2001/05/31 by T. R. Kirkpatrick, D. Belitz, Thomas Vojta +2 · 95 citations
Materials Science · Physics and Astronomy · #Condensed matter physics #Coupling (piping) #Ferromagnetism #Heisenberg model #Iron-based superconductors research #Magnetic susceptibility #Magnon #Materials science #Order (exchange) #Paramagnetism #Phase (matter) #Phase diagram #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Rare-earth and actinide compounds #Spin (aerodynamics) #Superconductivity #Thermodynamics #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevlett.87.127003
published in Physical Review Letters 87(12), 127003 (American Physical Society) · 4 pages, REVTeX, 4 eps figures, final version as published
openalex publication_date 2001/08/30 · arxiv created 2003/07/14 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
It is shown that the critical temperature for spin-triplet, p-wave superconductivity mediated by spin fluctuations is generically much higher in a Heisenberg ferromagnetic phase than in a paramagnetic one, due to the coupling of the magnons to the longitudinal magnetic susceptibility. Together with the tendency of the low-temperature ferromagnetic transition in very clean Heisenberg magnets to be of first order, this qualitatively explains the phase diagram recently observed in UGe(2).