Unconventional superconductivity in CeCoIn5 with magnetic texture and orbital quantization

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dc.creatorRadovan, H. A.
dc.creatorFortune, N. A.
dc.creatorMurphy, T. P.
dc.creatorHannahs, S. T.
dc.creatorPalm, E. C.
dc.creatorTozer, S. W.
dc.creatorHall, D.
dc.date2003-04-23
dc.date.accessioned2026-07-07T02:50:56Z
dc.date.available2026-07-07T02:50:56Z
dc.descriptionA sufficiently high magnetic field applied to a superconductor will act on both the charge and the spin of the individual electrons breaking up the Cooper pairs. If the spin effect dominates, the superconducting state can develop a texture before eventually entering the normal state with increasing magnetic field. This spatially varying superconducting state is a periodic array of magnetic walls separated by superconducting regions. Known as the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase, it was predicted in 1964. We report heat capacity measurements on the heavy fermion superconductor, CeCoIn5, which reveal a second phase transition within the superconducting state, clear evidence of the FFLO phase. We also report magnetization measurements that display a cascade of first order phase transitions within the FFLO region. Each transition indicates an increase in orbital momentum of the superconducting order parameter and corresponds to a specific Landau level vortex state comprised of multiquanta vortices. The experimental realization of the FFLO state provides a new opportunity to study the symbiosis of magnetism and superconductivity, two states of matter once thought to be mutually exclusive.
dc.descriptionSubmitted to Nature (Dec. 27, 2002)
dc.identifierhttps://arxiv.org/abs/cond-mat/0304526
dc.identifierhttp://arxiv.org/abs/cond-mat/0304526
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21280
dc.subjectStrongly Correlated Electrons
dc.titleUnconventional superconductivity in CeCoIn5 with magnetic texture and orbital quantization
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