Penetration of Magnetic Field into Superconducting Mercury

Désirant, M.; Shoenberg, D.

doi:10.1038/159201b0

Cited by 14 publications

(4 citation statements)

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“…In another work by Laurmann and Shoenberg they found λ to be 43 nm for mercury by the Casimir method [16], which was only half of the result as in Ref. [15]. For tin, the measured penetration depth is 52 nm in Ref.…”

Section: Variation Of the Net Magnetic Field Intensitymentioning

confidence: 75%

“…Here, the equilibrium effective circulation radius 0 R is set to be 0.2 Å, which is reasonable for most single-element superconductors. It is obvious from Figure 2 that the net intensity of the magnetic field relative to that of externally applied field, namely For experimental measurement on single-element superconductors, as far as we know, Desirant and Shoenberg gave a penetration depth data for mercury in 1947, which ranged between 80 -112 nm [15]. In another work by Laurmann and Shoenberg they found λ to be 43 nm for mercury by the Casimir method [16], which was only half of the result as in Ref.…”

Section: Variation Of the Net Magnetic Field Intensitymentioning

confidence: 99%

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The Magnetic Penetration Depth Calculated with the Mechanism of “Close-Shell Inversion”

Shangguan,

Wang,

Huang

2023

MSCE

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Meissner effect is one of the two fundamental properties of superconductors, it allows them to actively exclude external magnetic fields from their interior, leaving the field to decay quickly from the surface to the interior within a very thin layer whose thickness is characterized by the penetration depth λ . Based on the mechanism of "close-shell inversion" for superconductivity proposed earlier, we proceed in this paper to calculate the magnetic penetration depth. It is found that repelling the external magnetic field is just a spontaneous and dynamic response of conduction electrons in superconductors. Calculation results show that the net magnetic field decays exponentially, in consistent with the existing theories and experimental data.

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Section: Variation Of the Net Magnetic Field Intensitymentioning

confidence: 75%

Section: Variation Of the Net Magnetic Field Intensitymentioning

confidence: 99%

The Magnetic Penetration Depth Calculated with the Mechanism of “Close-Shell Inversion”

Shangguan,

Wang,

Huang

2023

MSCE

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“…Tak na př. SHOEHBEBQ (v Cambridgi) se svými spolupracovníky [17] sledovali vnikání magnetic kého pole do svazku tenkých supravodivých drátků (z cínu) měřením susceptibility. PIPPABD (Cambridge) 418j použil vysokofrekvenční methody, ikterá byla později modifikována a v rozsáhlé míře používána pracovníky v kryogenické laboratoři M. I. T. [19].…”

Section: Fysika Nízkých Teplotunclassified

Physics of Low Temperatures. Part II: Superconductivity

Šimon¹

1950

Časopis Pěst. Mat. Fys.

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“…It can also be seen that B z (0) varies only slightly at low temperatures, and then dramatically decreases towards zero close to T c . Such a dependence is reminiscent of the temperature dependence of the penetration depth described by the formula [27][28][29]:…”

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confidence: 99%

Variation of local fields of pinned vortices with temperature

Zhang

Gladilin

Chen

et al. 2020

Applied Physics Letters

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Introducing artificial antidots into superconductors is an effective approach to manipulate vortex matter. It is of importance to study the effect of antidots on the magnetic field of a vortex and its temperature dependence. In our experiment, single vortices pinned at artificial antidots of different sizes as well as vortex pinned by random defects are investigated by using the scanning Hall probe microscope (SHPM). At certain height above the superconductor surface, the morphology of the vortices at various temperatures has been directly imaged. We have shown that the magnetic field distribution and its temperature dependences for all pinned vortices are similar. For both types of antidots, the penetration depth, rather than the antidot size, plays a dominant role in determining their vortex size at various temperatures. The Ginzburg-Landau (GL) simulations well support our experiments. The results set the stage for further theoretical analysis of the local field variations of the pinned vortices with temperature as well as for the design and fine tuning of pinned vortex lattices that can be used as magnetic templates for other systems.

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Penetration of Magnetic Field into Superconducting Mercury

Cited by 14 publications

References 1 publication

The Magnetic Penetration Depth Calculated with the Mechanism of “Close-Shell Inversion”

The Magnetic Penetration Depth Calculated with the Mechanism of “Close-Shell Inversion”

Physics of Low Temperatures. Part II: Superconductivity

Variation of local fields of pinned vortices with temperature

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