Driving rate effects in avalanche-mediated first-order phase transitions

Francisco Jose Perez-Reche; Bosiljka Tadic; Lluis Manosa; Antoni Planes; Eduard Vives

doi:10.1103/PhysRevLett.93.195701

Driving rate effects in avalanche-mediated first-order phase transitions

Francisco Jose Perez-Reche, Bosiljka Tadic, Lluis Manosa, Antoni Planes, Eduard Vives

Physics

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

Abstract

We study the driving-rate and temperature dependence of the power-law exponents that characterize the avalanche distribution in first-order phase transitions. Measurements of acoustic emission in structural transitions in Cu-Zn-Al and Cu-Al-Ni are presented. We show how the observed behavior emerges within a general framework of competing time scales of avalanche relaxation, driving rate, and thermal fluctuations. We confirm our findings by numerical simulations of a prototype model.

Original language	English
Article number	195701
Number of pages	4
Journal	Physical Review Letters
Volume	93
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.93.195701
Publication status	Published - 5 Nov 2004

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title = "Driving rate effects in avalanche-mediated first-order phase transitions",

abstract = "We study the driving-rate and temperature dependence of the power-law exponents that characterize the avalanche distribution in first-order phase transitions. Measurements of acoustic emission in structural transitions in Cu-Zn-Al and Cu-Al-Ni are presented. We show how the observed behavior emerges within a general framework of competing time scales of avalanche relaxation, driving rate, and thermal fluctuations. We confirm our findings by numerical simulations of a prototype model.",

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AU - Perez-Reche, Francisco Jose

AU - Tadic, Bosiljka

AU - Manosa, Lluis

AU - Planes, Antoni

AU - Vives, Eduard

PY - 2004/11/5

Y1 - 2004/11/5

N2 - We study the driving-rate and temperature dependence of the power-law exponents that characterize the avalanche distribution in first-order phase transitions. Measurements of acoustic emission in structural transitions in Cu-Zn-Al and Cu-Al-Ni are presented. We show how the observed behavior emerges within a general framework of competing time scales of avalanche relaxation, driving rate, and thermal fluctuations. We confirm our findings by numerical simulations of a prototype model.

AB - We study the driving-rate and temperature dependence of the power-law exponents that characterize the avalanche distribution in first-order phase transitions. Measurements of acoustic emission in structural transitions in Cu-Zn-Al and Cu-Al-Ni are presented. We show how the observed behavior emerges within a general framework of competing time scales of avalanche relaxation, driving rate, and thermal fluctuations. We confirm our findings by numerical simulations of a prototype model.

U2 - 10.1103/PhysRevLett.93.195701

DO - 10.1103/PhysRevLett.93.195701

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VL - 93

JO - Physical Review Letters

JF - Physical Review Letters

IS - 19

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Driving rate effects in avalanche-mediated first-order phase transitions

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