Results 11 to 20 of about 116 (100)

Superconductors and Gravity

open access: yesSymmetry, 2022
We review and discuss some recent developments on the unconventional interaction between superconducting systems and the local gravitational field. While it is known that gravitational perturbations (such as gravitational waves) can affect supercondensates and supercurrents dynamics, we want to focus here on the more subtle superfluid back-reaction ...
Gallerati, Antonio   +1 more
openaire   +2 more sources

Chiral superconductors [PDF]

open access: yesReports on Progress in Physics, 2016
40 pages, 8 figures, short review; added multiple references and minor edits in introductory ...
Kallin, Catherine, Berlinsky, John
openaire   +3 more sources

RESISTANCE IN SUPERCONDUCTORS [PDF]

open access: yesInternational Journal of Modern Physics B, 2010
In this pedagogical review, we discuss how electrical resistance can arise in superconductors. Starting with the idea of the superconducting order parameter as a condensate wave function, we introduce vortices as topological excitations with quantized phase winding, and we show how phase slips occur when vortices cross the sample.
Halperin, Bertrand I.   +2 more
openaire   +5 more sources

Metamaterial superconductors [PDF]

open access: yesNanophotonics, 2015
Abstract Searching for natural materials exhibiting larger electron‐electron interactions constitutes a traditional approach to high‐temperature superconductivity research. Very recently, we pointed out that the newly developed field of electromagnetic metamaterials deals with the somewhat related task of ...
Smolyaninov Igor I.   +1 more
openaire   +5 more sources

Lightning in superconductors [PDF]

open access: yesScientific Reports, 2012
Crucially important for application of type-II superconductor films is the stability of the vortex matter--magnetic flux lines penetrating the material. If some vortices get detached from pinning centres, the energy dissipated by their motion will facilitate further depinning, and may trigger a massive electromagnetic breakdown.
Vestgarden, J I   +3 more
openaire   +3 more sources

Holographic superconductors [PDF]

open access: yesJournal of High Energy Physics, 2008
It has been shown that a gravitational dual to a superconductor can be obtained by coupling anti-de Sitter gravity to a Maxwell field and charged scalar. We review our earlier analysis of this theory and extend it in two directions. First, we consider all values for the charge of the scalar field.
Hartnoll, Sean A.   +2 more
openaire   +2 more sources

Evidence for current suppression in superconductor–superconductor bilayers

open access: yesSuperconductor Science and Technology, 2023
Abstract Superconducting radio frequency (SRF) cavities, which are critical components in many particle accelerators, need to be operated in the Meissner state to avoid strong dissipation from magnetic vortices. For a defect-free superconductor, the maximum attainable magnetic field for operation is set by the superheating field,
Md Asaduzzaman   +7 more
openaire   +2 more sources

Field-induced superconducting phase in superconductor–normal metal and superconductor-superconductor bilayers [PDF]

open access: yesPhysical Review B, 2011
We study the proximity effect in a superconductor (S)-normal metal (N) bilayer under in-plane magnetic field. A compensation between the Zeeman effect and the energy splitting between bonding and anti-bonding levels leads to a magnetic field induced superconducting phase in the (H,T) phase diagram of the S-N bilayer well above the standard paramagnetic
Montiel, Xavier, Buzdin, Alexandre I.
openaire   +2 more sources

Adiabatic Pumping in a Superconductor-Normal-Superconductor Weak Link [PDF]

open access: yesPhysical Review Letters, 2005
We present a formalism to study adiabatic pumping through a superconductor - normal - superconductor weak link. At zero temperature, the pumped charge is related to the Berry phase accumulated, in a pumping cycle, by the Andreev bound states. We analyze in detail the case when the normal region is short compared to the superconducting coherence length.
Fazio Rosario   +3 more
openaire   +4 more sources

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