Metamagnetic Anomalies near Dynamic Phase Transitions

P. Riego, P. Vavassori, and A. Berger
Phys. Rev. Lett. 118, 117202 – Published 13 March 2017
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Abstract

We report the existence of anomalous metamagnetic fluctuations in the vicinity of the dynamic phase transition (DPT) that do not occur for the corresponding thermodynamic behavior of simple ferromagnets. Our results demonstrate that key characteristics associated with the DPT are qualitatively different from conventional thermodynamic phase transitions. We also provide evidence that these differences are tunable by showing that the presence of metamagnetic fluctuations and the size of the critical scaling regime depend strongly on the amplitude of the oscillating field that is driving the DPT in the first place.

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  • Received 13 June 2016

DOI:https://doi.org/10.1103/PhysRevLett.118.117202

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Statistical Physics & ThermodynamicsCondensed Matter, Materials & Applied Physics

Authors & Affiliations

P. Riego1,2, P. Vavassori1,3, and A. Berger1

  • 1CIC nanoGUNE, E-20018 Donostia-San Sebastian, Spain
  • 2Departamento de Física de la Materia Condensada, Universidad del País Vasco, UPV/EHU, E-48080 Bilbao, Spain
  • 3IKERBASQUE, The Basque Foundation for Science, E-48013 Bilbao, Spain

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Issue

Vol. 118, Iss. 11 — 17 March 2017

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