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Efficient creation of molecules from a cesium Bose-Einstein condensate: We report a new scheme to create weakly bound Cs$_2$ molecules from an atomic
Bose-Einstein condensate. The method is based on switching the magnetic field
to a narrow Feshbach resonance and yields a high atom-molecule conversion
efficiency of more... | cond-mat_soft |
Why monovalent salt reduces charge inversion of macroion by trivalent
counterions: A macroion with a strongly charged negative surface in 3:1 salt water
solution becomes net positive due to adsorption of an excessive number of
positive 3-ions. The widely accepted theory of such charge inversion is based
on the idea t... | cond-mat_soft |
Shear hardening in frictionless amorphous solids near the jamming
transition: The jamming transition, generally manifested by a rapid increase of rigidity
under compression (i.e., compression hardening), is ubiquitous in amorphous
materials. Here we study shear hardening in deeply annealed frictionless
packings gener... | cond-mat_soft |
Complex Transport Phenomena in a Simple Lattice Gas System: The transport phenomena of a nonequilibrium lattice gas system are
investigated. We consider a simple system that consists of two particles
interacting repulsively and the potential forces acting on these particles.
Under an external driving field applied to o... | cond-mat_soft |
Geometric order parameters derived from the Voronoi tessellation show
signatures of the jamming transition: A jammed packing of frictionless spheres at zero temperature is perfectly
specified by the network of contact forces from which mechanical properties can
be derived. However, we can alternatively consider a pac... | cond-mat_soft |
Conservation laws of an electro-active polymer: Ionic electro-active polymers (E.A.P.) is an active material consisting in a
polyelectrolyte (for example Nafion). Such material is usually used as thin
film sandwiched between two platinum electrodes. The polymer undergoes large
bending motions when an electric field is ... | cond-mat_soft |
Speckle-visibility spectroscopy: A tool to study time-varying dynamics: We describe a multispeckle dynamic light scattering technique capable of
resolving the motion of scattering sites in cases that this motion changes
systematically with time. The method is based on the visibility of the speckle
pattern formed by the... | cond-mat_soft |
Effects of static and temporally fluctuating tensions on semiflexible
polymer looping: Biopolymer looping is a dynamic process that occurs ubiquitously in cells for
gene regulation, protein folding, etc. In cellular environments, biopolymers
are often subject to tensions which are either static, or temporally
fluctua... | cond-mat_soft |
Morphology Formation in Binary Mixtures upon Gradual Destabilisation: Spontaneous liquid-liquid phase separation is commonly understood in terms of
phenomenological mean-field theories. These theories correctly predict the
structural features of the fluid at sufficiently long time scales and
wavelengths. However, these... | cond-mat_soft |
A Transition State Theory for Calculating Hopping Times and Diffusion in
Highly Confined Fluids: Monte Carlo simulation is used to study the dynamical crossover from single
file diffusion to normal diffusion in fluids confined to narrow channels. We
show that the long time diffusion coefficients for a series of syste... | cond-mat_soft |
There and back again: bridging meso- and nanoscales to understand lipid
vesicle patterning: We describe a complete methodology to bridge the scales between nanoscale
Molecular Dynamics and (micrometer) mesoscale Monte Carlo simulations in lipid
membranes and vesicles undergoing phase separation, in which curving mole... | cond-mat_soft |
Velocity profile of granular flows down a heap described by dimensional
analysis: Gravity-driven thick granular flows are relevant to many industrial and
geophysical processes. In particular, it is important to know and understand
the particle velocity distributions as we get deeper into the flow from the
free surfac... | cond-mat_soft |
Dipole-dipole correlations in the nematic phases of symmetric
cyanobiphenyl dimers and their binary mixtures with 5CB: We report on the temperature dependence of birefringence and of the static
dielectric permittivity tensor in a series of binary mixtures between the
symmetric, bent-shaped, 1",9"-bis(4-cyanobiphenyl-... | cond-mat_soft |
Asymmetric crystallization during cooling and heating in model
glass-forming systems: We perform molecular dynamics (MD) simulations of the crystallization process
in binary Lennard-Jones systems during heating and cooling to investigate
atomic-scale crystallization kinetics in glass-forming materials. For the
coolin... | cond-mat_soft |
Hydroanalysis of Animal Lysozymes c and Human Defensins a: Proteins appear to be the most dramatic natural example of self-organized
criticality (SOC), a concept that explains many otherwise apparently unlikely
phenomena. Protein functionality is dominated by long range
hydro(phobic/philic) interactions which both driv... | cond-mat_soft |
Capillary fracture of ultrasoft gels: heterogeneity and delayed
nucleation: A droplet of surfactant spreading on an ultrasoft ($E \lesssim 100$ Pa) gel
substrate will produce capillary fractures at the gel surface; these fractures
originate at the contact-line and propagate outwards in a starburst pattern.
