Naoshi Fukushima
Naoshi Fukushima (福島 直, Fukushima Naoshi, January 19, 1925 – June 25, 2003) was a Japanese physicist specializing in the near-Earth space environment.[1] He served as Secretary General of the International Association of Geomagnetism and Aeronomy from 1975 to 1983. In 1990 he was awarded the AGU's Waldo E. Smith Award.[2]
He is best known for proving that, under certain conditions, the magnetic field from a field-aligned current and the magnetic field from the associated Pederson current in the ionosphere would exactly cancel at the surface of the Earth. The magnetic equivalence of field-aligned currents with Pederson currents is referred to colloquially as Fukushima's Theorem.[3]
References
[edit]- ^ Kamide, Y.; Nishida, A. (2003). "Naoshi Fukushima (1925–2003)". Eos, Transactions American Geophysical Union. 84 (38): 379. doi:10.1029/2003EO380012. ISSN 0096-3941.
- ^ Fukushima, Naoshi (1991-01-01). "Naoshi Fukushima awarded Smith medal". EOS Transactions. 72: 3–5. Bibcode:1991EOSTr..72....3F. doi:10.1029/EO072i001p00003-02. S2CID 140544840.
- ^ Matzner, Richard A. (2018-10-08). Dictionary of Geophysics, Astrophysics, and Astronomy. CRC Press. p. 186. ISBN 978-1-4200-5023-3.
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