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From Molecular Dynamics to hydrodynamics - a novel Galilean invariant
thermostat: This article proposes a novel thermostat applicable to any particle-based
dynamic simulation. Each pair of particles is thermostated either (with
probability P) with a pairwise Lowe-Andersen thermostat, or (with probability
1-P) with a ... | cond-mat_soft |
Geometrically-protected reversibility in hydrodynamic Loschmidt-echo
experiments: We demonstrate an archetypal Loschmidt-echo experiment involving thousands of
droplets which interact in a reversible fashion via a viscous fluid. Firstly,
we show that, unlike equilibrium systems, periodically driven microfluidic
emuls... | cond-mat_soft |
Local stress and pressure in an inhomogeneous system of spherical active
Brownian particles: The stress of a fluid on a confining wall is given by the mechanical wall
forces, independent of the nature of the fluid being passive or active. At
thermal equilibrium, an equation of state exists and stress is likewise
obta... | cond-mat_soft |
On the rheology of a liquid-vapor interface: The mass and momentum balances are theoretically studied in heterogeneous
two-component systems. Following Gibbs the system is presented as two bulk and
a single surface phases. Comparing the equations derived with some typical
rheological models, useful information about th... | cond-mat_soft |
Capillary-gravity waves: a "fixed-depth" analysis: We study the onset of the wave-resistance due to the generation of
capillary-gravity waves by a partially immersed moving object in the case where
the object is hold at a fixed immersion depth. We show that, in this case, the
wave resistance varies continuously with th... | cond-mat_soft |
Propagation velocity of slip front and emergence of macroscopic static
friction in the system with vanishing local static friction: We investigate the propagation of the slip front in the elastic body on the
rigid substrate. We first obtain the slip profile and the slip front velocity
of the steady state by employing... | cond-mat_soft |
Surface Granular flows: Two Related Examples: Granular surface flows are common in industrial practice and natural systems,
however, theoretical description of such flows is at present incomplete. Two
prototype systems involving surface flow are compared: heap formation by
pouring at a point and rotating cylinders. Con... | cond-mat_soft |
Current-Voltage Characteristics and non-Gaussian fluctuations in two
different protein light receptors: We investigate conductance and conductance fluctuations of two transmembrane
proteins, bacteriorhodopsin and proteorhodopsin, belonging to the family of
protein light receptors. These proteins are widely diffused i... | cond-mat_soft |
Tilting behavior of lamellar ice tip during unidirectional freezing of
aqueous solutions: Freezing of ice has been largely reported from many aspects, especially its
complex pattern formation. Ice grown from liquid phase is usually
characteristic of lamellar morphology which plays a significant role in various
domain... | cond-mat_soft |
Disjoining Pressure and the Film-Height-Dependent Surface Tension of
Thin Liquid Films: New Insight from Capillary Wave Fluctuations: In this paper we review simulation and experimental studies of thermal
capillary wave fluctuations as an ideal means for probing the underlying
disjoining pressure and surface tensions... | cond-mat_soft |
Signatures of granular microstructure in dense shear flows: Granular materials react to shear stresses differently than do ordinary
fluids. Rather than deforming uniformly, materials such as dry sand or
cohesionless powders develop shear bands: narrow zones containing large
relative particle motion leaving adjacent reg... | cond-mat_soft |
Multiscale modeling of polymers at interfaces: A brief review of modeling and simulation methods for a study of polymers at
interfaces is provided. When studying truly multiscale problems as provided by
realistic polymer systems, coarse graining is practically unavoidable. In this
process, degrees of freedom on smaller... | cond-mat_soft |
Tree frog-inspired nanopillar arrays for enhancement of adhesion and
friction: Bioinspired structure adhesives have received increasing interest for many
applications, such as climbing robots and medical devices. Inspired by the
closely packed keratin nanopillars on the toe pads of tree frogs, tightly
arranged polyca... | cond-mat_soft |
Influence of constraints on axial growth reduction of cylindrical Li-ion
battery electrode particles: Volumetric expansion of silicon anode particles in a lithium-ion battery
during charging may lead to the generation of undesirable internal stresses.
