Arvind Baskaran
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View article: Confinement-Induced Self-Pumping in 3D Active Fluids
Confinement-Induced Self-Pumping in 3D Active Fluids Open
Two dimensional active fluids display a transition from turbulent to coherent flow upon decreasing the size of the confining geometry. A recent experiment suggests that the behavior in three dimensions is remarkably different; emergent flo…
View article: Conformational switching of chiral colloidal rafts regulates raft–raft attractions and repulsions
Conformational switching of chiral colloidal rafts regulates raft–raft attractions and repulsions Open
Significance We describe hierarchical assemblages of colloidal rods that mimic some of the complexity and reconfigurability of biological structures. We show that chiral rod-like inclusions dissolved in an achiral colloidal membrane assemb…
View article: Insensitivity of active nematic liquid crystal dynamics to topological constraints
Insensitivity of active nematic liquid crystal dynamics to topological constraints Open
Confining a liquid crystal imposes topological constraints on the orientational order, allowing global control of equilibrium systems by manipulation of anchoring boundary conditions. In this article, we investigate whether a similar strat…
View article: Theory of microphase separation in bidisperse chiral membranes
Theory of microphase separation in bidisperse chiral membranes Open
We present a Ginzburg-Landau theory of microphase separation in a bidisperse chiral membrane consisting of rods of opposite handedness. This model system undergoes a phase transition from an equilibrium state where the two components are c…
View article: Theory of microphase separation in bidisperse chiral membranes
Theory of microphase separation in bidisperse chiral membranes Open
We present a Ginzburg-Landau theory of micro phase separation in a bidisperse chiral membrane consisting of rods of opposite handendness. This model system undergoes a phase transition from an equilibrium state where the two components are…
View article: Instabilities, defects, and defect ordering in an overdamped active nematic
Instabilities, defects, and defect ordering in an overdamped active nematic Open
We consider a phenomenological continuum theory for an extensile, overdamped active nematic liquid crystal, applicable in the dense regime.
View article: Modeling the elastic energy of alloys: Potential pitfalls of continuum treatments
Modeling the elastic energy of alloys: Potential pitfalls of continuum treatments Open
Some issues that arise when modeling elastic energy for binary alloys are discussed within the context of a Keating model and density-functional calculations. The Keating model is a simplified atomistic formulation based on modeling elasti…
View article: Instabilities, defects, and defect ordering in an overdamped active nematic
Instabilities, defects, and defect ordering in an overdamped active nematic Open
We consider a phenomenological continuum theory for an extensile, overdamped active nematic liquid crystal, applicable in the dense regime. Constructed from general principles, the theory is universal, with parameters independent of any pa…