✦ LIBER ✦

Influencing the approach to the localization threshold

✍ Scribed by N. Garcia; J.H. Li; W. Polkosnik; T.D. Cheung; P.H. Tsang; A.A. Lisyansky; A.Z. Genack

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 600 KB
Volume: 175
Category: Article
ISSN: 0921-4526
DOI: 10.1016/0921-4526(91)90682-5

No coin nor oath required. For personal study only.

✦ Synopsis

We argue that the Thouless criterion for localization is universal. Because the Thouless number 6 is the ratio of the width and spacing of the modes of the sample, it can be adjusted by changing the macroscopic characteristics of the sample, such as the transverse dimensions, the reflectivity at the boundaries and the character of internal microstructure resonances. We find the dependence of the correlation parameter 8 -1 and hence of the proximity to the localization threshold upon these characteristics. These results are illustrated by microwave and optical experiments.

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