Numerical detection of the Gardner transition in a mean-field glass former
Financiación FP7 / Fp7 Funds
Resumen: Recent theoretical advances predict the existence, deep into the glass phase, of a novel phase transition, the so-called Gardner transition. This transition is associated with the emergence of a complex free energy landscape composed of many marginally stable sub-basins within a glass metabasin. In this study, we explore several methods to detect numerically the Gardner transition in a simple structural glass former, the infinite-range Mari-Kurchan model. The transition point is robustly located from three independent approaches: (i) the divergence of the characteristic relaxation time, (ii) the divergence of the caging susceptibility, and (iii) the abnormal tail in the probability distribution function of cage order parameters. We show that the numerical results are fully consistent with the theoretical expectation. The methods we propose may also be generalized to more realistic numerical models as well as to experimental systems
Idioma: Inglés
DOI: 10.1103/PhysRevE.92.012316
Año: 2015
Publicado en: Physical Review E 92, 1 (2015), 012821 [15 pp]
ISSN: 2470-0045

Factor impacto JCR: 2.252 (2015)
Categ. JCR: PHYSICS, MATHEMATICAL rank: 6 / 53 = 0.113 (2015) - Q1 - T1
Categ. JCR: PHYSICS, FLUIDS & PLASMAS rank: 10 / 30 = 0.333 (2015) - Q2 - T2

Factor impacto SCIMAGO:

Financiación: info:eu-repo/grantAgreement/EC/FP7/247328/EU/Critical Phenomena in Random Systems/CRIPHERASY
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2012-35719-C02
Tipo y forma: Article (Published version)

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