There is a... | cond-mat_soft |
Velocity-driven frictional sliding: Coarsening and steady-state pulse
trains: Frictional sliding is an intrinsically complex phenomenon, emerging from the
interplay between driving forces, elasto-frictional instabilities, interfacial
nonlinearity and dissipation, material inertia and bulk geometry. We show that
homog... | cond-mat_soft |
Water and Ice Dielectric Spectra Scaling at 0 °C: Dielectric spectra (10^4-10^11 Hz) of water and ice at 0 {\deg}C are
considered in terms of proton conductivity and compared to each other. In this
picture, the Debye relaxations, centered at 1/{\tau}_W ~ 20 GHz (in water) and
1/{\tau}_I ~ 5 kHz (in ice), are seen as ma... | cond-mat_soft |
Dynamics of collapsing and exploding Bose-Einstein condensed vortex
state: Using the time-dependent mean-field Gross-Pitaevskii equation we study the
dynamics of small repulsive Bose-Einstein condensed vortex states of ^{85}Rb
atoms in a cylindrical trap with low angular momentum hbar L per atom (L <= 6),
when the at... | cond-mat_soft |
Multiphase coexistence in polydisperse colloidal mixtures: We study the phase behavior of mixtures of monodisperse colloidal spheres
with a depletion agent which can have arbitrary shape and can possess a
polydisperse size or shape distribution. In the low concentration limit,
considered here, we can employ the free-vo... | cond-mat_soft |
Percolation in binary mixtures of linkers and particles: chaining {\it
{vs}} branching: Equilibrium gels of colloidal particles can be realized through the
introduction of a second species, a linker that mediates the bonds between the
colloids. A gel forming binary mixture whose linkers can self-assemble into
linear ... | cond-mat_soft |
Grain refinement and partitioning of impurities in the grain boundaries
of a colloidal polycrystal: We study the crystallization of a colloidal model system in presence of
secondary nanoparticles acting as impurities. Using confocal microscopy, we
show that the nanoparticles segregate in the grain boundaries of the c... | cond-mat_soft |
Morphological Transitions during Melting of Small Cylindrical Aggregates: Most studies on melting under confinement focus only on the solid and liquid
melt phases. Despite of its ubiquity, contributions from the capillary
interface (liquid / vapor interface) are often neglected. In this study the
melting behavior of sm... | cond-mat_soft |
Local orientational mobility in regular hyperbranched polymers: We study the dynamics of local bond orientation in regular hyperbranched
polymers modeled by Vicsek fractals. The local dynamics is investigated through
the temporal autocorrelation functions of single bonds and the corresponding
relaxation forms of the co... | cond-mat_soft |
Surface Roughness and Hydrodynamic Boundary Conditions: We report results of investigations of a high-speed drainage of thin aqueous
films squeezed between randomly nanorough surfaces. A significant decrease in
hydrodynamic resistance force as compared with predicted by Taylor's equation
is observed. However, this redu... | cond-mat_soft |
The role of correlations in the collective behaviour of microswimmer
suspensions: In this Letter, we study the collective behaviour of a large number of
self-propelled microswimmers immersed in a fluid. Using unprecedently
large-scale lattice Boltzmann simulations, we reproduce the transition to
bacterial turbulence.... | cond-mat_soft |
Molecular simulations of sliding on SDS surfactant films: We use molecular dynamics simulations to study the frictional response of the
anionic surfactant sodium dodecyl sulfate (SDS) monolayers and hemicylindrical
aggregates physisorbed on gold. Our simulations of a sliding spherical asperity
reveals two friction regi... | cond-mat_soft |
Characterization of the sub-micrometer hierarchy levels in the
twist-bend nematic phase with nanometric helices via photopolymerization.
