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Více informací o knize Fermi Surface and Quantum Critical Phenomena of High-Temperature Superconductors

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Anotace knihy

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.

Parametry knihy

Zařazení knihy Knihy v angličtině Technology, engineering, agriculture Electronics & communications engineering Electronics engineering

• Plný název: Fermi Surface and Quantum Critical Phenomena of High-Temperature Superconductors
• Autor: Carsten Matthias Putzke
• Jazyk: Angličtina
• Vazba: Pevná
• Počet stran: 162
• EAN: 9783319486451
• ISBN: 3319486454
• ID: 14441284
• Nakladatelství: Springer International Publishing AG
• Hmotnost: 3967 g
• Rozměry: 235 × 155 × 16 mm
• Datum vydání: 22. November 2016

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