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Permanent link (DOI): https://doi.org/10.7939/R3ST08

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Superfluid Hydrogen In Nanoscale Confinement Open Access

Descriptions

Other title
Subject/Keyword
Superfluidity
Confinement
Hydrogen
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Omiyinka, Tokunbo P
Supervisor and department
Boninsegni, Massimo (Physics)
Examining committee member and department
Currie, Claire (Geophysics)
Boninsegni, Massimo (Physics)
Chow, Kim (Physics)
Jung, Jan (Physics)
Department
Department of Physics
Specialization

Date accepted
2014-09-23T08:45:28Z
Graduation date
2014-11
Degree
Master of Science
Degree level
Master's
Abstract
Confinement is known to suppress order in condensed matter. This is well exemplified in phase transitions such as freezing, as well as the superfluid transition in liquid helium, which occur at lower temperatures in confinement than in the bulk. We provide in this thesis a demonstration of a physical setting in which the reverse takes place. Particularly, the enhancement of the superfluid response of parahydrogen confined to nanoscale size cavities is illustrated by means of first principle computer simulations. Prospects to stabilize and observe the long investigated but yet elusory bulk superfluid phase of parahydrogen in objectively designed porous media are discussed.
Language
English
DOI
doi:10.7939/R3ST08
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
Tokunbo Omiyinka and Massimo Boninsegni, Pair potentials and equation of state of solid para-hydrogen to megabar pressure, Physical Review B 88, 024112 (2013)Tokunbo Omiyinka and Massimo Boninsegni, Enhanced superfluid response of parahydrogen in nanoscale confinement, Physical review B 90, 064511 (2014)

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