This article is cited in 11 papers

CONDENSED MATTER

Collective dynamics of magnetic vortices in an array of interacting nanodots

P. D. Kim^a, V. A. Orlov^b, R. Yu. Rudenko^a, V. S. Prokopenko^b, I. N. Orlova^b, S. S. Zamai<sup>c

a</sup> Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia
^b Krasnoyarsk State Pedagogical University, ul. Ady Lebedevoi 89, Krasnoyarsk, 660049, Russia
^c Krasnoyarsk State Medical University, Krasnoyarsk, 660022, Russia

Abstract: The lift of the degeneracy of the resonance frequency of motion of the core of a magnetic vortex in a square array of nanodots has been experimentally detected. The appearance of a frequency multiplet has been theoretically explained. It has been shown that a reason for the lift of degeneracy can be the magnetostatic interaction between nanodots.

Received: 11.03.2015
Revised: 18.03.2015

DOI: 10.7868/S0370274X1508010X

 English version: Journal of Experimental and Theoretical Physics Letters, 2015, 101:8, 562–567

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