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82 papers · 1 filter
Lorentz and CPT tests with spin-polarized solids
Robert Bluhm, Alan Kostelecky
Experiments using macroscopic samples of spin-polarized matter offer exceptional sensitivity to Lorentz and CPT violation in the electron sector. Data from existing experiments wit…
Off-shell structure of the string sigma model
Alan Kostelecky, Malcolm Perry, Robertus Potting
The off-shell structure of the string sigma model is investigated. In the open bosonic string, nonperturbative effects are shown to depend crucially on the regularization scheme. A…
CPT and Lorentz tests with muons
Robert Bluhm, Alan Kostelecky, Charles Lane
Precision experiments with muons are sensitive to Planck-scale CPT and Lorentz violation that is undetectable in other tests. Existing data on the muonium ground-state hyperfine st…
Spintronic Spin Accumulation and Thermodynamics
A. H. MacDonald
The spin degree of freedom can play an essential role in determining the electrical transport properties of spin-polarized electron systems in metals or semiconductors. In this art…
Measurement of Spin Correlation coefficients in \vec p \vec p --> d pi^+
B. v. Przewoski, J. T. Balewski, J. Doskow +13
The spin correlation coefficent combinations A_{xx}+A_{yy} and A_{xx}-A_{yy}, the spin correlation coefficients A_{xz} and A_{zz}, and the analyzing power were measured for \vec p…
Scaling tests of the improved Kogut-Susskind quark action
The MILC collaboration, C. Bernard, T. Burch +8
Improved lattice actions for Kogut-Susskind quarks have been shown to improve rotational symmetry and flavor symmetry. In this work we find improved scaling behavior of the rho and…