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Goldbart, Paul M. Pekker, David 2015-09-25T20:03:02Z 2015-09-25T20:03:02Z 10000-01-01 2007 2007 Due to fluctuations, either thermal or quantum, the superflow through a sufficiently narrow channel will experience dissipation. The dissipation occurs via discrete topological excitations, called phase-slips, in which vortex lines cross the superconducting or superfluid channel. The interaction between these excitations in multiply connected geometries are studied in various settings. Rich consequences are found to occur, including the sensitivity of phase-slips to the supercurrent in the bulk superfluids connected to the thin channels, as well as avalanches of phase-slips. Made available in DSpace on 2015-09-25T20:03:02Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3290349.pdf: 3900770 bytes, checksum: 59326997b6d3dbd0aadf0ceed78cd9dd (MD5) Previous issue date: 2007 Embargo set by: Seth Robbins for item 81835 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 112 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007. http://hdl.handle.net/2142/80553 (MiAaPQ)AAI3290349 eng Physics, Condensed Matter Topological Excitations and Dissipation in Superconductors and Superfluids Having Multiply Connected Geometries text Physics Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.