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Topic: Dilaton

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	[No title] (Site not responding. Last check: 2007-10-08)
		We then display the gravitational, dilatonic and electromagnetic equations, which reproduce the static solution (at zero order in the wave parameter) and the corresponding wave equations in the Kerr background (at first order in the wave parameter and zero order in the electric charge).
		We then assume that gravitational and dilatonic waves are negligible (at that order in the charge parameter) with respect to electromagnetic waves and argue that this condition is consistent with the solutions already found in the previous paper.
		An expression for the relative intensity is obtained for Reissner-Nordström dilaton fl holes using geometrical optics.
	bama.ua.edu /~hep/theory/blkholes.htm (493 words)

	Dilaton (Site not responding. Last check: 2007-10-08)
		In theoretical physics, dilaton originally referred to a theoretical scalar field; as a photon refers in one sense to the electromagnetic field.
		For the dilaton, also known as graviscalar, it is the scalar field which appears in Kaluza-Klein theory - as the component
		However, supersymmetry breaking usually creates a potential energy for the scalar fields and the scalar fields localize near a minimum whose position should in principle be calculable in string theory.
	www.worldhistory.com /wiki/D/Dilaton.htm (349 words)

	Dilaton -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08)
		For the dilaton, also known as (Click link for more info and facts about graviscalar) graviscalar, it is the scalar field which appears in (Click link for more info and facts about Kaluza-Klein theory) Kaluza-Klein theory - as the component
		The (A function in which an independent variable appears as an exponent) exponential of its (Click link for more info and facts about vacuum expectation value) vacuum expectation value determines the (Click link for more info and facts about coupling constant) coupling constant
		However, (Click link for more info and facts about supersymmetry breaking) supersymmetry breaking usually creates a (The mechanical energy that a body has by virtue of its position; stored energy) potential energy for the scalar fields and the scalar fields localize near a minimum whose position should in principle be calculable in string theory.
	www.absoluteastronomy.com /encyclopedia/d/di/dilaton.htm (240 words)

	Luboš Motl's reference frame: Critical dimension: anything goes?
		The evidence that the duality between the two-dimensional string theory and the old matrix models works well at the strong coupling is pretty poor - especially because of the sequences of potential contradictions found in the attempts to localize the fl hole in the matrix model.
		This also means that if Eva constructed her conjectured 18-dimensional backgrounds by starting from the time-like linear dilaton which grows and eventually stabilizes around a finite stationary point, such an argument could be simply ruined by the possible fact that the linear dilaton non-critical backgrounds are only consistent perturbatively.
		At g=0, the only problem could seem to be the dilaton tadpole, but as you turn on the string coupling, this problem spreads to all other excited states, and the infinite majority of the equations of motion are likely to be violated.
	motls.blogspot.com /2005/04/critical-dimension-anything-goes.html (6019 words)

	[UPS] Open Archive metadata set DTD
		In the bosonic case dilaton two-point functions = on the sphere are calculated as a stepping stone to constructing a good = coordinate family for dilaton calculations on higher genus surfaces.
		It = is found that dilaton-dilaton contact terms are improperly normalized, = suggesting that the interpretation of the dilaton as the first variation of string coupling breaks down when other = dilatons are present.
		Thus, a dilaton equation analogous to the one = in topological gravity is derived and the interpretation of the dilaton = as the string coupling constant goes through. High Energy Physics - Theory Journal-ref: Nucl.
	www.openarchives.org /pipermail/ups/1999-December/000108.html (431 words)

	Luboš Motl's reference frame: Matrix Big Bang
		Note that this simple dilaton background does not spoil the equations of motion for the dilaton.
		Also, the spectrum of this theory is isomorphic to the spectrum of the trivial theory with constant dilaton.
		Once again, the spectrum of a single string is not really affected by the linear null dilaton.
	motls.blogspot.com /2005/05/matrix-big-bang.html (1059 words)

	Global Monopoles In Dilaton Gravity (ResearchIndex)
		Abstract: We analyse the gravitational field of a global monopole within the context of low energy string gravity, allowing for an arbitrary coupling of the monopole fields to the dilaton.
		We find that, for a massless dilaton, the spacetime is generically singular, whereas when the dilaton is massive, the monopole generically induces a long range dilaton cloud.
		0.4: Vector and Scalar Confinement in Gauge Theory with a Dilaton - Rainer Dick
	citeseer.ist.psu.edu /167031.html (228 words)

	The Coulomb potential in gauge theory with a dilaton (ResearchIndex)
		Abstract: : I calculate the potential of a pointlike particle carrying SU(N c) charge in a gauge theory with a dilaton.
		The solution depends on boundary conditions imposed on the dilaton: For a dilaton that vanishes at infinity the resulting potential is of the form (r + r OE) \Gamma1, with r OE inverse proportional to the decay constant of the dilaton.
		Another natural constraint for the dilaton OE is independence of 1 g 2 exp(OE f OE) from the gauge coupling g.
	citeseer.ist.psu.edu /220070.html (260 words)

	Time Travel Portal :: View topic - Notes on Dilaton Quantum Cosmology (Site not responding. Last check: 2007-10-08)
		In these notes we shall address the canonical quantization of the cosmological models which appear as solutions of the low energy effective action of closed bosonic string theory (dilaton models).
		In particular we shall address the problem of time in quantum cosmology, the characterization of the symmetry under clock reversals arising from the existence of a Hamiltonian constraint and the problem of inposing boundary conditions on the space of solutions of the Wheeler-DeWitt equation.
		Notes on Dilaton Quantum Cosmology by Gabriel Catren and Claudio Simeone.
	timetravelportal.com /viewtopic.php?t=1581 (269 words)

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