Structural phase transition in the mixed state of superconducting films in a parallel magnetic field

Luzhbin, Dmytro

doi:10.1134/s0021364011090098

Cited by 2 publications

(2 citation statements)

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“…At higher fields, more of these rows are formed, with the vortex configuration changing discretely. 29,30 Such discrete changes were observed in measurements of the subgap conductance of thin films of PbIn. 27 Supporting this interpretation, we see that the peaks in α are correlated with kinks in G 0 and with dips in the height of the quasi-particle peaks.…”

Section: T (H ≈ H Fe ) and 6 T (H > H Fe ) (F)−(h)mentioning

confidence: 86%

“…According to theory, in a thin film in a parallel magnetic field above H F E , vortices initially form a 1D row within the sample, preventing further flux from entering. At higher fields, more of these rows are formed, with the vortex configuration changing discretely [28,29]. Such discrete changes were observed in measurements of the subgap conductance of thin films of PbIn [26].…”

Section: Multiple Entries Of Vorticesmentioning

confidence: 99%

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Tunneling into the Vortex State of NbSe₂ with van der Waals Junctions

et al. 2018

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We have performed device-based tunnelling spectroscopy of NbSe 2 in the vortex state with a magnetic field applied both parallel and perpendicular to the a − b plane. Our devices consist of layered semiconductors placed on top of exfoliated NbSe 2 using the van der Waals transfer technique. At zero field, the spectrum exhibits a hard gap, and the quasiparticle peak is split into low and high energy features. The two features, associated with the effective two-band nature of superconductivity in NbSe 2 , exhibit markedly distinct responses to the application of magnetic field, suggesting an order-of-magnitude difference in the spatial extent of the vortex cores of the two bands. At energies below the superconducting gap, the hard gap gives way to vortex-bound Caroli-de Gennes-Matricon states, allowing the detection of individual vortices as they enter and exit the junction. Analysis of the sub-gap spectra upon application of parallel magnetic field allows us to track the process of vortex surface formation and spatial rearrangement in the bulk.

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Section: T (H ≈ H Fe ) and 6 T (H > H Fe ) (F)−(h)mentioning

confidence: 86%

Section: Multiple Entries Of Vorticesmentioning

confidence: 99%