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Robust synchronization of spin-torque oscillators with an LCR load.

Authors
  • Pikovsky, Arkady
Type
Published Article
Journal
Physical Review E
Publisher
American Physical Society (APS)
Publication Date
Sep 01, 2013
Volume
88
Issue
3
Pages
32812–32812
Identifiers
PMID: 24125317
Source
Medline
License
Unknown

Abstract

We study dynamics of a serial array of spin-torque oscillators with a parallel inductor-capacitor-resistor (LCR) load. In a large range of parameters the fully synchronous regime, where all the oscillators have the same state and the output field is maximal, is shown to be stable. However, not always such a robust complete synchronization develops from a random initial state; in many cases nontrivial clustering is observed, with a partial synchronization resulting in a quasiperiodic or chaotic mean-field dynamics.

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