A model equating the temperature-dependent phase shift to the difference in kinetic inductances of wide and narrow semirings in asymmetric aluminum rings, enabled by differing critical temperatures, explains the observed critical current maxima shifts and resolves prior experimental contradictions.
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Narrower quasi-1D aluminum structures exhibit lower critical temperatures and current densities than wider ones, with switching currents matching Kupriyanov-Lukichev theory at low T and Josephson SNS behavior near Tc.
Experimental switching currents in aluminum two-width quasi-1D structures are nonlocal and persist in high magnetic fields, radically differing from Ginzburg-Landau theory predictions and challenging known descriptions.
Negative voltages observed in quasi-1D Al superconductor structure due to quasiparticle current at N-S interface, with temperature and field dependences modeled using equilibrium or nonequilibrium fluctuations.
The Meissner effect does not require radial charge flow because persistent surface currents follow from observed angular momentum quantization rather than Lorentz force on radial charges.
citing papers explorer
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Shift of the maxima of the critical currents of different polarity relative to the zero magnetic flux along the flux axis in a superconducting asymmetric aluminum ring
A model equating the temperature-dependent phase shift to the difference in kinetic inductances of wide and narrow semirings in asymmetric aluminum rings, enabled by differing critical temperatures, explains the observed critical current maxima shifts and resolves prior experimental contradictions.
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Critical temperatures and critical currents of wide and narrow quasi-one-dimensional superconducting aluminum structures in zero magnetic field
Narrower quasi-1D aluminum structures exhibit lower critical temperatures and current densities than wider ones, with switching currents matching Kupriyanov-Lukichev theory at low T and Josephson SNS behavior near Tc.
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Unusual critical currents in quasi-one-dimensional superconducting aluminum two-width structures in a magnetic field
Experimental switching currents in aluminum two-width quasi-1D structures are nonlocal and persist in high magnetic fields, radically differing from Ginzburg-Landau theory predictions and challenging known descriptions.
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Negative nonlocal and local voltages (resistances) in a quasi-one-dimensional superconducting aluminum structure
Negative voltages observed in quasi-1D Al superconductor structure due to quasiparticle current at N-S interface, with temperature and field dependences modeled using equilibrium or nonequilibrium fluctuations.
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The Meissner effect does not require radial charge flow
The Meissner effect does not require radial charge flow because persistent surface currents follow from observed angular momentum quantization rather than Lorentz force on radial charges.