T
Tomás S. Grigera
Researcher at National University of La Plata
Publications - 112
Citations - 3029
Tomás S. Grigera is an academic researcher from National University of La Plata. The author has contributed to research in topics: Phase transition & Boundary value problem. The author has an hindex of 25, co-authored 100 publications receiving 2561 citations. Previous affiliations of Tomás S. Grigera include Istituto Nazionale di Fisica Nucleare & Northeastern University.
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Thermodynamic signature of growing amorphous order in glass-forming liquids
TL;DR: In this paper, the authors show that the influence of the boundary propagates into the bulk over increasing length scales on cooling, and with the increase of this static correlation length, the influence on the boundary decays non-exponentially.
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Information transfer and behavioural inertia in starling flocks.
Alessandro Attanasi,Andrea Cavagna,Lorenzo Del Castello,Irene Giardina,Tomás S. Grigera,Tomás S. Grigera,Asla Jelic,Stefania Melillo,Leonardo Parisi,Oliver Pohl,Edward Shen,Massimiliano Viale +11 more
TL;DR: It is found that information about direction changes propagates across the flock with a linear dispersion law and negligible attenuation, hence minimizing group decoherence and suggesting that swift decision-making may be the adaptive drive for the strong behavioural polarization observed in many living groups.
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Phonon interpretation of the 'boson peak' in supercooled liquids
Tomás S. Grigera,Victor Martin-Mayor,Victor Martin-Mayor,Giorgio Parisi,Paolo Verrocchio,Paolo Verrocchio +5 more
TL;DR: The numerical results agree with the predictions of euclidean random matrix theory on the existence of a sharp phase transition between an amorphous elastic phase and a phonon-free one.
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Geometric approach to the dynamic glass transition.
TL;DR: The potential energy landscape of a fragile glassy system is numerically studied and it is found that the dynamic crossover corresponding to the glass transition is actually the effect of an underlying geometric transition caused by the vanishing of the instability index of saddle points of the potential energy.
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Fast Monte Carlo algorithm for supercooled soft spheres
Tomás S. Grigera,Giorgio Parisi +1 more
TL;DR: A nonlocal Monte Carlo algorithm with particle swaps that greatly accelerates thermalization of soft sphere binary mixtures in the glassy region and finds behavior compatible with a thermodynamic glass transition.