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Title:Magnetization dynamics of single molecule magnets
Author(s):Liu, Yun
Director of Research:Stone, Michael
Doctoral Committee Chair(s):Hughes, Taylor L.
Doctoral Committee Member(s):Stone, Michael; Kwiat, Paul G.; DeVille, Robert L.
Department / Program:Physics
Discipline:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):molecular magnets
spin path integrals
quantum mechanics
Abstract:Molecular magnets are a class of magneto-organic material which behave at low temperatures like a single quantum spin of large angular momentum. In this thesis we will be concerned with the spin dynamics of these molecular magnets, occurring both in isolation, and in contact with external environments and with other molecular magnets. We begin by addressing the possibility of non-Abelian adiabatic transport in molecules of half-integer spin, under slow rotations of the molecule. Next we analyze the process of dissipative spin tunneling for a single molecule interacting with a phonon bath. Finally we attend to the problem of collective magnetization in a lattice of spins coupled by dipole-dipole interactions.
Issue Date:2014-09-16
URI:http://hdl.handle.net/2142/50725
Rights Information:Copyright 2014 Yun Liu
Date Available in IDEALS:2014-09-16
Date Deposited:2014-08


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