359 research outputs found

    God\u27s Will

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    Infamous entity of the earth Indifference of matter and existence both Mankind in penance would cry unto the skie

    Chirality tubes along monopole trajectories

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    We classify the lattice by elementary 3-cubes which are associated to dual links occupied by, or free of monopoles. We then compute the quark condensate, the quark charge and the chiral density on those cubes. By looking at distributions we demonstrate that monopole trajectories carry considerably more chirality with respect to the free vacuum.Comment: LATTICE99(topology), 3 pages, eps figure

    Baryon-Baryon Potentials on the Lattice

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    The interaction of spatially extended heavy baryons is investigated in the framework of lattice QCD with dynamical quarks. It is shown that the expected dipole forces have a very short range and that the baryon-antibaryon interaction is more attractive than the baryon-baryon interaction. Sea quarks play a minor important role.Comment: 8 pages, uuencoded postscript file; Physics Letters B, in pres

    Monopole density around static color sources

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    We analyze the vacuum structure with respect to magnetic monopoles of quenched QCD in the presence of static color sources. Distributions of the monopole density around static quarks and mesons are computed in both phases of QCD. We observe a suppression of the monopole density in the vicinity of external sources. In the confinement phase the density of color magnetic monopoles is reduced along the flux tube between a static quark-antiquark pair.Comment: 3 pages, uuencoded postscriptfile (690kB), Contribution to the XII INTERNATIONAL SYMPOSIUM ON LATTICE FIELD THEORY, Bielefeld, Germany, 199

    Lyapunov exponents in Minkowskian U(1) gauge theory

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    U(1) gauge fields are decomposed into a monopole and photon part across the phase transition from the confinement to the Coulomb phase. We analyze the leading Lyapunov exponents of such gauge field configurations on the lattice which are initialized by quantum Monte Carlo simulations. We observe that the monopole field carries the same Lyapunov exponent as the original U(1) field. Evidence is found that monopole fields stay chaotic in the continuum whereas the photon fields are regular.Comment: Lattice2002(topology), 3 pages, 4 figure

    IMPROVING TEACHER COMPETENCE THROUGH ASSISTANCE IN WRITING CLASSROOM ACTION RESEARCH

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    The purpose of this study is to determine the problems experienced by teachers in professional improvement and functional positions, the problems experienced by teachers are lack of ability in writing scientific papers caused by not understanding the stages of writing and conducting research. This type of research is qualitative research with a descriptive method that aims to describe the problems faced by teachers in writing classroom action research and improving teacher abilities through assistance. Based on the results of the study, it is known that the results of scientific papers written by teachers can be said to be worthy of publication in scientific journal

    Monopoles and Chaos

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    We decompose U(1) gauge fields into a monopole and photon part across the phase transition from the confinement to the Coulomb phase. We analyze the leading Lyapunov exponents of such gauge field configurations on the lattice which are initialized by quantum Monte Carlo simulations. It turns out that there is a strong relation between the sizes of the monopole density and the Lyapunov exponent.Comment: Contribution to HEP-MAD'01 - High-Energy Physics International Conferences (Antananarivo, Madagascar, 2001/09/27 - 2001/10/05), 6 pages, 5 figure
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