Zobrazeno 1 - 10
of 55
pro vyhledávání: '"DeGiuli, E."'
Autor:
DeGiuli, E.
Publikováno v:
Phys. Rev. Lett. 122, 128301 (2019)
Many complex generative systems use languages to create structured objects. We consider a model of random languages, defined by weighted context-free grammars. As the distribution of grammar weights broadens, a transition is found from a random phase
Externí odkaz:
http://arxiv.org/abs/1809.01201
Autor:
DeGiuli, E.
Publikováno v:
Phys. Rev. Lett. 121, 118001 (2018)
Glasses at low temperature fluctuate around their inherent states; glassy anomalies reflect the structure of these states. Recently there have been numerous observations of long-range stress correlations in glassy materials, from supercooled liquids
Externí odkaz:
http://arxiv.org/abs/1808.01811
Autor:
DeGiuli, E.
Publikováno v:
Phys. Rev. E 98, 033001 (2018)
A minimal description of the inherent states of amorphous solids is presented. Using field theory, applicable when a system is probed at long length scales, it is shown that athermal amorphous solids have long-range correlations in their stresses, as
Externí odkaz:
http://arxiv.org/abs/1804.04834
Autor:
DeGiuli, E., Wyart, M.
Publikováno v:
PNAS 114, 35, 9284-9289 (2017)
The macroscopic friction of particulate materials often weakens as the flow rate is increased, leading to potentially disastrous intermittent phenomena including earthquakes and landslides. We theoretically and numerically study this phenomenon in si
Externí odkaz:
http://arxiv.org/abs/1704.00740
Autor:
DeGiuli, E., McElwaine, J. N.
Comment on O. Gendelman, Y. G. Pollack, I. Procaccia, S. Sengupta, and J. Zylberg, Physical Review Letters 116, 078001 (2016).
Comment: 1 page
Comment: 1 page
Externí odkaz:
http://arxiv.org/abs/1606.09026
Publikováno v:
Phys. Rev. E 95, 012605 (2017)
We use numerical simulations to study the effect of particle friction on suspension flows of non-Brownian hard particles. By systematically varying the microscopic friction coefficient $\mu_p$ and the viscous number $J$, we build a phase diagram that
Externí odkaz:
http://arxiv.org/abs/1606.07650
Publikováno v:
Phys. Rev. E 94, 012904 (2016)
Flows of hard granular materials depend strongly on the interparticle friction coefficient $\mu_p$ and on the inertial number ${\cal I}$, which characterizes proximity to the jamming transition where flow stops. Guided by numerical simulations, we de
Externí odkaz:
http://arxiv.org/abs/1509.03512
Publikováno v:
J. Chem. Phys. 142, 164503 (2015)
A theory for the microscopic structure and the vibrational properties of soft sphere glass at finite temperature is presented. With an effective potential, derived here, the phase diagram and vibrational properties are worked out around the Maxwell c
Externí odkaz:
http://arxiv.org/abs/1501.06995
Publikováno v:
Phys. Rev. E 91, 062206 (2015)
Rheological properties of dense flows of hard particles are singular as one approaches the jamming threshold where flow ceases, both for aerial granular flows dominated by inertia, and for over-damped suspensions. Concomitantly, the lengthscale chara
Externí odkaz:
http://arxiv.org/abs/1410.3535
Publikováno v:
Proc. Natl. Acad. Sci. USA 111 (2014), 17054
We study theoretically and numerically the elastic properties of hard sphere glasses, and provide a real-space description of their mechanical stability. In contrast to repulsive particles at zero-temperature, we argue that the presence of certain pa
Externí odkaz:
http://arxiv.org/abs/1402.3834