Explanation for the sign reversal in the polar response: Photo-polymerization of a reactive mesogen mixed with a mesogenic dimer,
shown to exhibit the twist-bend nematic phase ($N... | cond-mat_soft |
Condensed states of a semiflexible copolymer in poor solvent: Figures of
eight and discrete size torii: We examine the condensed states of a simple semiflexible copolymer in which
there are two monomer types that are immiscible with each other and with the
solvent. Although this is similar to the well known problem o... | cond-mat_soft |
Topology mediated organization of E.coli chromosome in fast growth
conditions: Recent experiments have been able to visualise chromosome organization in
fast-growing E.coli cells. However, the mechanism underlying the
spatio-temporal organization remains poorly understood. We propose that the DNA
adopts a specific po... | cond-mat_soft |
Gel-state nucleation in multilamellar vesicles of
dimyristoylphosphatidylcholine and its relation to the critical temperature:
A lattice model and microcalorimetry: Differential microcalorimetric measurements have been performed in aqueous
dispersions of dimyristoylphosphatidylcholine (DMPC) multilamellar vesicles ... | cond-mat_soft |
Controlling polymer translocation with crowded medium and polymer length
asymmetry: Polymer translocation in crowded environments is a ubiquitous phenomenon in
biological systems. We studied polymer translocation through a pore in free,
one-sided (asymmetric), and two-sided (symmetric) crowded environments.
Extensive... | cond-mat_soft |
Dynamic model and stationary shapes of fluid vesicles: A phase-field model that takes into account the bending energy of fluid
vesicles is presented. The Canham-Helfrich model is derived in the
sharp-interface limit. A dynamic equation for the phase-field has been solved
numerically to find stationary shapes of vesicle... | cond-mat_soft |
Contact-line pinning controls how quickly colloidal particles
equilibrate with liquid interfaces: Previous experiments have shown that spherical colloidal particles relax to
equilibrium slowly after they adsorb to a liquid-liquid interface, despite the
large interfacial energy gradient driving the adsorption. The slo... | cond-mat_soft |
Shear induced drainage in foamy yield-stress fluids: Shear induced drainage of a foamy yield stress fluid is investigated using
MRI techniques. Whereas the yield stress of the interstitial fluid stabilizes
the system at rest, a fast drainage is observed when a horizontal shear is
imposed. It is shown that the sheared i... | cond-mat_soft |
Local dielectric spectroscopy of near-surface glassy polymer dynamics: A non-contact scanning-probe-microscopy method was used to probe local
near-surface dielectric susceptibility and dielectric relaxation in
poly-vinyl-acetate (PVAc) near the glass transition. Dielectric spectra were
measured from 10-4 Hz to 102 Hz a... | cond-mat_soft |
Second harmonic light scattering induced by defects in the twist-bend
nematic phase of liquid crystal dimers: The nematic twist-bend ($\mathrm{N_{TB}}$) phase, exhibited by certain
thermotropic liquid crystalline (LC) dimers, represents a new orientationally
ordered mesophase -- the first distinct nematic variant dis... | cond-mat_soft |
Formation of molecules near a Feshbach resonance in a 1D optical lattice: We calculate the binding energy of two atoms interacting near a Feshbach
resonance in the presence of a 1D periodic potential. The critical value of the
scattering length needed to produce a molecule as well as the value of the
molecular binding ... | cond-mat_soft |
Spontaneous Patterning of Confined Granular Rods: Vertically vibrated rod-shaped granular materials confined to quasi-2D
containers self organize into distinct patterns. We find, consistent with
theory and simulation, a density dependent isotropic-nematic transition. Along
the walls, rods interact sterically to form a ... | cond-mat_soft |
Physical processes causing the formation of penitentes: Snow penitentes form in sublimation conditions by differential ablation. Here
we investigate the physical processes at the initial stage of penitente growth
and perform the linear stability analysis of a flat surface submitted to the
solar heat flux. We show that ... | cond-mat_soft |
Role of solvation in pressure-induced helix stabilization: In contrast to the well-known destabilization of globular proteins by high
pressure, re- cent work has shown that pressure stabilizes the formation of
isolated {\alpha}-helices. However all simulations to date have obtained a
qualitatively opposite result withi... | cond-mat_soft |
Monte Carlo Simulation of a Model of Water: We simulate TIP3P water using a constrained Monte Carlo algorithm to generate
electrostatic interactions eliminating the need to sum over long ranged Coulomb
interactions. We study discretization errors when interpolating charges using
splines and Gaussians. We compare our im... | cond-mat_soft |
Microparticle transport networks with holographic optical tweezers and
cavitation bubbles: Optical transport networks for active absorbing microparticles are made with
holographic optical tweezers. The particles are powered by the optical
potentials that make the network and transport themselves via random vapor
prop... | cond-mat_soft |
Dynamics of short polymer chains in solution: We present numerical and analytical results describing the effect of
hydrodynamic interactions on the dynamics of a short polymer chain in solution.
