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oai:www.ideals.illinois.edu:2142/93012 2023-07-11 col_2142_8859 col_2142_5131 com_2142_8858 com_2142_234 com_2142_5130

Leggett, Anthony J. Stone, Michael Peng, Jen-Chieh Cooper, S. Lance Zhou, Di 2016-11-10T18:39:10Z 2016-11-10T18:39:10Z 2018-11-11T10:15:36Z 2016-06-20 2016-08 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. Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2018-08-01 The student, Di Zhou, accepted the attached license on 2016-06-18 at 10:59. The student, Di Zhou, submitted this Dissertation for approval on 2016-06-18 at 11:09. This Dissertation was approved for publication on 2016-06-20 at 13:12. DSpace SAF Submission Ingestion Package generated from Vireo submission #9678 on 2016-11-10 at 12:24:36 Made available in DSpace on 2016-11-10T18:39:10Z (GMT). No. of bitstreams: 2 ZHOU-DISSERTATION-2016.pdf: 906254 bytes, checksum: a3e231eb8dd2ab243078b3dff570e280 (MD5) LICENSE.txt: 4204 bytes, checksum: 6aa74e099ff3a5eb012e32ce40c98ba2 (MD5) Previous issue date: 2016-06-20 Embargo set by: Seth Robbins for item 95434 Lift date: 2018-11-10T18:39:22Z Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system Embargo set by: Seth Robbins for item 95434 Lift date: 2018-11-10T18:43:22Z Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system U of I Only Restriction Lifted for Item 95434 on 2018-11-11T10:15:36Z. application/pdf http://hdl.handle.net/2142/93012 en 2016 by Di Zhou. All rights reserved. Tunneling-two-level-system (TTLS) Universality Glass Universal properties of low-temperature glass text text Physics Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.