Flux penetration in slab-shaped type-I superconductors

Journal Article · Fri Oct 31 23:00:00 EST 1997 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.56.11195· OSTI ID:544919

Bokil, H; Narayan, O ^[1]

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1. Department of Physics, University of California, Santa Cruz, California 95064 (United States)

We study the problem of flux penetration into type-I superconductors with a high demagnetization factor (slab geometry). We analyze the process by which flux invades the sample as the applied field is increased slowly from zero, concentrating on the role of demagnetization. We find that flux does not penetrate gradually. Rather there is an instability in the process and the flux penetrates from the boundary in a series of bursts, accompanied by the formation of isolated droplets of the normal phase, leading to a multiply connected flux-domain structure similar to what is seen in experiments. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 544919
• Journal Information: Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 17 Vol. 56; ISSN PRBMDO; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
DEMAGNETIZATION
DROPLETS
MAGNETIC FIELDS
MAGNETIC FLUX
PENETRATION DEPTH
TYPE-I SUPERCONDUCTORS