A molecular dynamics algorithm for the polymer is coupled to a direct
simulation Monte Carlo algorithm for the solvent. We gi... | cond-mat_soft |
Lees-Edwards boundary conditions for lattice Boltzmann: Lees Edwards boundary conditions (LEbc) for Molecular Dynamics simulations
are an extension of the well known periodic boundary conditions and allow the
simulation of bulk systems in a simple shear flow. We show how the idea of LEbc
can be implemented in lattice B... | cond-mat_soft |
Probing the degree of heterogeneity within a shear band of a model glass: Recent experiments provide evidence for density variations along shear bands
(SB) in metallic glasses with a length scale of a few hundreds nanometers. Via
molecular dynamics simulations of a generic binary glass model, here we show
that this is ... | cond-mat_soft |
Magnetoelastic instability in soft thin films: Ferromagnetic particles are incorporated in a thin soft elastic matrix. A
lamella, made of this smart material, is studied experimentally and modeled. We
show herein that thin films can be actuated using an external magnetic field
applied through the system. The system is ... | cond-mat_soft |
Relaxation times, rheology, and finite size effects: We carry out overdamped simulations in a simple model of jamming - a
collection of bi-disperse soft core frictionless disks in two dimensions - with
the aim to explore the finite size dependence of different quantities, both the
relaxation time obtained from the rela... | cond-mat_soft |
Sorting and separation of microparticles by surface properties using
liquid crystal-enabled electro-osmosis: Sorting and separation of microparticles is a challenging problem of
interdisciplinary nature. Existing technologies can differentiate
microparticles by their bulk properties, such as size, density, electric
p... | cond-mat_soft |
Observation of a uniaxial ferroelectric smectic A phase: We report the smectic $A_F$, a new liquid crystal phase of the ferroelectric
nematic realm. The smectic $A_F$ is a phase of small polar, rod-shaped
molecules which form two-dimensional fluid layers spaced by approximately the
mean molecular length. The phase is u... | cond-mat_soft |
Complex coacervation: A field theoretic simulation study of
polyelectrolyte complexation: Using the complex Langevin sampling strategy, field theoretic simulations are
performed to study the equilibrium phase behavior and structure of symmetric
polycation-polyanion mixtures without salt in good solvents. Static struc... | cond-mat_soft |
Softly Constrained Films: The shape of materials is often subject to a number of geometric constraints
that limit the size of the system or fix the structure of its boundary. In soft
and biological materials, however, these constraints are not always hard, but
are due to other physical mechanisms that affect the overal... | cond-mat_soft |
Casimir force between two substrates within three different layers using
the scattering approach: We compute the Casimir force for a system composed of two layers as
substrates within three different homogenous layers. We use the scattering
approach along with the Matsubara formalism in order to calculate the Casimir... | cond-mat_soft |
Steady-State Homogeneous Nucleation and Growth of Water Droplets:
Extended Numerical Treatment: The steady-state homogeneous vapor-to-liquid nucleation and the succeeding
liquid droplet growth process are studied for water system by means of the
coarse-grained molecular dynamics simulations with the mW-model suggeste... | cond-mat_soft |
Polymer packaging and ejection in viral capsids: shape matters: We use a mesoscale simulation approach to explore the impact of different
capsid geometries on the packaging and ejection dynamics of polymers of
different flexibility. We find that both packing and ejection times are faster
for flexible polymers. For such... | cond-mat_soft |
Adsorption of a random heteropolymer with self-interactions onto an
interface: We consider the adsorption of a random heteropolymer onto an interface within
the model by Garel et al. [1] by taking into account self-interactions between
the monomers. Within the replica trick and by using a self-consistent
preaveraging... | cond-mat_soft |
Cavity nucleation in single-component homogeneous amorphous solids under
negative pressure: Understanding the cavity formation and cavity growth mechanisms in solids has
fundamental and applied importance for the correct determination of their
exploitation capabilities and mechanical characteristics. In this work, we... | cond-mat_soft |
Propagating Density Spikes in Light-Powered Motility-Ratchets: Combining experiments and computer simulations, we use a spatially periodic
and flashing light-field to direct the motion of phototactic active colloids.
