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  Critical Magnetic Field of Ultra-Thin Superconducting Films and Interfaces

Zwicknagl, G., Jahns, S., & Fulde, P. (2017). Critical Magnetic Field of Ultra-Thin Superconducting Films and Interfaces. Journal of the Physical Society of Japan, 86(8): 083701. doi:10.7566/JPSJ.86.083701.

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 Creators:
Zwicknagl, Gertrud1, Author
Jahns, Simon1, Author
Fulde, Peter2, Author           
Affiliations:
1external, ou_persistent22              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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Free keywords: Superconductivity and magnetism
 MPIPKS: Strongly correlated electrons
 Abstract: We derive an analytic expression for the temperature dependent critical magnetic field parallel to ultra-thin superconducting films with Rashba spin-orbit interaction. Thereby we cover the range from small to large spin-orbit interactions. compared with the gap parameter Delta(0). We find that at a critical spin-orbit energy lambda(c) a first-order phase transition takes place at which the pairing momentum of the Cooper pairs changes discontinuously. We speculate that this might give raise to new phenomena. With increasing lambda/Delta(0) the pair formation changes from inter-band to intra-band pairing. For lambda > lambda(c) a dimensional cross-over of the critical field from two to one dimension is taking place.

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Language(s): eng - English
 Dates: 2017-07-062017-08-15
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000406393000003
DOI: 10.7566/JPSJ.86.083701
 Degree: -

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Title: Journal of the Physical Society of Japan
Source Genre: Journal
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Publ. Info: Tokyo : The Society
Pages: - Volume / Issue: 86 (8) Sequence Number: 083701 Start / End Page: - Identifier: ISSN: 0031-9015
CoNE: https://pure.mpg.de/cone/journals/resource/954925433407