For a cylindrical particle such growth may also lead to failure by... | cond-mat_soft |
Stiff quantum polymers: At ultralow temperatures, polymers exhibit quantum behavior, which is
calculated here for the second and fourth moments of the end-to-end
distribution in the large-stiffness regime. The result should be measurable for
polymers in wide optical traps. | cond-mat_soft |
Complex Fluids with Mobile Charge-Regulated Macro-Ions: We generalize the concept of charge regulation of ionic solutions, and apply
it to complex fluids with mobile macro-ions having internal non-electrostatic
degrees of freedom. The suggested framework provides a convenient tool for
investigating systems where mobile... | cond-mat_soft |
Flexible confinement leads to multiple relaxation regimes in glassy
colloidal liquids: Understanding relaxation of supercooled fluids is a major challenge and
confining such systems can lead to bewildering behaviour. Here we exploit an
optically confined colloidal model system in which we use reduced pressure as a
co... | cond-mat_soft |
Characterization of invariant patterns in a slowly rotated granular
tumbler: We report experimental results of the pattern developed by a mixture of two
types of grains in a triangular rotating tumbler operating in the avalanche
regime. At the centroid of the triangular tumbler an invariant zone appears
where the gra... | cond-mat_soft |
Implicit Chain Particle Model for Polymer Grafted Nanoparticles: Matrix-free nanocomposites made from polymer grafted nanoparticles (PGN)
represent a paradigm shift in materials science because they greatly improve
nanoparticle dispersion and offer greater tunability over rheological and
mechanical properties in compar... | cond-mat_soft |
Universal Particle Kinetic Distribution in Crowded Environments: We study many-particle transport in heterogeneous, crowded environments at
different particle P\'{e}clet numbers ($Pe^*$). We demonstrate that a modified
Nakagami-$m$ function describes particle velocity probability distributions
when particle deposition ... | cond-mat_soft |
Time dependent current in a nonstationary environment: A microscopic
approach: Based on a microscopic system reservoir model,where the associated bath is
not in thermal equilibrium, we simulate the nonstationary Langevin dynamics and
obtained the generalized nonstationary fluctuation dissipation relation (FDR)
which ... | cond-mat_soft |
Oscillations and damping in the fractional Maxwell materials: This paper examines the oscillatory behaviour of complex viscoelastic systems
with power law-like relaxation behaviour. Specifically, we use the fractional
Maxwell model, consisting of a spring and fractional dashpot in series, which
produces a power-law cre... | cond-mat_soft |
Self-assembly of anisotropic soft particles in two dimensions: The self assembly of core-corona discs interacting via anisotropic potentials
is investigated using Monte Carlo computer simulations. A minimal interaction
potential that incorporates anisotropy in a simple way is introduced. It
consists in a core-corona ar... | cond-mat_soft |
Effective charge versus bare charge for colloids in the infinite
dilution limit: We propose an analytical approximation for the dependence of the effective
charge on the bare charge for spherical and cylindrical macro-ions as a
function of the size of the colloid and salt content, for the situation of a
unique colloi... | cond-mat_soft |
Non-Gaussian statistics of electrostatic fluctuations of hydration
shells: We report the statistics of electric field fluctuations produced by SPC/E
water inside a Kihara solute given as a hard-sphere core with a Lennard-Jones
layer at its surface. The statistics of electric field fluctuations, obtained
from numerica... | cond-mat_soft |
Molecular and all solid DFT studies of the magnetic and chemical bonding
properties within KM[Cr(CN)$_6$] (M = V, Ni) complexes: A study at both the molecular and extended solid level in the framework DFT
is carried out for KM[Cr(CN)$_6$] (M = V, Ni). From molecular calculations, the
exchange parameters J are obtaine... | cond-mat_soft |
A geometrically controlled rigidity transition in a model for confluent
3D tissues: The origin of rigidity in disordered materials is an outstanding open problem
in statistical physics. Previously, a class of 2D cellular models has been
shown to undergo a rigidity transition controlled by a mechanical parameter
that ... | cond-mat_soft |
Membrane lateral structure: The influence of immobilized particles on
domain size: In experiments on model membranes, a formation of large domains of different
lipid composition is readily observed. However, no such phase separation is
observed in the membranes of intact cells. Instead, a structure of small
transient... | cond-mat_soft |
Stabilization of frictional sliding by normal load modulation: A
bifurcation analysis: This paper presents the stability analysis of a system sliding at low
velocities ($< 100 \mu$m.s$^{-1}$) under a periodically modulated normal load,
