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Kniha Fermi Surface and Quantum Critical Phenomena of High-Temperature Superconductors CARSTEN MATT PUTZKE

Fermi Surface and Quantum Critical Phenomena of High-Temperature Superconductors

Autor: CARSTEN MATT PUTZKE
Jazyk: Angličtina
Vazba: Brožovaná
Vydavatel: Springer International Publishing AG
Dostupnost: Skladem u dodavatele
Odesíláme za 5-8 dnů
2 286 Kč
This thesis provides a detailed introduction to quantum oscillation measurement and analysis and off...

Informace o knize

Autor
CARSTEN MATT PUTZKE
Jazyk
Angličtina
Vazba
Kniha - Brožovaná
Vydáno
2018
Stránek
162
EAN
9783319839844
ISBN
9783319839844
Enbook ID
19784978
Vydavatel
Springer International Publishing AG
Hmotnost
2818
Rozměry
155 x 235 x 235

Kompletní popis

This thesis provides a detailed introduction to quantum oscillation measurement and analysis and offers a connection between Fermi surface properties and superconductivity in high-temperature superconductors. It also discusses the field of iron-based superconductors and tests the models for the appearance of nodes in the superconducting gap of a 111-type pnictide using quantum oscillation measurements combined with band structure calculation. The same measurements were carried out to determine the quasiparticle mass in BaFe2(As1-xPx)2, which is strongly enhanced at the expected quantum critical point. While the lower superconducting critical field shows evidence of quantum criticality, the upper superconducting critical field is not influenced by the quantum critical point. These findings contradict conventional theories, demonstrating the need for a theoretical treatment of quantum critical superconductors, which has not been addressed to date. The quest to discover similar evidence in the cuprates calls for the application of extreme conditions. As such, quantum oscillation measurements were performed under high pressure in a high magnetic field, revealing a negative correlation between quasiparticle mass and superconducting critical temperature.

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