Here, the colloids self-organize into a density spike pattern, which resembles
a shock wave and propaga... | cond-mat_soft |
Magic angles and cross-hatching instability in hydrogel fracture: The full 2D analysis of roughness profiles of fracture surfaces resulting
from quasi-static crack propagation in gelatin gels reveals an original
behavior characterized by (i) strong anisotropy with maximum roughness at
$V$-independent symmetry-preservin... | cond-mat_soft |
Collective dynamics of soft active particles: We present a model of soft active particles that leads to a rich array of
collective behavior found also in dense biological swarms of bacteria and other
unicellular organisms. Our model uses only local interactions, such as
Vicsek-type nearest neighbor alignment, short-ran... | cond-mat_soft |
Craters Formed in Granular Beds by Impinging Jets of Gas: When a jet of gas impinges vertically on a granular bed and forms a crater,
the grains may be moved by several different mechanisms: viscous erosion,
diffused gas eruption, bearing capacity failure, and/or diffusion-driven
shearing. The relative importance of th... | cond-mat_soft |
Crack Formation in the Presence of an Electric Field in Droplets of
Laponite Gel: When a colloidal gel dries through evaporation, cracks are usually formed,
which often reveal underlying processes at work during desiccation. Desiccating
colloid droplets of few hundred $\mu l$ size show interesting effects of
pattern ... | cond-mat_soft |
Investigating the influence of particle size and shape on froth
flotation based benefication of lithium-rich minerals in slags: The demand for lithium, as well as other critical resources, needed for
electrochemical energy storage is expected to grow significantly in the future.
Slags obtained from pyrometallurgical ... | cond-mat_soft |
Casimir Torques between Anisotropic Boundaries in Nematic Liquid
Crystals: Fluctuation-induced interactions between anisotropic objects immersed in a
nematic liquid crystal are shown to depend on the relative orientation of these
objects. The resulting long-range ``Casimir'' torques are explicitely
calculated for a s... | cond-mat_soft |
Active interaction switching controls the dynamic heterogeneity of soft
colloidal dispersions: We employ Reactive Dynamical Density Functional Theory (R-DDFT) and Reactive
Brownian Dynamics (R-BD) simulations to investigate the dynamics of a
suspension of active soft Gaussian colloids with binary interaction switchin... | cond-mat_soft |
Network evolution controlling strain-induced damage and self-healing of
elastomers with dynamic bonds: Highly stretchable and self-healable supramolecular elastomers are promising
materials for future soft electronics, biomimetic systems, and smart textiles,
due to their dynamic cross-linking bonds. The dynamic or re... | cond-mat_soft |
Packing of softly repulsive particles in a spherical box - a generalised
Thomson problem: We study the (near or close to) ground state distribution of N softly
repelling particles trapped in the interior of a spherical box. The charges
mutually interact via an inverse power law potential of the form $1/r^\gamma$.
We ... | cond-mat_soft |
Computational Pipeline to probe NaV1.7 gain-of-functions variants in
neuropathic painful syndromes: Applications of machine learning and graph theory techniques to neuroscience
have witnessed an increased interest in the last decade due to the large data
availability and unprecedented technology developments. Their e... | cond-mat_soft |
Morphology Selection of Nanoparticle Dispersions by Polymer Media: Designable media can control properties of nanocomposite materials by
spatially organizing nanoparticles. Here we theoretically study particle
organization by ultrathin polymer films of grafted chains (``brushes'').
