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375
Spacetime structure of the global vortex
"... We analyse the spacetime structure of the global vortex and its maximal analytic extension in an arbitrary number of spacetime dimensions. We find that the vortex compactifies space on the scale of the Hubble expansion of its worldvolume, in a manner reminiscent of that of the domain wall. We calcul ..."
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We analyse the spacetime structure of the global vortex and its maximal analytic extension in an arbitrary number of spacetime dimensions. We find that the vortex compactifies space on the scale of the Hubble expansion of its worldvolume, in a manner reminiscent of that of the domain wall. We
Global Vortex and Black Cosmic String
"... We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in OE 4 theory with a broken U(1) symmetry, of which the spacetimes do not involve physical curvature singularity. When the magnitude of negative cosmological c ..."
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We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in OE 4 theory with a broken U(1) symmetry, of which the spacetimes do not involve physical curvature singularity. When the magnitude of negative cosmological
Quantum Global Vortex Strings in a Background Field
, 2006
"... We consider quantum global vortex string correlation functions, within the KalbRamond framework, in the presence of a background fieldstrength tensor and investigate the conditions under which this yields a nontrivial contribution to those correlation functions. We show that a background field mus ..."
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We consider quantum global vortex string correlation functions, within the KalbRamond framework, in the presence of a background fieldstrength tensor and investigate the conditions under which this yields a nontrivial contribution to those correlation functions. We show that a background field
Global Vortex Systems on StandardAccretion Disk Surfaces
, 1998
"... The hydrodynamical global stability of turbulent densitystratified and differentially rotating disks is studied. In the context of the meanfield approach the smallscale turbulence produces the Anisotropic Kinetic Alphaeffect which is shown here to generate global vortices. Different rotation law ..."
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The hydrodynamical global stability of turbulent densitystratified and differentially rotating disks is studied. In the context of the meanfield approach the smallscale turbulence produces the Anisotropic Kinetic Alphaeffect which is shown here to generate global vortices. Different rotation
SNUTP97088 grqc/9707056 Global Vortex and Black Cosmic String
, 1997
"... We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in φ4theory with a broken U(1) symmetry, of which the spacetimes do not involve physical curvature singularity. When the magnitude of negative cosmological consta ..."
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We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in φ4theory with a broken U(1) symmetry, of which the spacetimes do not involve physical curvature singularity. When the magnitude of negative cosmological
Global stability of vortex solutions of the twodimensional NavierStokes equation
 Comm. Math. Phys
"... NavierStokes equation ..."
Dynamics of a selfgravitating global string with large Higgs mass
, 1997
"... We consider a selfgravitating cosmic string generated by a global vortex solution in general relativity. We investigate the Einstein and field equations of a global vortex in the region of its central line and at a distance from the centre of the order of its width parameter. By combining the two w ..."
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We consider a selfgravitating cosmic string generated by a global vortex solution in general relativity. We investigate the Einstein and field equations of a global vortex in the region of its central line and at a distance from the centre of the order of its width parameter. By combining the two
Evolution of optical vortex distributions in stochastic vortex fields
"... Stochastic vortex fields are found in laser speckle, in scintillated beams propagating through a turbulent atmosphere, in images of holograms produced by Iterative Fourier Transform methods and in the beams produced by certain diffractive optical elements, to name but a few. Apart from the vortex fi ..."
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of stochastic vortex fields have been uncovered with the aid of these numerical simulations. For example, the numerical results demonstrate that stochastic vortex fields contain both diffusion and drift motions that are driven by local and global variations in amplitude and phase. The mechanisms
Global linear stability of the nonparallel Batchelor Vortex
, 2009
"... Linear stability of the nonparallel Batchelor vortex is studied using global modes. This family of swirling wakes and jets has been extensively studied under the parallelflow approximation, and in this paper we extend to more realistic nonparallel base flows. Our base flow is obtained as an exact ..."
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Linear stability of the nonparallel Batchelor vortex is studied using global modes. This family of swirling wakes and jets has been extensively studied under the parallelflow approximation, and in this paper we extend to more realistic nonparallel base flows. Our base flow is obtained
GlobalString and Vortex Superfluids in a Supersymmetric Scenario
, 2008
"... The main goal of this work is to investigate the possibility of finding the supersymmetric version of the U(1)global string model which behaves as a vortexsuperfluid. We find out possibilities to propose the supersymmetric potential. We obtain the symmetry breakings for the global string configura ..."
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The main goal of this work is to investigate the possibility of finding the supersymmetric version of the U(1)global string model which behaves as a vortexsuperfluid. We find out possibilities to propose the supersymmetric potential. We obtain the symmetry breakings for the global string
Results 1  10
of
375