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Electric-Field Induced Phase Transitions in Capillary Electrophoretic
Systems: The movement of the particles in a capillary electrophoretic system under
electroosmotic flow was modeled using Monte Carlo simulation with Metropolis
algorithm. Two different cases, with repulsive and attractive interactions
between molec... | cond-mat_soft |
Conformational Collapse of Surface-Bound Helical Filaments: Chiral polymers are ubiquitous in nature and in the cellular context they are
often found in association with membranes. Here we show that surface bound
polymers with an intrinsic twist and anisotropic bending stiffness can exhibit
a sharp continuous phase tra... | cond-mat_soft |
Tuned, driven, and active soft matter: One characteristic feature of soft matter systems is their strong response to
external stimuli. As a consequence they are comparatively easily driven out of
their ground state and out of equilibrium, which leads to many of their
fascinating properties. Here, we review illustrative... | cond-mat_soft |
Bogoliubov excitation spectrum in anharmonic traps: We study the linearized Bogoliubov excitation spectrum of infinitely long
anharmonically trapped Bose-Einstein condensates, with the aim of overcoming
inhomogeneous broadening. We compare the Bogoliubov spectrum of a harmonic trap
with that of a theoretical flat-botto... | cond-mat_soft |
Two step melting of the Weeks-Chandler-Anderson system in two dimensions: We present a detailed numerical simulation study of a two dimensional system
of particles interacting via the Weeks-Chandler-Anderson potential, the
repulsive part of the Lennard-Jones potential. With reduction of density, the
system shows a two-... | cond-mat_soft |
Pinning Dislocations in Colloidal Crystals with Active Particles that
Seek Stacking Faults: There is growing interest in functional, adaptive devices built from
colloidal subunits of micron size or smaller. A colloidal material with dynamic
mechanical properties could facilitate such microrobotic machines. Here we
st... | cond-mat_soft |
Microscopic theory for hyperuniformity in two-dimensional chiral active
fluid: Some nonequilibrium systems exhibit anomalous suppression of the large-scale
density fluctuations, so-called hyperuniformity. Recently, hyperuniformity was
found numerically in a simple model of chiral active fluids [Q.-L. Lei et al.,
Sci.... | cond-mat_soft |
How should the contact angle of a noncircular wetting boundary be
described?: For over 200 years, wettability has made significant contributions to
understanding the properties of objects, advancing technological progress.
Theoretical model of the contact angle (CA) for evaluating wettability has
constantly been modi... | cond-mat_soft |
Modeling of Branched Thickening Polymers under Poiseuille Flow Gives
Clues as to how to Increase a Solvent Viscosity: The viscosity enhancement of a solvent produced by the addition of thickening
branched polymers is predicted as a function of polymer concentration, branch
length and persistence length, and strength ... | cond-mat_soft |
Defect Structures in the Growth Kinetics of the Swift-Hohenberg Model: The growth of striped order resulting from a quench of the two-dimensional
Swift-Hohenberg model is studied in the regime of a small control parameter and
quenches to zero temperature. We introduce an algorithm for finding and
identifying the disord... | cond-mat_soft |
Directed Paths in a Wedge: Directed paths have been used extensively in the scientific literature as a
model of a linear polymer. Such paths models in particular the conformational
entropy of a linear polymer and the effects it has on the free energy. These
directed models are simplified versions of the self-avoiding w... | cond-mat_soft |
Propagation of a Thermo-mechanical Perturbation on a Lipid Membrane: The propagation of sound waves on lipid monolayers supported on water has
been studied during the melting transition. Since changes in volume, area, and
compressibility in lipid membranes have biological relevance, the observed
sound propagation is of... | cond-mat_soft |
High-speed confined granular flows down inclines revisited: Recent numerical work has shown that high-speed confined granular flows down
inclines exhibit a rich variety of flow patterns, including dense
unidirectional flows, flows with longitudinal vortices and supported flows
characterized by a dense core surrounded b... | cond-mat_soft |
Decoupled algorithm for the multicomponent potential theory of
adsorption of gas mixtures: In this paper, we present a new implementation of the Multicomponent
Potential Theory of Adsorption model. The proposed interpretation establishes a
clear cut between parameters that depends on the adsorbent from those dependin... | cond-mat_soft |
Soft elasticity in biaxial smectic and smectic-C elastomers: Ideal (monodomain) smectic-$A$ elastomers crosslinked in the smectic-$A$
phase are simply uniaxial rubbers, provided deformations are small. From these
materials smectic-$C$ elastomers are produced by a cooling through the
smectic-$A$ to smectic-$C$ phase tra... | cond-mat_soft |
A Fragile-Strong Fluid Crossover and Universal Relaxation Times in a
Confined Hard Disc Fluid: We show that a system of hard discs confined to a narrow channel exhibits a
fragile-strong fluid crossover located at the maximum of the isobaric heat
capacity and that the relaxation times for different channel widths fall... | cond-mat_soft |
Anomalous temperature dependence of surface tension and capillary waves
at liquid gallium: The temperature dependence of surface tension \gamma(T) at liquid gallium is