Polymer-soluble nanoparticles smaller... | cond-mat_soft |
Arrest of three-dimensional gravity-confined shear flow of wet granular
matter: We study the arrest of three-dimensional flow in wet granular matter subject
to a sinusoidal external force and a gravitational field confining the flow in
the vertical direction. The minimal strength of the external force that is
require... | cond-mat_soft |
Distinct signature of two local structural motifs of liquid water in the
scattering function: Liquids generally become more ordered upon cooling. However, it has been a
long-standing debate on whether such structural ordering in liquid water takes
place continuously or discontinuosly: continuum vs. mixture models. He... | cond-mat_soft |
Lateral depletion effect on two-dimensional ordering of
bacteriorhodopsins in a lipid bilayer: A theoretical study based on a binary
hard-disk model: The two-dimensional ordering of bacteriorhodopsins in a lipid bilayer was
studied using a binary hard-disk model. The phase diagrams were calculated,
taking into acco... | cond-mat_soft |
Role of interfacial elasticity for the rheological properties of
saponin-stabilized emulsions: Hypothesis Saponins are natural surfactants which can provide highly
viscoelastic interfaces. This property can be used to quantify precisely the
effect of interfacial dilatational elasticity on the various rheological
prop... | cond-mat_soft |
Capillary Forces on a Small Particle at a Liquid-Vapor Interface: Theory
and Simulation: We study the meniscus on the outside of a small spherical particle with
radius $R$ at a liquid-vapor interface. The liquid is confined in a cylindrical
container with a finite radius $L$ and has a contact angle $\pi/2$ at the
con... | cond-mat_soft |
Proposition of extension of models relating rheological quantities and
microscopic structure through the use of a double fractal structure: Colloidal suspensions and the relation between their rheology and their
microstructure is investigated. The literature showed great evidence of the
relation between rheological q... | cond-mat_soft |
Conformation of a Polyelectrolyte Complexed to a Like-Charged Colloid: We report results from a molecular dynamics (MD) simulation on the
conformations of a long flexible polyelectrolyte complexed to a charged sphere,
\textit{both negatively charged}, in the presence of neutralizing counterions
in the strong Coulomb co... | cond-mat_soft |
Phase Separation of Rigid-Rod Suspensions in Shear Flow: We analyze the behavior of a suspension of rigid rod-like particles in shear
flow using a modified version of the Doi model, and construct diagrams for
phase coexistence under conditions of constant imposed stress and constant
imposed strain rate, among paranemat... | cond-mat_soft |
Lift and drag forces on an inclined plow moving over a granular surface: We studied the drag and lift forces acting on an inclined plate while it is
dragged on the surface of a granular media, both in experiment and numerical
simulation. In particular, we investigated the influence of the horizontal
velocity of the pla... | cond-mat_soft |
Shapes of Semiflexible Polymers in Confined Spaces: We investigate the conformations of a semiflexible polymer confined to a
square box. Results of Monte Carlo simulations show the existence of a shape
transition when the persistence length of the polymer becomes comparable to the
dimensions of box. An order parameter ... | cond-mat_soft |
Fluctuation-dissipation relations and energy landscape in an
out-of-equilibrium strong glass-forming liquid: We study the out-of-equilibrium dynamics following a temperature-jump in a
model for a strong liquid, BKS-silica, and compare it with the well known case
of fragile liquids. We calculate the fluctuation-dissip... | cond-mat_soft |
A soft-lithographed chaotic electrokinetic micromixer for efficient
chemical reactions in lab-on-chips: Mixing is one of the basic functions which automated lab-on-chips require for
the effective management of liquid samples. In this paper we report on the
working principle, design, fabrication and experimental chara... | cond-mat_soft |
Anisotropic pair correlations in binary and multicomponent hard-sphere
mixtures in the vicinity of a hard wall: A combined density functional theory
and simulation study: The fundamental measure approach to classical density functional theory has
been shown to be a powerful tool to predict various thermodynamic pro... | cond-mat_soft |
Electrophoretic separation of large DNAs using steric confinement: We report an alternative method for electrophoretic separation of large DNAs
using steric confinement between solid walls, without gel or obstacles. The
change of electrophoretic mobility vs confinement thickness is investigated
using fluorescence video... | cond-mat_soft |
Theory of Ideal Four-Wave Mixing in Bose-Einstein Condensates: Starting from a second-quantized Hamiltonian of many-particle systems, we
derive the Gross-Pitaevskii (GP) equation in momentum space, which is suitable
for studying the multi-wave mixing processes of coherent matter waves. The
coupling equations are then a... | cond-mat_soft |
Euler-Poincaré approaches to nematodynamics: Nematodynamics is the orientation dynamics of flowless liquid-crystals. We
show how Euler-Poincar\'e reduction produces a unifying framework for various
