Stability of magnetic-field induced helical phase in Rashba superconductors

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dc.creatorAgterberg, D. F.
dc.creatorKaur, R. P.
dc.date2006-12-08
dc.date.accessioned2026-07-07T07:31:37Z
dc.date.available2026-07-07T07:31:37Z
dc.descriptionDue to the lack of both parity and time reversal symmetries, the Rashba superconductors CePt_3Si, CeRhSi_3, and CeIrSi_3, in the presence of a magnetic field, are unstable to helical (single plane-wave) order. We develop a microscopic theory for such superconductors and examine the stability of this helical phase. We show that the helical phase typically occupies most of the magnetic field-temperature phase diagram. However, we also find that this phase is sometimes unstable to a multiple-q phase, in which both the magnitude and the phase of the order parameter are spatially varying. We find the position of this helical to multiple-q phase transition. We further examine the density of states and identify features unique to the helical phase.
dc.description7 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0612216
dc.identifierhttp://arxiv.org/abs/cond-mat/0612216
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118816
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleStability of magnetic-field induced helical phase in Rashba superconductors
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