preserving interfacial contact. Experiments clearly evidence that normal
vibration... | cond-mat_soft |
Stresses in lipid membranes: The stresses in a closed lipid membrane described by the Helfrich
hamiltonian, quadratic in the extrinsic curvature, are identified using
Noether's theorem. Three equations describe the conservation of the stress
tensor: the normal projection is identified as the shape equation describing
e... | cond-mat_soft |
On the interaction of viscoelasticity and waviness in enhancing the
pull-off force in sphere/flat contacts: Motivated by roughness-induced adhesion enhancement (toughening and
strengthening) in low modulus materials, we study the detachment of a sphere
from a substrate in the presence of both viscoelastic dissipation... | cond-mat_soft |
Separation of long DNA chains using non-uniform electric field: a
numerical study: We study migration of DNA molecules through a microchannel with a series of
electric traps controlled by an ac electric field. We describe the motion of
DNA based on Brownian dynamics simulations of a beads-spring chain. Our
simulation... | cond-mat_soft |
Spontaneous chiralization of polar active colloids: Polar active particles constitute a wide class of synthetic colloids that are
able to propel along a preferential direction, given by their polar axis. Here,
we demonstrate a generic self-phoretic mechanism that leads to their
spontaneous chiralization through a symme... | cond-mat_soft |
Phase behaviour of the confined lattice gas Lebwohl-Lasher model: The phase behaviour of the Lebwohl-Lasher lattice gas model (one of the
simplest representations of a nematogenic fluid) confined in a slab is
investigated by means of extensive Monte Carlo simulations. The model is known
to yield a first order gas-liqui... | cond-mat_soft |
Analytical approach to chiral active systems: suppressed phase
separation of interacting Brownian circle swimmers: We consider chirality in active systems by exemplarily studying the phase
behavior of planar systems of interacting Brownian circle swimmers with a
spherical shape. Continuing previous work presented in ... | cond-mat_soft |
Field-mediated interactions of passive and conformation-active
particles: multibody and retardation effects: Particles in soft matter often interact through the deformation field they
create, as in the "cheerios" effect or the curvature-mediated interactions of
membrane proteins. Using a simple model for field-mediat... | cond-mat_soft |
Spin polarizability of a trapped superfluid Fermi gas: The polarization produced by the relative displacement of the potentials
trapping two spin species of a dilute Fermi gas with $N_\ua=N_\da$ is
calculated at unitarity by assuming phase separation between the superfluid and
a spin polarized phase at zero temperature... | cond-mat_soft |
Ordering at two length scales in comb-coil diblock copolymers consisting
of only two different monomers: The microphase separated morphology of a melt of a specific class of
comb-coil diblock copolymers, consisting of an AB comb block and a linear
homopolymer A block, is analyzed in the weak segregation limit. On inc... | cond-mat_soft |
Exotic states of matter in an oscillatory driven liquid crystal cell: Matter under different equilibrium conditions of pressure and temperature
exhibits different states such as solid, liquid, gas, and plasma. Exotic states
of matter, such as Bose- Einstein condensates, superfluidity, chiral magnets,
superconductivity,... | cond-mat_soft |
A Simple Tensorial Theory of Smectic C Liquid Crystals: The smectic C (smC) phase represents a unique class of liquid crystal phases
characterised by the layered arrangement of molecules with tilted orientations
with respect to layer normals. Building upon the real-valued tensorial smectic
A (smA) model in [Xia et al.,... | cond-mat_soft |
A threshold model of plastic waste fragmentation: New insights into the
distribution of microplastics in the ocean and its evolution over time: Plastic pollution in the aquatic environment has been assessed for many years
by ocean waste collection expeditions around the globe or by river sampling.
While the total amo... | cond-mat_soft |
Theory of helicoids and skyrmions in confined cholesteric liquid
crystals: Cholesteric liquid crystals experience geometric frustration when they are
confined between surfaces with anchoring conditions that are incompatible with
the cholesteric twist. Because of this frustration, they develop complex
topological defe... | cond-mat_soft |
Fractional solitons in non-Euclidian elastic plates: We show that minimal-surface non-Euclidean elastic plates share the same
low-energy effective theory as Haldane's dimerized quantum spin chain. As a
result, such elastic plates support fractional excitations, which take the form
of charge-$1/2$ solitons between degen... | cond-mat_soft |
Fluctuations of particle motion in granular avalanches - from the
microscopic to the macroscopic scales: In this study, we have investigated the fluctuations of particle motion, i.e.