studied theoretically and experimentally using light scattering from capillary
waves. The theoretical model based on the Gibbs thermodynamics relates ... | cond-mat_soft |
Possible realization of Josephson charge qubits in two coupled
Bose-Einstein condensates: We demonstrate that two coupled Bose-Einstein condensates (BEC) at zero
temperature can be used to realize a qubit which is the counterpart of
Josephson charge qubits. The two BEC are weakly coupled and confined in an
asymmetric... | cond-mat_soft |
Quantifying nematic order in evaporation-driven self-assembly of
Halloysite nanotubes: Nematic islands and critical aspect ratio: Halloysite nanotubes (HNTs) are naturally occurring clay minerals found in
Earth's crust that typically exist in the form of high aspect-ratio
nanometers-long rods. Here, we investigate th... | cond-mat_soft |
Effects of three-body interactions on the structure and thermodynamics
of liquid krypton: Large-scale molecular dynamics simulations are performed to predict the
structural and thermodynamic properties of liquid krypton using a potential
energy function based on the two-body potential of Aziz and Slaman plus the
trip... | cond-mat_soft |
Guiding the self-assembly of colloidal diamond: The assembly of colloidal cubic diamond is a challenging process since the
shape and interaction parameters and the thermodynamic conditions where this
structure is stable are elusive. The simultaneous use of shape-anisotropic
particles and strong directional interactions... | cond-mat_soft |
Theory and simulation of macromolecular crowding effects on protein
folding stability and kinetics: We investigate the effect of macromolecular crowding on protein folding,
using purely repulsive crowding particles and a self-organizing polymer model
of protein folding. We find that the thermodynamics of folding for ... | cond-mat_soft |
On the mechanism of the highly viscous flow: The asymmetry model for the highly viscous flow postulates thermally
activated jumps from a practically undistorted ground state to strongly
distorted, but stable structures, with a pronounced Eshelby backstress from the
distorted surroundings. The viscosity is ascribed to t... | cond-mat_soft |
Strength and energy consumption of inherently anisotropic rocks at
failure: Using a discrete-element approach and a bonding interaction law, we model and
test crushable inherently anisotropic structures reminiscent of the layering
found in sedimentary and metamorphic rocks. By systematically modifying the
level of in... | 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 |
Phase Behaviour of Binary Hard-Sphere Mixtures: Free Volume Theory
Including Reservoir Hard-Core Interactions: Comprehensive calculations were performed to predict the phase behaviour of
large spherical colloids mixed with small spherical colloids that act as
depletant. To this end, the free volume theory (FVT) of Le... | cond-mat_soft |
Timescales of emulsion formation caused by anisotropic particles: Particle stabilized emulsions have received an enormous interest in the
recent past, but our understanding of the dynamics of emulsion formation is
still limited. For simple spherical particles, the time dependent growth of
fluid domains is dominated by ... | cond-mat_soft |
Three-body critical Casimir forces: Within mean-field theory we calculate universal scaling functions associated
with critical Casimir forces for a system consisting of three parallel
cylindrical colloids immersed in a near-critical binary liquid mixture. For
several geometrical arrangements and boundary conditions at ... | cond-mat_soft |
The Origin of Tilted Phase Generation in Systems of Ellipsoidal
Molecules with Dipolar Interactions: We report Monte-Carlo simulation studies of some systems consisting of polar
rod-like molecules interacting via a pair potential that exhibit liquid crystal
phases, attributed with tilt angles of large magnitude. For ... | cond-mat_soft |
Kinetically driven ordered phase formation in binary colloidal crystals: The aggregation of binary colloids of same size and balanced charges is
studied by Brownian dynamics simulations for dilute suspensions. It is shown
that, under appropriate conditions, the formation of colloidal crystals is
dominated by kinetic ef... | cond-mat_soft |
Avalanches, loading and finite size effects in 2D amorphous plasticity:
results from a finite element model: Crystalline plasticity is strongly interlinked with dislocation mechanics and
nowadays is relatively well understood. Concepts and physical models of plastic
deformation in amorphous materials on the other han... | cond-mat_soft |
Three length scales colloidal gels: the clusters of clusters versus the
interpenetrating clusters approach: Typically, in quiescent conditions, attractive colloids at low volume
fractions form fractal gels structured into two length scales: the colloidal
and the fractal cluster scales. However when flow interfere wit... | cond-mat_soft |
Albe 1998 - La grande Motte 2009 : quelles avancées en diffusion de
neutrons aux petits angles en 10 ans ?: The importance of neutron scattering techniques for the characterization of
samples in soft condensed matter has been demonstrated all along the present
book. The fine understanding of the physical properties i... | cond-mat_soft |
Effect of Energy Polydispersity on the Nature of Lennard-Jones Liquids: In the companion paper [T. S. Ingebrigtsen and H. Tanaka, J. Phys. Chem. B
119, 11052 (2015)] the effect of size polydispersity on the nature of
Lennard-Jones (LJ) liquids, which represent most molecular liquids without
