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Three-point correlation functions from semiclassical circular strings
Three-point correlation functions semiclassical circular strings
2010/12/22
The strong-coupling limit of three-point correlation functions of local operators can be analyzed beyond the supergravity regime using vertex operators representing spinning string states. When two of...
Correlators of Vertex Operators for Circular Strings with Winding Numbers in AdS5xS5
Vertex Operators Circular Strings
2010/11/30
We compute semiclassically the two-point correlator of the marginal vertex operators describing the rigid circular spinning string state with one large spin and one windining number in AdS_5 and thre...
We study the quantum stabilization of a cosmic string by a heavy fermion doublet in a reduced version of the standard model. We show that charged strings, obtained by populating fermionic bound state ...
Level Crossing Analysis of Cosmic Microwave Background Radiation: A method for detecting cosmic strings
Cosmic Microwave Background Radiation detecting cosmic strings
2010/11/30
In this paper we study the footprint of cosmic string as the topological defects in the very early universe on the cosmic microwave background radiation. We develop the method of level crossing analy...
Higher Spins and Open Strings: Quartic Interactions
Higher Spins Open Strings Quartic Interactions
2010/10/30
We analyze quartic gauge-invariant interactions of massless higher spin fields by using vertex operators constructed in our previous works and computing their four-point amplitudes in superstring the...
Light-cone Gauge NSR Strings in Noncritical Dimensions II -- Ramond Sector
Light-cone Gauge NSR Strings Noncritical Dimensions II
2010/10/30
Light-cone gauge superstring theory in noncritical dimensions corresponds to a worldsheet theory with nonstandard longitudinal part in the conformal gauge. The longitudinal part of the worldsheet the...
Nonabelian Cosmic Strings from SO(3) Gauge Symmetry
SO(3) Gauge Symmetry nonabelian cosmic strings
2000/4/30
The nature of SO(3) breaking into its closed subgroups and the emergence of nonabelian cosmic strings are discussed. Relevance to GUT breaking and thereby to cosmology is pointed out. Classification o...
Successive Toroidal Compactifications of a Closed Bosonic Strings
Closed Bosonic Strings Toroidal Compactifications
1998/3/30
Successive toroidal compactifications of a closed bosonic string are studied and some Lie groups solutions are derived.