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dissertation_main.pdf (1.33 MB)
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Energy Dispersion, Magnetism, and Transport in Three Condensed Matter Systems
Author Info
Pike, Nicholas A
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1417604062
Abstract Details
Year and Degree
2015, Doctor of Philosophy, Ohio State University, Physics.
Abstract
We calculate energy dispersion relations, transport properties, and the effects of magnetism in three condensed matter systems. Specifically, we investigate the effects of placing chains of metallic particles in an anisotropic medium and in the presence of an external magnetic field. Specifically, we calculate the effects of these perturbations on the energy dispersion relations of the plasmons that propagate along chains of metallic particles. Next, we investigate the effects of adsorbed atoms on graphene. We find that in low concentrations these additional atoms change the density of states and create a magnetic moment that can be tuned with an appropriate external potential. Finally, we investigate the combined effects of a temperature gradient and external magnetic field on the transport properties of the semiconductor InSb. We find that the transport properties, and specifically the spin-dependent Seebeck coefficient, oscillate as a function of magnetic field as the Fermi energy crosses the Landau band minima. We also suggest that by including spin-orbit interactions in the Hamiltonian we can calculate the magnetic field dependence transverse Seebeck effect in an electron doped semiconductor such as InSb.
Committee
David Stroud, PhD (Advisor)
Ciriyam Jayaparkash, PhD (Committee Member)
Thomas Lemberger, PhD (Committee Member)
Richard Furnstahl, PhD (Committee Member)
Pages
134 p.
Subject Headings
Physics
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Citations
Pike, N. A. (2015).
Energy Dispersion, Magnetism, and Transport in Three Condensed Matter Systems
[Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417604062
APA Style (7th edition)
Pike, Nicholas .
Energy Dispersion, Magnetism, and Transport in Three Condensed Matter Systems.
2015. Ohio State University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1417604062.
MLA Style (8th edition)
Pike, Nicholas . "Energy Dispersion, Magnetism, and Transport in Three Condensed Matter Systems." Doctoral dissertation, Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417604062
Chicago Manual of Style (17th edition)
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Document number:
osu1417604062
Download Count:
559
Copyright Info
© 2015, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.