the non-affine motion, during the avalanche process, discovering a rich
dynamics from the microscopic to the macroscopic scales. We fin... | cond-mat_soft |
Dynamics of a deformable self-propelled domain: We investigate the dynamical coupling between the motion and the deformation
of a single self-propelled domain based on two different model systems in two
dimensions. One is represented by the set of ordinary differential equations
for the center of gravity and two tensor... | cond-mat_soft |
Influence of nano confinement on nematic liquid crystals: We explore the nematic ordering of the rod-like liquid crystals 5CB and 6CB,
embedded into parallel-aligned nanochannels in mesoporous silicon and silica
membranes as a function of mean channel radius (4.7<=R <=8.3 nm), and thus
geometrical confinement strength,... | cond-mat_soft |
Perturbation Theory for Path Integrals of Stiff Polymers: The wormlike chain model of stiff polymers is a nonlinear $\sigma$-model in
one spacetime dimension in which the ends are fluctuating freely. This causes
important differences with respect to the presently available theory which
exists only for periodic and Diri... | cond-mat_soft |
Overdamped thermal ratchets in one and more dimensions. Kinesin
transport and protein folding: The overdamped thermal ratchet driven by an external (Orstein-Uhlenbeck)
noise is revisited. The ratchet we consider is unbounded in space and not
necessarily periodic . We briefly discuss the conditions under which current... | cond-mat_soft |
Casimir and pseudo-Casimir interactions in confined polyelectrolytes: We investigate the pseudo-Casimir force acting between two charged surfaces
confining a single polyelectrolyte chain with opposite charge. We expand the
exact free energy to the second order in the local electrostatic field as well
as the replicated ... | cond-mat_soft |
Protein-Polymer Mixtures in the Colloid Limit: Aggregation,
Sedimentation and Crystallization: While proteins have been treated as particles with a spherically symmetric
interaction, of course in reality the situation is rather more complex. A
simple step towards higher complexity is to treat the proteins as
non--sph... | cond-mat_soft |
Dielectric relaxation of thin films of polyamide random copolymers: We investigate the relaxation behavior of thin films of a polyamide random
copolymer, PA66/6I, with various film thicknesses using dielectric relaxation
spectroscopy. Two dielectric signals are observed at high temperatures, the
$\alpha$-process and th... | cond-mat_soft |
Coarse-Grained Simulation of DNA using LAMMPS: During the last decade coarse-grained nucleotide models have emerged that
allow us to DNA and RNA on unprecedented time and length scales. Among them is
oxDNA, a coarse-grained, sequence-specific model that captures the
hybridisation transition of DNA and many structural p... | cond-mat_soft |
Stretching necklaces: Polyelectrolytes in poor solvents show a necklace structure where collapsed
polymer pearls are linked to stretched strings. In the present paper the
elasticity of such chains is studied in detail. Different deformation regimes
are addressed. The first is the continuous regime, where many pearls ar... | cond-mat_soft |
Mean field analysis of Williams-Bjerknes type growth: We investigate a class of stochastic growth models involving competition
between two phases in which one of the phases has a competitive advantage. The
equilibrium populations of the competing phases are calculated using a mean
field analysis. Regression probabiliti... | cond-mat_soft |
Non-uniqueness of local stress of three-body potentials in molecular
simulations: Microscopic stress fields are widely used in molecular simulations to
understand mechanical behavior. Recently, decomposition methods of multibody
forces to central force pairs between the interacting particles have been
proposed. Here,... | cond-mat_soft |
Bending and Twisting Elasticity: a Revised Marko-Siggia Model on DNA
Chirality: A revised Marko-Siggia elastic model for DNA double helix [Macromolecules 27,
981 (1994)] is proposed, which includes the WLC bending energy and a new chiral
twisting energy term. It is predicted that the mean helical repeat length (HRL)
... | cond-mat_soft |
