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Title:Universal properties of low-temperature glass
Author(s):Zhou, Di
Director of Research:Leggett, Anthony J
Doctoral Committee Chair(s):Stone, Michael
Doctoral Committee Member(s):Peng, Jen-Chieh; Cooper, Lance S
Department / Program:Physics
Discipline:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Tunneling-two-level-system (TTLS)
Universality
Glass
Abstract:Amorphous solids (glasses) present universal properties strikingly different from that of crystalline counterparts at low temperatures, regardless of their microscopic nature. Tunneling-two-level-system model (TTLS model) successfully explained several universalities below 1K, but it cannot explain the other glass low-temperature universal properties. Based on virtual phonon exchange interaction, we develop a glass generic coupled block model to discuss two universal properties: sound velocity/dielectric constant shift, and low-temperature mechanical avalanche problem. We also successfully explain the universal property of glass Meissner-Berret ratio by using our generic coupled block model.
Issue Date:2016-06-20
Type:Thesis
URI:http://hdl.handle.net/2142/93012
Rights Information:2016 by Di Zhou. All rights reserved.
Date Available in IDEALS:2016-11-10
Date Deposited:2016-08


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