Inhomogeneous magnetic structure in clean magnetic superconductors

• Published in: Journal of low temperature physics 1983-07, Vol.52 (1-2), p.137-162
• Main Authors: BULAEVSKII, L. N, PAWJUKOV, S. V
• Format: Article
• Language: English
• Subjects: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Exact sciences and technology; Magnetic properties and materials; Physics; Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
• ISSN: 0022-2291; 1573-7357
• DOI: 10.1007/BF00681270

Clean magnetic superconductors are considered in which the phase transition into the ferromagnetic state takes place at a temp. theta in the absence of superconductivity, with theta < < T sub c1 , where T sub c1 is the superconducting critical temp. The exchange and electromagnetic interactions of electrons and localized magnetic moments and magnetic anisotropy are taken into account. Below the temp. T sub M approx theta in the superconducting state, the inhomogeneous magnetic structure of transverse one-dimensional domain-type (DS phase) should occur at real values of the exchange interaction and anisotropy. In the DS phase gapless superconductivity is realized at temp. sufficiently far from T sub M . Here the equilibrium direction of the magnetic structure wave vector Q can be changed by applying a supercurrent across the sample. The behavior of this DS phase in an external magnetic field is also considered. 29 ref.--AA