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Evidence of long-wavelength collective excitations in magnetic superlattices


, : Evidence of long-wavelength collective excitations in magnetic superlattices. Physical Review Letters 97(25): 256401-256401

We report on a mechanism of dynamic dipolar coupling in magnetic superlattices via long-wavelength nonevanescent fields. In the spin excitation spectra of our heterophase stripe structures, such interactions mediate a singlet<-->doublet crossover in the frequency regime driven by the orientation of an external static field. This crossover is a new feature observed in collective behavior of superlattices, though there is some analogy of this phenomenon with birefringence taking place in optical superlattices. We envision applying the collective effects described here in microwave photonic devices.

US$19.90

PMID: 17280370

DOI: 10.1103/PhysRevLett.97.256401


Other references

Oerlemans J., 1998: Modelling glacier fluctuations. Studies and Reports in Hydrology 56: 85-96

Readman P.W.; O.R.illy B.M.; Murphy T.; Makris J., 2003: A gravity anomaly map of the Irish western seaboard. Irish Journal of Earth Sciences: ages 133-142. 2003.

Benike, C.; McClements, W.; Davies, J.W., 1975: The molecular size of the RNA genome of Pseudomonas aeruginosa bacteriophage PP7. Virology 66(2): 625-628

Lozek, V., 1960: Malakozoologische Neuigkerten aus der Tschechoslowakei: VI. Casopis Narodniho Musea, 129: 72-78

Roman, J.A.; Warren, B.H.; Niven, J.I.; Graybiel, A., 1963: Some observations on the behavior of a visual target and a visual afterimage during parabolic flight maneuvers. On the basis of short intermittent exposure to accelerations above and below 1 G in high-performance aircraft, the direction of apparent displacement of a real target and a visual afterimage is summarized as follows A real target appears to be dis...

Cooper, W.C.; Vo.H.Gen, K.O., 1962: Lipoma of the corpus callosum. Report of case. Bulletin of the Los Angeles Neurological Society 27: 39-44

Park, J.Young.; Baker, L.Robert.; Somorjai, G.A., 2015: Role of hot electrons and metal-oxide interfaces in surface chemistry and catalytic reactions. Chemical Reviews 115(8): 2781-2817

Gjone, E., 1967: Malabsorption. Etiology and introduction. Tidsskrift for den Norske Laegeforening 87(9): 888-892

Cellini, L.; Del Vecchio, A.; D.C.ndia, M.; D.C.mpli, E.; Favaro, M.; Donelli, G., 2004: Detection of free and plankton-associated Helicobacter pylori in seawater. Aims: To detect both free and plankton-associated Helicobacter pylori in seawater samples collected on the Italian coast of the Adriatic Sea using a nested-PCR. Methods and Results: Dissolved oxygen, pH, salinity and chlorophyll 'a' were...

Heap S.W., 1980: The cross sectional anatomy of the vessels and ducts of the upper abdomen. A 3-dimensional drawing of the blood vessels and digestive system ducts of the [human] upper abdomen was produced and sectionalized to improve the understanding of the cross-sectional anatomy of this region.