Fermi Surface and Quantum Critical Phenomena of High-Temperature Superconductors - Springer Theses (Hardback)Carsten Matthias Putzke (author)
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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.
Publisher: Springer International Publishing AG
Number of pages: 162
Weight: 3967 g
Dimensions: 235 x 155 x 11 mm
Edition: 1st ed. 2017
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