Positive field-cooled dc susceptibility in granular superconductors interpreted through numerical simulations on a simple Josephson-junction-array model

Journal Article · Mon May 01 00:00:00 EDT 1995 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.51.12844· OSTI ID:44587

Auletta, C; Raiconi, G ^[1]; De Luca, R; Pace, S ^[2]

---

1. Dipartimento di Informatica, Universita degli Studi di Salerno, 84081 Baronissi, Salerno (Italy)
2. Dipartimento di Fisica, Universita degli Studi di Salerno, 84081 Baronissi, Salerno (Italy)

We have performed numerical simulations of a field-cooled dc susceptibility experiment carried out for granular superconductors by modeling these systems with a simple Josephson-junction array proposed by the authors. By this analysis the temperature dependence of the positive field-cooled susceptibility at very low values of the applied magnetic field, observed by Braunisch {ital et} {ital al}. [Phys. Rev. Lett. 68, 1908 (1992)] for some ceramic superonductors, has been reproduced and interpreted.

• OSTI ID: 44587
• Journal Information: Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 18 Vol. 51; ISSN PRBMDO; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
CERAMICS
COMPUTERIZED SIMULATION
GRANULAR MATERIALS
JOSEPHSON JUNCTIONS
MAGNETIC SUSCEPTIBILITY
SUPERCONDUCTORS
TEMPERATURE DEPENDENCE