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Title: Cooper pair trajectories in superconducting slab at self-field conditions
Authors: Talantsev, E. F.
Mataira, R. C.
Issue Date: 2021
Publisher: World Scientific
Citation: Talantsev E. F. Cooper pair trajectories in superconducting slab at self-field conditions / E. F. Talantsev, R. C. Mataira. — DOI 10.1142/S0217984921502262 // Modern Physics Letters B. — 2021. — Vol. 35. — Iss. 13. — 2150226.
Abstract: Dissipative-free electric current flow is one of the most fascinating and practically important properties of superconductors. Theoretical consideration of the charge carriers flow in infinitely long rectangular slab of superconductor in the absence of external magnetic field (so called, self-field) is based on an assumption that the charge carriers have rectilinear trajectories in the direction of the current flow whereas the current density and magnetic flux density are decaying towards superconducting slab with London penetration depth as characteristic length. Here, we calculate charge particle trajectories (as single electron/hole, as Cooper pair) at self-field conditions and find that charge carriers do not follow intuitive rectilinear trajectories along the slab surface, but instead ones have meander shape trajectories cross the whole thickness of the slab. Moreover, if the particle velocity is below some value, the charge moves in opposite direction to nominal current flow. This disturbance of the canonical magnetic flux density distribution and backward movement of Cooper pairs can be entire mechanism for power dissipation in superconductors. © 2021 World Scientific Publishing Company.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85102196571
PURE ID: 21868301
ISSN: 2179849
DOI: 10.1142/S0217984921502262
metadata.dc.description.sponsorship: EFT thanks financial support provided by the state assignment of Minobrnauki of Russia (theme “Pressure” No. AAAA-A18-118020190104-3) and by Act 211 Government of the Russian Federation, contract No. 02.A03.21.0006.
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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