Theory of antiferromagnetic resonance
WebbAfter giving a short review of Nagamiya-Yosida’s theory of antiferromagnetic resonance, it is shown that this theory is equivalent to Gorter-Ubbink’s at absolute zero, so far as the … WebbThe resonance conditions in ferro- and antiferromagnetic resonance absorptions are obtained by the spin-wave theory. According to the usual free spin-wave theory, the …
Theory of antiferromagnetic resonance
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Webb39. Ummarino GA. Multiband s± Eliashberg theory and temperature-dependent spin-resonance energy in iron pnictide superconductors. Phys Rev B. 2011; 83: 092508. 40. … WebbFerromagnetic resonance1 describes the collective, res-onant excitation of magnetic moments in a ferromag-net and is a powerful tool to investigate a specimen’s magnetic …
WebbFerromagnetic resonance, or FMR, is coupling between an electromagnetic wave and the magnetization of a medium through which it passes. This coupling induces a significant … Webb15 maj 1951 · Theory of Antiferromagnetic Resonance. C. Kittel. Phys. Rev. 82, 565 – Published 15 May 1951. More. PDF Export Citation.
Webb1 jan. 1977 · The results of antiferromagnetic resonance measurements in NaCrS 2 ( TN =17K) are compared with the theory developed for a collinear easy-plane antiferromagnet with anisotropy in the basal plane. Reasonable agreement is obtained. Some discrepancies are attributed to low-temperature in-plane distortions. Webb24 juni 2004 · In contrast, antiferromagnetic (AFM) materials, ... Kittel, C. Theory of antiferromagnetic resonance. Phys. Rev. 82, 565 (1951) Article ADS Google Scholar ...
WebbAfter giving a short review of Nagamiya-Yosida's theory of antiferromagnetic resonance, it is shown that this theory is equivalent to Gorter-Ubbink's at absolute zero, so far as the external field H employed in the former is replaced by H' defined by 2 {H_x}'=g_aH_x, etc. and the parallel and perpendicular susceptibilities are related with obser...
WebbWe present a theory of a detector of terahertz-frequency signals based on an antiferromagnetic (AFM) crystal. The conversion of a THz-frequency electromagnetic … dandaragan shire officeWebb1 apr. 2004 · The theory of antiferromagnetic resonance (AFMR) was developed [1], [2] in the 1950s, following the development of Mean Field Theory by Weiss [3]. The theory was … birmingham al airport flight scheduleWebb18 nov. 2024 · The antiferromagnet is a closed Hermitian system, we find that its excitations, even in the absence of dissipation, can be viewed as a non-Hermitian system with dissipative coupling. birmingham al airport flightsWebbESR of antiferromagnets has been studied extensively as the antiferromagnetic resonance (AFMR) in both theoretical and experimental sides. [6, 7] In the theoretical studies, … dandaragan shire councilWebbTheory of Antiferromagnetic Resonance. Keffer, F. ; Kittel, C. The spin resonance condition ωγ=H 0 +/- [H A (2H E +H A )] 12 previously given by Kittel for a disk-shaped single … dandara isle of man ballsallaWebbAntiferromagnetic resonance frequencies for a collinear structure can be calculated relatively easily in a two-sublattice model [10]. Similar calculations for a noncollinear magnets are much less general: many-sublattice model calculations using a mean-field theory approach are very cumbersome [11], standard (Holstein-Primakoff like) spin- birmingham al airport layoutWebb29 sep. 2024 · Antiferromagnetic insulators can be a promising platform for this purpose. In addition to the benefits of low stray fields and potentially high operation speeds, they have recently been shown to be efficient systems for producing magnon spin currents using the SSE ( 19, 20 ). birmingham al airport hotels with shuttle