Searching for 2D Superconductivity in La2−xSrxCuO4 Single Crystals
Seiten
2020
|
1st ed. 2019
Springer International Publishing (Verlag)
978-3-030-23063-0 (ISBN)
Springer International Publishing (Verlag)
978-3-030-23063-0 (ISBN)
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.
Introduction.- Stiffnessometer, a Magnetic-Field-Free Superconducting Stiffness Meter and Its Application.- The Nature of the Phase Transition in the Cuprates as Revealed by the Stffnessometer.- Opening a Nodal Gap by Fluctuating Spin-Density-Wave in Lightly Doped La2-xSrxCuO4.- Conclusions
| Erscheinungsdatum | 08.08.2020 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XVII, 63 p. 42 illus., 37 illus. in color. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 147 g |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Festkörperphysik |
| Technik ► Elektrotechnik / Energietechnik | |
| Technik ► Maschinenbau | |
| Schlagworte | Critical Current • Cuprate superconductors • LSCO superconductor • nodal gap in superconductor • Penetration depth • phase transition • Stiffness tensor measurement • Superconducting stiffness tensor |
| ISBN-10 | 3-030-23063-5 / 3030230635 |
| ISBN-13 | 978-3-030-23063-0 / 9783030230630 |
| Zustand | Neuware |
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