Unfolding designable structures: Among an infinite number of possible folds, nature has chosen only about 1000
distinct folds to form protein structures. Theoretical studies suggest that
selected folds are intrinsically more designable than others; these selected
folds are unusually stable, a property called the design... | cond-mat_soft |
Depinning and heterogeneous dynamics of colloidal crystal layers under
shear flow: Using Brownian dynamics (BD) simulations and an analytical approach we
investigate the shear-induced, nonequilibrium dynamics of dense colloidal
suspensions confined to a narrow slit-pore. Focusing on situations where the
colloids arra... | cond-mat_soft |
Yield drag in a two-dimensional foam flow around a circular obstacle:
Effect of liquid fraction: We study the two-dimensional flow of foams around a circular obstacle within
a long channel. In experiments, we confine the foam between liquid and glass
surfaces. In simulations, we use a deterministic software, the Surf... | cond-mat_soft |
Active nematic flows confined in a two dimensional channel with hybrid
alignment at the walls: a unified picture: Active nematic fluids confined in narrow channels generate spontaneous flows
when the activity is sufficiently intense. Recently, it was shown that if the
molecular anchoring at the channel walls is confl... | cond-mat_soft |
Comparing simulated specific heat of liquid polymers and oligomers to
experiments: The specific heat is a central property of condensed matter systems including
polymers and oligomers in their condensed phases. Yet, predictions of this
quantity from molecular simulations and successful comparisons to experimental
dat... | cond-mat_soft |
Effect of shear force on the separation of double stranded DNA: Using the Langevin Dynamics simulation, we have studied the effects of the
shear force on the rupture of short double stranded DNA at different
temperatures. We show that the rupture force increases linearly with the chain
length and approaches to the asym... | cond-mat_soft |
Acoustic emission signals resulting from the drying induced fractures of
Phyllostachys Pubescens bamboo, Evidence of scale free phenomena: I have performed experimental measurements of acoustic emission signals
resulting from the drying process of Phyllostachys Pubescens bamboo. The
emphasis was on identifying indivi... | cond-mat_soft |
Multidimensional optical fractionation with holographic verification: The trajectories of colloidal particles driven through a periodic potential
energy landscape can become kinetically locked in to directions dictated by the
landscape's symmetries. When the landscape is realized with forces exerted by a
structured lig... | cond-mat_soft |
Defect-mediated morphologies in growing cell colonies: Morphological trends in growing colonies of living cells are at the core of
physiological and evolutionary processes. Using active gel equations, which
include cell division, we show that shape changes during the growth can be
regulated by the dynamics of topologic... | cond-mat_soft |
An Ising-Like model for protein mechanical unfolding: The mechanical unfolding of proteins is investigated by extending the
Wako-Saito-Munoz-Eaton model, a simplified protein model with binary degrees of
freedom, which has proved successful in describing the kinetics of protein
folding. Such a model is generalized by i... | cond-mat_soft |
Liquid-Crystal Transitions: A First Principles Multiscale Approach: A rigorous theory of liquid-crystal transitions is developed starting from
the Liouville equation. The starting point is an all-atom description and a set
of order parameter field variables that are shown to evolve slowly via Newton's
equations. The se... | cond-mat_soft |
Diffusion constant for the repton model of gel electrophoresis: The repton model is a simple model of the "reptation" motion by which DNA
diffuses through a gel during electrophoresis. In this paper we show that the
model can be mapped onto a system consisting of two types of particles with
hard-sphere interactions dif... | cond-mat_soft |
Classifying the age of a glass based on structural properties: A machine
learning approach: It is well established that physical aging of amorphous solids is governed by
a marked change in dynamical properties as the material becomes older.
