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17 papers · 1 filter
Masses and Decay Constants of Heavy-Light Mesons Using the Multistate Smearing Technique
Anthony Duncan, Estia Eichten, Jonathan M. Flynn +2
We present results for f_B and masses of low-lying heavy-light mesons. Calculations were performed in the quenched approximation using multistate smearing functions generated from…
Mode Interactions and Hidden Rotational Symmetry
John David Crawford
Bifurcation problems in which periodic boundary conditions or Neumann boundary conditions are imposed often involve partial differential equations that have Euclidean symmetry. As…
D4-symmetric Maps with Hidden Euclidean Symmetry
John David Crawford
Bifurcation problems in which periodic boundary conditions (PBC) or Neumann boundary conditions (NBC) are imposed often involve partial differential equations that have Euclidean s…
Amplitude Expansions for Instabilities in Populations of Globally-Coupled Oscillators
John David Crawford
We analyze the nonlinear dynamics near the incoherent state in a mean-field model of coupled oscillators. The population is described by a Fokker-Planck equation for the distributi…
Non-Equilibrium Evolution of Scalar Fields in FRW Cosmologies I
D. Boyanovsky, H. J. de Vega, R. Holman
We derive the effective equations for the out of equilibrium time evolution of the order parameter and the fluctuations of a scalar field theory in spatially flat FRW cosmologies.T…
Lattice Magnetic Walks
Thomas Blum, Yonathan Shapir
Sums of walks for charged particles (e.g. Hofstadter electrons) on a square lattice in the presence of a magnetic field are evaluated. Returning loops are systematically added to d…