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Cooper pair transport and macroscopic quantum dynamics in Josephson junctions through ferromagnetic insulators

โœ Scribed by Shiro Kawabata; Yasuhiro Asano; Yukio Tanaka; Satoshi Kashiwaya; Alexander A. Golubov

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
211 KB
Volume
468
Category
Article
ISSN
0921-4534

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๐Ÿ“œ SIMILAR VOLUMES

Macroscopic quantum tunneling in Josephs
Macroscopic quantum tunneling in Josephson junctions with insulating ferromagnets and its application to phase qubits
โœ Shiro Kawabata; Alexander A. Golubov ๐Ÿ“‚ Article ๐Ÿ“… 2007 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 194 KB

We theoretically investigate macroscopic quantum tunneling (MQT) in a current-biased p junction with a superconductor (S) and an insulating ferromagnet (IF). By using the functional integral method and the instanton approximation, the influence of the quasiparticle dissipation on MQT is found to be