9,714 research outputs found
Transport in the Heavy Fermion Superconductor UPt3
We report new theoretical results and analysis for the transport properties
of superconducting UPt3 based on the leading models for the pairing symmetry.
We use Fermi surface data and the measured inelastic scattering rate to show
that the low-temperature thermal conductivity and transverse sound attenuation
in the A and B phase of UPt3 are in excellent agreement with pairing states
belonging to the two-dimensional orbital E2u representation.Comment: 2 pages, contribution at Int. Conf. LT-22, Helsinki, Finland, 4-11
Aug. 199
The Resonance Peak in SrRuO: Signature of Spin Triplet Pairing
We study the dynamical spin susceptibility, , in the
normal and superconducting state of SrRuO. In the normal state, we find
a peak in the vicinity of in agreement with
recent inelastic neutron scattering (INS) experiments. We predict that for spin
triplet pairing in the superconducting state a {\it resonance peak} appears in
the out-of-plane component of , but is absent in the in-plane component.
In contrast, no resonance peak is expected for spin singlet pairing.Comment: 4 pages, 4 figures, final versio
Mission analysis data for inclined geosynchronous orbits, part 1
Data needed for preliminary design of inclined geosynchronous missions are provided. The inertial and Earth fixed coordinate systems are described, as well as orbit parameters and elements. The complete family of geosynchronous orbits is discussed. It is shown that circular inclined geosynchronous orbits comprise only one set in this family. The major orbit perturbation and their separate effects on the geosynchronous orbit are discussed. Detailed information on the orbit perturbation of inclined circular geosynchronous orbits is given, with emphasis on time history data of certain orbital elements. Orbit maintenance delta velocity (V) requirements to counteract the major orbit perturbations are determined in order to provide order of magnitude estimates and to show the effects of orbit inclination on delta V. Some of the considerations in mission design for a multisatellite system, such as a halo orbit constellation, are discussed
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