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Nonstandard Parafermions and String Compactification
Nonstandard Parafermions String Compactification High Energy Physics - Theory
2011/9/29
Abstract: Nonstandard parafermions are built and their central charges and dimensions are calculated. We then construct new N=2 superconformal field theories by tensoring the parafermions with a free ...
New soliton generating transformations in the bosonic sector of heterotic string effective theory
soliton generating transformations heterotic string effective theory
2010/12/23
In the author's paper (Phys.Rev. D80, 041901(R) (2009)), the integrable structure of the symmetry reduced bosonic dynamics in the low energy heterotic string effective theory was presented. In that p...
The regular cosmic string in Born-Infeld gravity
The regular cosmic string Born-Infeld gravity
2010/12/27
It is shown that Born-Infeld gravity --a high energy deformation of Einstein gravity-- removes the singularities of a cosmic string. The respective vacuum solution results to be free of conical singul...
The quark-antiquark potential and the gluonic action-density are calculated on sets of smeared gauge-field configurations at finite temperature just below the deconfinement temperature. We find the qu...
The quark-antiquark potential and the gluonic action-density are calculated on sets of smeared gauge-field configurations at finite temperature just below the deconfinement temperature. We find the qu...
BKM Lie superalgebra for the Z_5 orbifolded CHL string
BKM Lie superalgebra the Z_5 orbifolded CHL string
2010/12/23
We study the Z_5-orbifolding of the CHL string theory by explicitly constructing the modular form tilde{Phi}_2 generating the degeneracies of the 1/4-BPS states in the theory. Since the additive seed ...
Six Open String Disk Amplitude in Pure Spinor Superspace
Open String Disk Amplitude Pure Spinor Superspace
2010/12/23
The tree-level amplitude of six massless open strings is computed using the pure spinor formalism. The OPE poles among integrated and unintegrated vertices can be efficiently organized according to th...
String Cosmology in LRS Bianchi Type-II Dusty Universe with Time Decaying Vacuum Energy Density $\Lambda$
LRS Bianchi type II models Nambu String Massive string
2010/12/21
A model of a cloud formed by massive strings is used as a source of LRS Bianchi type II with time decaying vacuum energy density . To construct string cosmological models we have used the energy-mome...
In these lecture notes, we take a closer look at the calculation of scattering amplitudes for the bosonic string. It is believed that string theories form the UV completions of (super)gravity theorie...
We study some features of the confining string connecting a quark-anti-quark pair in Yang-Mills theory. Monte Carlo investigations of the flux tube between two static quarks in the fundamental represe...
We propose a string theory of turbulence that explains the Kolmogorov scaling in 3+1 dimensions and the Kraichnan and Kolmogorov scalings in 2+1 dimensions. This string theory of turbulence should be ...
Some Bulk Viscous String Cosmological Models
Higher dimension String cosmology Bulk viscous coefficient
2010/4/8
Five dimensional String cosmological models in the presence of variable bulk viscous coefficient, constant bulk viscous coefficient and in the absence of bulk viscosity are constructed and some physic...
The Space-Time Critical Dimension of an Open Parabosonic String
Space-Time Critical Dimension Open Parabosonic String
2010/4/19
Using analytical properties of a 1-loop open parabosonic M-point transition amplitude, we show that the space-time critical dimension depends on the order of the paraquantization.