Possibility of higher order critical fields in superconducting rings

Journal Article · Sat May 01 04:00:00 EDT 1982 · J. Low Temp. Phys.; (United States)

DOI:https://doi.org/10.1007/BF00683735· OSTI ID:5260868

Riess, J

The behavior of a small superconducting ring or hollow cylinder in an axial magnetic field is studied using the nonlinear Ginzburg--Landau equations. We find that, if the radius of the cylinder is smaller than half the superconducting coherence length xi(T), a periodic alternation between the superconducting and the normal state occurs as the magnetic field is increased. This defines higher order critical magnetic fields for vanishing and reentrant superconductivity.

• Research Organization: Centre de Recherches sur les tres Basses Temperatures, CNRS, Grenoble, France
• OSTI ID: 5260868
• Journal Information: J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 47:3; ISSN JLTPA
• Country of Publication: United States
• Language: English

Related Subjects

656102* -- Solid State Physics-- Superconductivity-- Acoustic
Electronic
Magnetic
Optical
& Thermal Phenomena-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COHERENCE LENGTH
CRITICAL FIELD
CYLINDERS
DIMENSIONS
GINZBURG-LANDAU THEORY
LENGTH
MAGNETIC FIELDS
MAGNETIC FLUX
RINGS
SUPERCONDUCTING COILS