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9 papers · 1 filter
Heavy-Electron Behavior and Structural Change in Ca1.7Sr0.3RuO4
R. Jin, J. R. Thompson, J. He +5
SrRuO is an unconventional superconductor with a tetragonal structure, whereas CaRuO is a Mott insulator with orthorhombic symmetry. The substituted CaSr$_x…
Automorphisms of tiled orders
Jeremy Haefner, Christopher J. Pappacena
Let Lambda be a tiled R-order. We give a description of Aut_R(Lambda) as the semidirect product of Inn(Lambda) and a certain subgroup of Aut(Q(Lambda)), where Q(Lambda) is the link…
Deflation of Eigenvalues for GMRES in Lattice QCD
Ronald B. Morgan, Walter Wilcox
Versions of GMRES with deflation of eigenvalues are applied to lattice QCD problems. Approximate eigenvectors corresponding to the smallest eigenvalues are generated at the same ti…
Heatbath Noise Methods in Lattice QCD
Walter Wilcox
In a recent paper, de Forcrand has pointed out that matrix inversions using Gaussian noise need not be iterated to full convergence, but instead may be solved approximately and tre…
Coherent states on spheres
Brian C. Hall, Jeffrey J. Mitchell
We describe a family of coherent states and an associated resolution of the identity for a quantum particle whose classical configuration space is the d-dimensional sphere S^d. The…
Strongly graded hereditary orders
Jeremy Haefner, Christopher J. Pappacena
Let R be a Dedekind domain with global quotient field K. The purpose of this note is to provide a characterization of when a strongly graded R-order with semiprime 1-component is h…