A Novel Approach to Studying Topological Phases
In the dissertation, I show some novel experimental techniques used to measure several exotic systems. A loop-less Sagnac interferometer is used to measure time reversal symmetry breaking in the 2D unconventional superconductor BiNi and a ferromagnetic 2D electron gas between between STO and PZT. Ne...
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| Main Author: | |
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| Format: | Dissertation |
| Language: | English |
| Published: |
ProQuest Dissertations & Theses
01-01-2018
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| Online Access: | Get full text |
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| Summary: | In the dissertation, I show some novel experimental techniques used to measure several exotic systems. A loop-less Sagnac interferometer is used to measure time reversal symmetry breaking in the 2D unconventional superconductor BiNi and a ferromagnetic 2D electron gas between between STO and PZT. Next, ac electrical and thermal oscillations caused by a dc current across the topological Kondo insulator SmB6 are measured and modeled, with very similar results. Additionally, a novel uniaxial strain technique is used on SmB6 to enhance surface conduction and the band gap. This technique is further used on FQHE systems to induce meta-stable phases and anisotropic stripe phases. Finally, chiral Majorana edge modes are observed in a hybrid QAHI and superconductor system, with a potential application in quantum computing. |
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| ISBN: | 9780438304093 0438304098 |