2 papers
cond-mat.stat-mech2003
Specific Heat of Liquid Helium in Zero Gravity very near the Lambda Point
J. A. Lipa, J. A. Nissen, D. A. Stricker +2
We report the details and revised analysis of an experiment to measure the specific heat of helium with subnanokelvin temperature resolution near the lambda point. The measurements…
physics.class-ph2003
A New Limit on Signals of Lorentz Violation in Electrodynamics
J. A. Lipa, J. A. Nissen, S. Wang +2
We describe the results of an experiment to test for spacetime anisotropy terms that might exist from Lorentz violations. The apparatus consists of a pair of cylindrical supercondu…