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161 papers · 1 filter
Vacancy defects in square-triangle tilings and their implications for quasicrystals formed by square-shoulder particles
Alptuğ Ulugöl, Giovanni Del Monte, Eline K. Kempkes +2
Almost all observed square-triangle quasicrystals in soft-matter systems contain a large number of point-like defects, yet the role these defects play in stabilizing the quasicryst…
Self-assembly of quasicrystals under cyclic shear
Raphaël Maire, Andrea Plati, Frank Smallenburg +1
We investigate the self-assembly of two-dimensional dodecagonal quasicrystals driven by cyclic shear, effectively replacing thermal fluctuations with plastic rearrangements. Using…
Solid-angle based nearest-neighbor algorithm adapted for systems with low coordination number
Alptuğ Ulugöl, Frank Smallenburg, Laura Filion
Nearest-neighbor identification is central to the analysis of local structure in condensed matter systems. The solid-angle-based nearest-neighbor (SANN) algorithm is widely used of…
Thickness of epithelia on wavy substrates: measurements and continuous models
Nicolas Harmand, Julien Dervaux, Christophe Poulard +1
We measured the thickness of MDCK epithelia grown on substrates with a sinusoidal profile. We show that while at long wavelength the profile of the epithelium follows that of the s…
Dynamical and structural properties of an absorbing phase transition: a case study from granular systems
Raphael Maire, Andrea Plati, Frank Smallenburg +1
We investigate the dynamical and structural properties of absorbing phase transitions (APTs) within granular systems. Specifically, we examine a model for vibrofluidized systems of…
Freezing line of polydisperse hard spheres via direct-coexistence simulations
Antoine Castagnède, Laura Filion, Frank Smallenburg
In experimental systems, colloidal particles are virtually always at least somewhat polydisperse, which can have profound effects on their ability to crystallize. Unfortunately, ac…