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APS » Journals » Phys. Rev. B » Volume 37 » Issue 4
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Phys. Rev. B 37, 2364–2367 (1988)

Aperiodic superconducting phase boundary of periodic micronetworks in a magnetic field

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Franco Nori
Materials Research Laboratory, Physics Department and National Center for Supercomputing Applications, University of Illinois, Urbana, Illinois 61801 California 93106

Qian Niu
Physics Department, University of Illinois, Urbana, Illinois 61801
Physics Department, University of California, Santa Barbara, California 93106

Received 28 August 1987; published in the issue dated 1 February 1988

We study flux quantization in periodic arrays with two elementary cells having an irrational ratio of areas. In particular, we calculate the superconducting-normal phase boundary Tc(H) and we analyze the origin of its overall and fine structure as a function of the network size. We discuss our theoretical results, exploiting the electronic tight-binding analogy to the Ginzburg-Landau equations, and compare them with the experimental ones.

© 1988 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.37.2364
DOI:
10.1103/PhysRevB.37.2364
PACS:
74.10.+v, 74.60.Ge, 74.50.+r
 
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