Color superconductor

Color superconductor - Factbites
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Topic: Color superconductor

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	Roberto Casalbuoni
		We then show that the ground state of the CFL color superconductor is a $Q$-matter, which is the lowest energy state for a given fixed baryon number.
		The Bethe-Salpeter equations for diquarks with the quantum numbers of the Nambu-Goldstone bosons are analyzed in the color-flavor locked phase of cold dense QCD with three quark flavors.
		The Bethe-Salpeter equations for spin zero diquark composites in the color superconducting phase of $N_f=2$ and $N_f=3$ cold dense QCD are studied.
	arturo.fi.infn.it /casalbuoni/QCD_density.html (12479 words)

	Roberto Casalbuoni
		This turns out to involve gluonic tadpoles which are calculated to one-loop order in a two-flavor color superconductor.
		A number of various examples are considered, leading to different scales, related to instantons or confinement effects; (ii) Instanton vacuum as an Instanton Liquid; (iii) The phase diagram of QCD at finite temperature and density, and especially description of a recent progress in Color Superconductivity.
		Influence of a constant chromomagnetic field on the formation of color superconductivity is studied.
	arturo.fi.infn.it /casalbuoni/QCD_density.html (12479 words)

	superconductivity
		One might think that an applied magnetic field will produce in the color superconductor the same kind of counteracting effect that it does in ordinary superconductivity.
		Search results for '(superconductor or superconductors) or (superconducting or superconduct or superconductive) or superconductivity'
		NB This list has been generated automatically and may contain some false matches.
	newton.ex.ac.uk /aip/catagories/superconductivity.html (183 words)

	Physics and Astronomy Colloquium
		Recent studies of dense quark matter indicate that it is likely to be a color superconductor.
		If quark matter were to exist within neutron stars, observable aspects of neutron star structure and evolution may be affected by color superconductivity.
		I highlight some of these properties and discuss how they can be used to probe for the existence of these novel phases at extreme density.
	www.physics.northwestern.edu /events/SpecialColloquia/reddy.html (183 words)

	Citebase - The Nonperturbative Color Meissner Effect in a Two-Flavor Color Superconductor
		The effect of the unscreened magnetic modes of gluons on the value of the color condensate is studied.
		Finally, we speculate that the Meissner effect may postpone the onset of color superconductivity to higher matter density than estimated previously.
		This is a dynamical Higgs effect, in which the diquark condensate acts as the vacuum expectation value of a composite scalar field.
	citebase.eprints.org /cgi-bin/citations?archiveID=oai:arXiv.org:hep-ph/0001318 (1226 words)

	Color Superconductivity in Dense Quark Matter
		The attractive force mediated by one-gluon exchange or by instantons triggers the pairing instability and a color superconductor will be formed below a certain temperature.
		The Ginzburg-Landau free energy functional was derived in the vicinity below the transition temperature, which shows the interplay between the color-flavor locked condensate in the bulk and the color-flavor octet condensate near the super-normal interface or in the core of a vortex filament.
		This phase of the nuclear matter may be found inside the core of a cold neutron star.
	www.phys.uconn.edu /Seminars/2003Spring/20030320oth.html (1226 words)

	Theoretical Physics
		The pairing turns the QCD ground state into a color superconductor -- a novel phenomenon which could be important for understanding core-collapse supernovae.
		The Columbia condensed matter theory group investigates many aspects of the physics of matter, from the possibility of novel electronic states in new materials or near quantum critical points to the applied physics of spins in semiconductors and heterostructures.
		He is currently studying the implications of recent observations of high redshift quasar spectra for the reionization history of the universe, as well as the impact of short distance physics on inflationary fluctuations.
	columbia-physics.net /research/theory.htm (2302 words)

	The Isgur-Paton Model of Glueballs
		In that theory, the non-perturbative QCD vacuum is represented by a type-II superconductor, and vortex field solutions form around a line on which the monopole field vanishes.
		The simplest topologically is a single loop of color flux.
		of the flux tube meson are brought sufficiently close as to annihilate, the remaining loop of flux might remain as a purely gluonic bound state.
	www-astro.physics.ox.ac.uk /~rjohnson/thesis/node6.html (2302 words)

	citebase Search - Han, S
		Recent observations for the color-magnitude diagrams (CMDs) of the massive globular cluster Omega Centauri have shown that it has a striking double main sequence (MS), with a minority population of bluer and fainter MS well separated from a majority population of MS stars.
		We report a new class of $c$-axis Josephson tunneling experiments in which a conventional superconductor (Pb) is deposited across a single twin boundary of a YBa_2Cu_3O_{7-\delta} crystal.
		Entangled-photon coincidence imaging is a method to nonlocally image an object by transmitting a pair of entangled photons through the object and a reference optical system, respectively.
	citebase.eprints.org /cgi-bin/search?submit=1&author=Han,%20S (2302 words)

	AEE - YTTRIUM
		It is an important element in the high-tech superconductor, yttrium barium copper oxide.
		Yttrium is used for red phosphorus in color TV's.
		Yttrium is the first rare earth element discovered.
	www.micronmetals.com /39.htm (102 words)

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Topic: Color superconductor

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