theories, including Ericksen-Leslie, Luhiller-Rey, and Eringen's micropolar
theory. In particular, we show that these theo... | cond-mat_soft |
Wetting on Random Roughness: the Ubiquity of Wenzel Prewetting: The wetting properties of solid substrates with macroscopic random roughness
are considered as a function of the microscopic contact angle of the wetting
liquid and its partial pressure in the surrounding gas phase. It is shown that
Wenzel prewetting, whic... | cond-mat_soft |
New criteria for cluster identification in continuum systems: Two new criteria, that involve the microscopic dynamics of the system, are
proposed for the identification of clusters in continuum systems. The first one
considers a residence time in the definition of the bond between pairs of
particles, whereas the second... | cond-mat_soft |
Fermi level quantum numbers and secondary gap of conducting carbon
nanotubes: For the single-wall carbon nanotubes conducting in the simplest tight binding
model, the complete set of line group symmetry based quantum numbers for the
bands crossing at Fermi level are given. Besides linear (k), helical (k'} and
angular... | cond-mat_soft |
Aggregation and structural phase transitions of semiflexible polymer
bundles: a braided circuit topology approach: We present a braided circuit topology framework for investigating topology
and structural phase transitions in aggregates of semiflexible polymers. In the
conventional approach to circuit topology, which... | cond-mat_soft |
Monitoring spatially heterogeneous dynamics in a drying colloidal thin
film: We report on a new type of experiment that enables us to monitor spatially
and temporally heterogeneous dynamic properties in complex fluids. Our approach
is based on the analysis of near-field speckles produced by light diffusely
reflected ... | cond-mat_soft |
Rubber friction on (apparently) smooth lubricated surfaces: We study rubber sliding friction on hard lubricated surfaces. We show that
even if the hard surface appears smooth to the naked eye, it may exhibit short
wavelength roughness, which may give the dominant contribution to rubber
friction. That is, the observed s... | cond-mat_soft |
Mechanisms in the size segregation of a binary granular mixture: A granular mixture of particles of two sizes that is shaken vertically will
in most cases segregate. If the larger particles accumulate at the top of the
sample, this is called the Brazil-nut effect (BNE); if they accumulate at the
bottom, the reverse Bra... | cond-mat_soft |
Importance of Metastable States in the Free Energy Landscapes of
Polypeptide Chains: We show that the interplay between excluded volume effects, hydrophobicity,
and hydrogen bonding of a tube-like representation of a polypeptide chain gives
rise to free energy landscapes that exhibit a small number of metastable mini... | cond-mat_soft |
Are granular materials simple? An experimental study of strain gradient
effects and localization: Experiments test the dependence of shearing stress on the first two gradients
of shear strain. The tests were conducted by direct numerical simulation using
the Discrete Element Method (DEM) on a large two-dimensional (2... | cond-mat_soft |
Large-scale kinetic roughening behavior of coffee-ring fronts: We have studied the kinetic roughening behavior of the fronts of coffee-ring
aggregates via extensive numerical simulations of the off-lattice model
considered for this context in [C.\ S.\ Dias {\it et al.}, Soft Matter {\bf
14}, 1903 (2018)]. This model de... | cond-mat_soft |
Supramolecule Structure for Amphiphilic Molecule by Dissipative Particle
Dynamics Simulation: Meso-scale simulation of structure formation for AB-dimers in solution W
monomers was performed by dissipative particle dynamics (DPD) algorithm. As a
simulation model, modified Jury Model was adopted Jury, S. et al. "Simula... | cond-mat_soft |
The topological effect on the Mechanical properties of polymer knots: The mechanical properties of polymer knots under stretching in a bad or good
solvent are investigated by applying a given force $F$ to a point of the knot
while keeping another point fixed. The Monte Carlo sampling of the polymer
conformations on a s... | cond-mat_soft |
Tsallis Entropy and the transition to scaling in fragmentation: By using the maximum entropy principle with Tsallis entropy we obtain a
fragment size distribution function which undergoes a transition to scaling.
This distribution function reduces to those obtained by other authors using
Shannon entropy. The treatment ... | cond-mat_soft |
Energy Spectrum of Vortex Tangle: The energy spectrum of superfluid turbulence in the absence of the normal
fluid is studied numerically. In order to discuss the statistical properties,
we calculated the energy spectra of the 3D velocity field induced by dilute and
dense vortex tangles respectively, whose dynamics is c... | cond-mat_soft |
Properties of aqueous electrolyte solutions at carbon electrodes:
effects of concentration and surface charge on solution structure, ion
clustering and thermodynamics in the electric double layer: Surfaces are able to control physical-chemical processes in multi-component
solution systems and, as such, find applica... | cond-mat_soft |
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