Conversely, structural properties such as the radial distribution function
ex... | cond-mat_soft |
Dynamics of cylindrical droplets on flat substrate: Lattice Boltzmann
modeling versus simple analytic models: The steady state motion of cylindrical droplets under the action of external
body force is investigated both theoretically and via lattice Boltzmann
simulation. As long as the shape-invariance of droplet is m... | cond-mat_soft |
Friction of viscoelastic elastomers with rough surfaces under torsional
contact conditions: Frictional properties of contacts between a smooth viscoelastic rubber and
rigid surfaces are investigated using a torsional contact configuration where a
glass lens is continuously rotated on the rubber surface. From the inve... | cond-mat_soft |
Rotational and translational dynamics in dense fluids of patchy
particles: We explore the effect of directionality on rotational and translational
relaxation in glassy systems of patchy particles. Using molecular dynamics
simulations we analyze the impact of two distinct patch geometries, one that
enhance local icosa... | cond-mat_soft |
Directed transport of active particles over asymmetric energy barriers: We theoretically and numerically investigate the transport of active colloids
to target regions, delimited by asymmetric energy barriers. We show that it is
possible to introduce a generalized effective temperature that is related to
the local vari... | cond-mat_soft |
Quantum Theory of Chiral Interactions in Cholesteric Liquid Crystals: We study the effective chiral interaction between molecules arising from
quantum dispersion interactions within a model in which a) the dominant excited
states of a molecule form a band whose width is small compared to the average
excitation energy a... | cond-mat_soft |
Phase transitions and ordering of confined dipolar fluids: We apply a modified mean-field density functional theory to determine the
phase behavior of Stockmayer fluids in slitlike pores formed by two walls with
identical substrate potentials. Based on the Carnahan-Starling equation of
state, a fundamental-measure theo... | cond-mat_soft |
Fabrication of Fiber-Reinforced Polymer Ceramic Composites by Wet
Electrospinning: We propose a novel approach of wet electrospinning to yield fiber-reinforced
polymer ceramic composites, where a reactive ceramic precursor gel is used as a
collector. We illustrate our approach by generating polyethylene oxide (PEO)
f... | cond-mat_soft |
Novel polymer nanocomposite composed of organic nanoparticles via
self-assembly: We report a novel class of polymer nanocomposite composed of organic
nanoparticles dispersed in polymer matrix, with the particle sizes of 30-120 nm
in radius. The organic nanoparticles were formed by the self-assembly of
protonated poly... | cond-mat_soft |
Colloidal Particles at Chiral Liquid Crystal Interfaces: Colloidal particles trapped at an interface between two fluids can form a
wide range of different structures. Replacing one of the fluid with a liquid
crystal increases the complexity of interactions and results in a greater range
of possible structures. New beha... | cond-mat_soft |
Vesiculation mechanisms mediated by anisotropic proteins: Endocytosis is an essential biological process for the trafficking of
macromolecules (cargo) and membrane proteins in cells. In yeast cells, this
involves the invagination of a tubular structure on the membrane and the
formation of endocytic vesicles. Bin/Amphip... | cond-mat_soft |
Motility and Swimming: Universal Description and Generic Trajectories: Autonomous locomotion is a ubiquitous phenomenon in biology and in physics of
active systems at microscopic scale. This includes prokaryotic, eukaryotic
cells (crawling and swimming) and artificial swimmers. An outstanding feature
is the ability of ... | cond-mat_soft |
Spheroid Model for Molecular Packing in Crystalline Phase: Dense packing of particles has provided important models to study the
structure of matter in various systems such as liquid, glassy and crystalline
phase, etc. The simplest sphere packing models are able to represent and
capture salient properties of the buildi... | cond-mat_soft |
Spectral holographic trapping: Creating dynamic force landscapes with
polyphonic waves: Acoustic trapping uses forces exerted by sound waves to transport small
objects along specified trajectories in three dimensions. The structure of the
acoustic force landscape is governed by the amplitude and phase profiles of the... | cond-mat_soft |
Multi-valent Ion Mediated Polyelectrolyte Association and Structure: Polyelectrolytes are commonly used to chelate multi-valent ions in aqueous
solutions, playing a critical role in water softening and the prevention of
mineralization. At sufficient ionic strength, ion-mediated
polyelectrolyte--polyelectrolyte interact... | cond-mat_soft |
Phase behaviour of coarse-grained fluids: Soft condensed matter structures often challenge us with complex many-body
phenomena governed by collective modes spanning wide spatial and temporal
domains. In order to successfully tackle such problems mesoscopic
coarse-grained (CG) statistical models are being developed, pro... | cond-mat_soft |
Nanoparticles modulate contact angle hysteresis in electrowetting: The pinning of the contact line adversely influences the electrowetting
performance of sessile liquid droplets. In this paper, we report the
electrowetting hysteresis characteristics of 100 mM aq. KCl sessile liquid
droplet placed on a hydrophobic PDMS ... | cond-mat_soft |
Drag Law of Two Dimensional Granular Fluids: The drag force law acting on a moving circular disk in a two-dimensional
granular medium is analyzed based on the discrete element method (DEM). It is
remarkable that the drag force on the moving disk in moderate dense and pure
two-dimensional granular medium can be well rep... | cond-mat_soft |
Numerical and Experimental Investigation of Static Wetting Morphologies
of Aqueous Drops on Lubricated Slippery Surfaces Using a Quasi-Static
Approach: Due to the slow dynamics of the wetting ridge, it is challenging to predict
the wetting morphology of liquid drops on thin lubricant coated surfaces. It is
hypothes... | cond-mat_soft |
Aggregation of magnetic holes in a rotating magnetic field: We have experimentally investigated field induced aggregation of nonmagnetic
particles confined in a magnetic fluid layer when rotating magnetic fields were
applied. After application of a magnetic field rotating in the plane of the
fluid layer, the single par... | cond-mat_soft |
Phase Separation by Entanglement of Active Polymerlike Worms: We investigate the aggregation and phase separation of thin, living T.
