can couple consistently to strings: the Dirichlet-brane and the orientifold plane.
993 citations
TL;DR: In this article, a σ-model calculation in the mixed Dirichlet-Neumann theory was performed and it was shown that the action of the Dirac-Born-Infeld type is restricted to (26−k)-dimensions.
Abstract: In a recent paper we discussed, among other things, the effect of duality transformations on the open bosonic string theory. Namely, we conjectured that a macroscopic object, the D-brane, effectively interacts with closed and open string modes in the low energy limit. This conjecture was supported by a string scattering amplitude calculation. In this letter we report on a σ-model calculation in the mixed Dirichlet-Neumann theory. We find an action of the Dirac-Born-Infeld type restricted to (26−k)-dimensions.
983 citations
TL;DR: In this paper, a two dimensional induced quantum gravity is analyzed using light-cone gauge and the Wess-Zumino action and its connection with SL (2, ℝ) current algebra.
Abstract: Two dimensional induced quantum gravity is analyzed. By the use of light-cone gauge we derive a gravitational analogue of the Wess-Zumino action and discover its amazing connection with SL (2, ℝ) current algebra. The latter permits us to find differential equations for the correlation functions.
673 citations