Classical Mechanical Analogies in Wide Dirty SFS Junctions

Baker, Thomas E.; Icreverzi, Ovidiu E.; Richie-Halford, Adam; Bill, Andreas

doi:10.1007/s10948-012-1646-6

J Supercond Nov Magn

2012

DOI: 10.1007/s10948-012-1646-6

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Classical Mechanical Analogies in Wide Dirty SFS Junctions

Thomas E. Baker

Ovidiu E. Icreverzi

Adam Richie-Halford

et al.

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Cited by 2 publications

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“…The solution for the equation without spinflip scattering has been presented in Ref. [20] and shown to agree with approximate and numerical results [13,16,21,22]. The use of the closed, analytic form of Ref.…”

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confidence: 70%

Cascading proximity effects in rotating magnetizations

Baker

Richie-Halford

Icreverzi

et al. 2014

EPL

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We demonstrate two effects that occur in all diffusive superconducting-magnetic heterostructures with rotating magnetization: the reappearance of singlet |0, 0 correlations deep in the magnetic material and a cascade of s = 1, m = 0, ±1 components (in the two spin−1/2 basis |s, m ). We do so by examining the order parameter and Josephson current through a multilayer with five mutually perpendicular ferromagnets. The properties of the middle layer determine whether the current is due to m = 0 or m = 0 contributions. We conclude that so-called long-and short-range components are present across a proximity system with rotating magnetization.

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mentioning

confidence: 70%

Cascading proximity effects in rotating magnetizations

Baker

Richie-Halford

Icreverzi

et al. 2014

EPL

Self Cite

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Role of canting and depleted-triplet minima in superconducting spin valve structures

Baker

Bill

2018

Phys. Rev. B

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The trilayer and pentalayer spin valve structures are revisited to determine the behavior of pair correlations and Josephson current when the magnetic layers are canted at arbitrary angle. The two systems display markedly different behaviors in the center magnetic layer. While the trilayer generates a triplet component that is weakly affected by canting, the pentalayer tunes in singlet pair correlations depending heavily on canting. We also show that a minimum with depleted m = ±1 triplet components, rather than a 0 − π transition, may be observed in the current profile Ic(dF ) of a trilayer spin valve. The depleted-triplet minimum (DTM) is directly attributable to a decrease of m = ±1 triplet correlations with increased thickness of the central ferromagnet, accompanied by a hidden, simultaneous sign change of the Gor'kov functions contributed from the left and right superconductors. We introduce a toy model for superconducting-magnetic proximity systems to better illuminate the behavior of individual components of the Gor'kov function and compare with a full numerical calculation. arXiv:1802.08196v1 [cond-mat.supr-con]

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Classical Mechanical Analogies in Wide Dirty SFS Junctions

Cited by 2 publications

References 3 publications

Cascading proximity effects in rotating magnetizations

Cascading proximity effects in rotating magnetizations

Role of canting and depleted-triplet minima in superconducting spin valve structures

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