Magnetic polaritons in Fibonacci quasicrystals

E.l Albuquerque and E.s Guimarães

Physica A: Statistical Mechanics and its Applications, 2000, vol. 277, issue 3, 405-414

Abstract: A macroscopic theory is employed to investigate the magnetic polariton spectra in pure and generalized Fibonacci magnetic quasicrystals. The polariton spectra are evaluated in the geometry where the wave vector and the applied field are in the same plane (Voigt geometry). They are calculated for both ferromagnetic and antiferromagnetic orders by using a transfer-matrix approach. Numerical results for the ferromagnets EuS and for the antiferromagnet MnF2 are presented to discuss the fractal aspect of the spectra, including the localization of the modes as well as their scaling properties.

Keywords: Fractal behavior; Scaling properties; Quasi-crystals; Polaritons (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:277:y:2000:i:3:p:405-414

DOI: 10.1016/S0378-4371(99)00501-4

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