tubifex worms that behave as active polymers. Randomly dispersed active worms
spontaneously aggregate to form compact, highly entangled blobs, a process
similar to polymer phase separatio... | cond-mat_soft |
Critical scaling for dense granular flow between parallel plates near
jamming: We numerically study the flow of dense granular materials between parallel
plates driven by an external force. The granular materials form a jammed
solid-like state when the external force is below a critical force, while they
flow like fl... | cond-mat_soft |
Dynamic buckling and fragmentation in brittle rods: We present experiments on the dynamic buckling and fragmentation of slender
rods axially impacted by a projectile. By combining the results of Saint-Venant
and elastic beam theory, we derive a preferred wavelength lambda for the
buckling instability, and experimentall... | cond-mat_soft |
Tilting behavior of lamellar ice tip during unidirectional freezing of
aqueous solutions: Freezing of ice has been largely reported from many aspects, especially its
complex pattern formation. Ice grown from liquid phase is usually
characteristic of lamellar morphology which plays a significant role in various
domain... | cond-mat_soft |
Shear recovery and temperature stability of Ca2+ and Ag+ glycolipid
fibrillar metallogels with unusual $β$-sheet-like domains: Low-molecular weight gelators (LMWG) are small molecules (Mw < ~1 kDa), which
form self-assembled fibrillar networks (SAFiN) hydrogels in water. The great
majority of SAFiN gels is described ... | cond-mat_soft |
Anomalous distribution functions in sheared suspensions: We investigate velocity probability distribution functions (PDF) of sheared
hard-sphere suspensions. As observed in our Stokes flow simulations and
explained by our single-particle theory, these PDFs can show pronounced
deviations from a Maxwell-Boltzmann distrib... | cond-mat_soft |
Synchronized molecular dynamics simulation via macroscopic heat and
momentum transfer: an application to polymer lubrication: The synchronized molecular dynamics simulation via macroscopic heat and
momentum transfer is proposed for the non-isothermal flow behaviors of complex
fluids. In this method, the molecular dyn... | cond-mat_soft |
Embryo as an active granular fluid: stress-coordinated cellular
constriction chains: Mechanical stress plays an intricate role in gene expression in individual
cells and sculpting of developing tissues. However, systematic methods of
studying how mechanical stress and feedback help to harmonize cellular
activities wi... | cond-mat_soft |
Gap maps and intrinsic diffraction losses in one-dimensional photonic
crystal slabs: A theoretical study of photonic bands for one-dimensional (1D) lattices
embedded in planar waveguides with strong refractive index contrast is
presented. The approach relies on expanding the electromagnetic field on the
basis of guid... | cond-mat_soft |
From Liquid Structure to Configurational Entropy: Introducing Structural
Covariance: We connect the configurational entropy of a liquid to the geometrical
properties of its local energy landscape, using a high-temperature expansion.
It is proposed that correlations between local structures arises from their
overlap a... | cond-mat_soft |
Four-boson scale near a Feshbach resonance: We show that an independent four-body momentum scale $\mu_{(4)}$ drives the
tetramer binding energy for fixed trimer energy (or three-body scale
$\mu_{(3)}$) and large scattering length ($a$). The three- and four-body forces
from the one-channel reduction of the atomic intera... | cond-mat_soft |
Viscous dynamics of drops and bubbles in Hele-Shaw cells: drainage, drag
friction, coalescence, and bursting: In this review article, we discuss recent studies on drops and bubbles in
Hele-Shaw cells, focusing on how scaling laws exhibit crossovers from the
three-dimensional counterparts and focusing on topics in whi... | cond-mat_soft |
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