Archivio Istituzionale della RicercaThe phenomenology of the iron pnictide superconductor can be described by the threeband s+- Eliashberg theory in which the mechanism of superconducting coupling is mediated by antiferromagnetic spin fluctuations and whose characteristic energy W0 scales with Tc according to the empirical law W0 = 4.65kBTc. This model presents the universal characteristics that are independent of the critical temperature, such as the link between the two free parameters l13 and l23 and the ratio Di/kBTc.
Mathematical and Physical Properties of Three-Band s± Eliashberg Theory for Iron Pnictides / Ummarino, Giovanni. - In: MAGNETOCHEMISTRY. - ISSN 2312-7481. - ELETTRONICO. - 9:1(2023), p. 28. [10.3390/magnetochemistry9010028]
Mathematical and Physical Properties of Three-Band s± Eliashberg Theory for Iron Pnictides
Giovanni Alberto Ummarino
2023
Abstract
The phenomenology of the iron pnictide superconductor can be described by the threeband s+- Eliashberg theory in which the mechanism of superconducting coupling is mediated by antiferromagnetic spin fluctuations and whose characteristic energy W0 scales with Tc according to the empirical law W0 = 4.65kBTc. This model presents the universal characteristics that are independent of the critical temperature, such as the link between the two free parameters l13 and l23 and the ratio Di/kBTc.
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https://hdl.handle.net/11583/2974521