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pro vyhledávání: '"Louis B. Holdeman"'
Autor:
J. T. Holdeman, Louis B. Holdeman
Publikováno v:
Journal of Applied Physics. 47:4936-4943
The torque on a superconducting sphere rotating in an arbitrary magnetic field is calculated. The result is expressed in terms of the coefficients of the expansion of the magnetic field in spherical harmonic functions, but in general a boundary‐val
Publikováno v:
Physical Review Letters. 45:1011-1014
Microwave radiation (0.1 to 12 GHz) was propagated in a microstrip transmission line formed by a superconducting Al film on a BaF/sub 2/ substrate. Cross strips formed Al--Al oxide--Al tunnel junctions that were used to study the effect of microwaves
Autor:
J. T. Holdeman, Louis B. Holdeman
Publikováno v:
IEEE Transactions on Magnetics. 20:2042-2047
In a proposed satellite experiment, a spherical superconducting gyroscope is to be levitated by servo-controlled voltages applied to superconducting electrodes. Gyroscope readout will utilize the magnetic field that is generated by a rotating superco
Autor:
Louis B. Holdeman
Publikováno v:
Journal of Applied Physics. 49:951-954
Magnetic flux trapped in the rotor of a superconducting gyroscope can cause the rotor to lose energy through dissipation in a readout loop encompassing the rotor and by the generation of eddy currents in the support electrodes. These losses are calcu
Autor:
Louis B. Holdeman, J. T. Holdeman
Publikováno v:
Journal of Applied Physics. 57:684-697
A spinning superconducting sphere generates a magnetic field (the London field) while excluding external magnetic fields from its interior (the Meissner effect), so that a torque on the sphere results if there are magnetic or superconducting material