Searching for 2D Superconductivity in La2-xSrxCuO4 Single Crystals
Kapon, Itzik
Produktnummer:
18154d7a3fe401425e89f07f5a15103d7a
| Autor: | Kapon, Itzik |
|---|---|
| Themengebiete: | Critical Current Cuprate superconductors LSCO superconductor Penetration Depth Phase Transition Stiffness tensor measurement Superconducting stiffness tensor nodal gap in superconductor |
| Veröffentlichungsdatum: | 25.07.2019 |
| EAN: | 9783030230609 |
| Sprache: | Englisch |
| Seitenzahl: | 63 |
| Produktart: | Gebunden |
| Verlag: | Springer International Publishing |
Produktinformationen "Searching for 2D Superconductivity in La2-xSrxCuO4 Single Crystals"
A new experimental method – the "Stiffnessometer", is developed to measure elementary properties of a superconductor, including the superconducting stiffness and the critical current. This technique has many advantages over existing methods, such as: the ability to measure these properties while minimally disturbing the system; the ability to measure large penetration depths (comparable to sample size), as necessary when approaching the critical temperature; and the ability to measure critical currents without attaching contacts and heating the sample. The power of this method is demonstrated in a study of the penetration depth of LSCO, where striking evidence is found for two separate critical temperatures for the in-plane and out-of-plane directions. The results in the thesis are novel, important and currently have no theoretical explanation. The stiffnessometer in a tool with great potential to explore new grounds in condensed matter physics.
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