hydrogen bonds, was studied.... | cond-mat_soft |
Unified Theory of Inertial Granular Flows and Non-Brownian Suspensions: 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 cha... | cond-mat_soft |
Numerical studies of aerofractures in porous media / Estudios numericos
de aerofractures en medios porosos: During the hydraulically induced compaction of a granular layer fracture
patterns arise. In numerical simulations we study how these patterns depend on
the gas properties as well as on the properties of the por... | cond-mat_soft |
Bose-Einstein condensates near a microfabricated surface: Magnetically and optically confined Bose-Einstein condensates were studied
near a microfabricated surface. Condensate fragmentation observed in
microfabricated magnetic traps was not observed in optical dipole traps at the
same location. The measured condensate ... | cond-mat_soft |
Entangled quantum tunneling of two-component Bose-Einstein condensates: We examine the quantum tunneling process in Bose condensates of two
interacting species trapped in a double well configuration. We discover the
condition under which particles of different species can tunnel as pairs
through the potential barrier b... | cond-mat_soft |
Simulation of fluid-solid coexistence in finite volumes: A method to
study the properties of wall-attached crystalline nuclei: The Asakura-Oosawa model for colloid-polymer mixtures is studied by Monte
Carlo simulations at densities inside the two-phase coexistence region of fluid
and solid. Choosing a geometry where ... | cond-mat_soft |
Density functional theory for Baxter's sticky hard spheres in
confinement: It has recently been shown that a free energy for Baxter's sticky hard sphere
fluid is uniquely defined within the framework of fundamental measure theory
(FMT) for the inhomogeneous hard sphere fluid, provided that it obeys
scaled-particle th... | cond-mat_soft |
Mixing by Unstirring: Hyperuniform Dispersion of Interacting Particles
upon Chaotic Advection: We show how to achieve both fast and hyperuniform dispersions of particles in
viscous fluids. To do so, we first extend the concept of critical random
organization to chaotic drives. We show how palindromic sequences of cha... | cond-mat_soft |
A basic swimmer at low Reynolds number: Swimming and pumping at low Reynolds numbers are subject to the "Scallop
theorem", which states that there will be no net fluid flow for time reversible
motions. Living organisms such as bacteria and cells are subject to this
constraint, and so are existing and future artificial ... | cond-mat_soft |
Dielectric microscopy with submillimeter resolution: In analogy with optical near-field scanning methods, we use tapered
dielectric waveguides as probes for a millimeter wave vector network analyzer.
By scanning thin samples between two such probes we are able to map the
spatially varying dielectric properties of mater... | cond-mat_soft |
The many origins of charge inversion in electrolyte solutions: effects
of discrete interfacial charges: We show that charge inversion, i.e. interfacial charges attracting
counterions in excess of their own nominal charge, is a general effect that
takes place in most charged systems next to aqueous solutions with mult... | cond-mat_soft |
Network physics of attractive colloidal gels: Resilience, Rigidity, and
Phase Diagram: Attractive colloidal gels exhibit solid-like behavior at vanishingly small
fractions of solids, owing to ramified space-spanning networks that form due to
particle-particle interactions. These networks give the gel its rigidity, an... | cond-mat_soft |
Connecting shear localization with the long-range correlated polarized
stress fields in granular materials: One long-lasting puzzle in amorphous solids is shear localization, where
local plastic deformation involves cooperative particle rearrangements in small
regions of a few inter-particle distances, self-organizin... | cond-mat_soft |
Local rheological measurements in the granular flow around an intruder: The rheological properties of granular matter within a two-dimensional flow
around a moving disk is investigated experimentally. Using a combination of
photoelastic and standard tessellation techniques, the strain and stress
tensors are estimated a... | cond-mat_soft |
Statistical Theory of Initiation of Explosives by Impact: When a given weight dropped onto an explosive charge, explosion or not is
probabilistic for certain impact energy and the frequency of explosion is
always increase with increasing impact energy. Based on experimental results
and recently theoretical work, we pro... | cond-mat_soft |
Extreme thermodynamics with polymer gel tori: harnessing thermodynamic
instabilities to induce large-scale deformations: When a swollen, thermoresponsive polymer gel is heated in a solvent bath, it
expels solvent and deswells. When this heating is slow, deswelling proceeds
homogeneously, as observed in a toroid-shape... | cond-mat_soft |
Field theoretical analysis of adsorption of polymer chains at surfaces:
Critical exponents and Scaling: The process of adsorption on a planar repulsive, "marginal" and attractive
wall of long-flexible polymer chains with excluded volume interactions is
investigated. The performed scaling analysis is based on formal a... | cond-mat_soft |
Mixing and segregation rates in sheared granular materials: The size-segregation of granular materials, a process colloquially known as
the Brazil Nut Effect, has generally been thought to proceed faster the greater
the size difference of the particles. We experimentally investigate sheared
bidisperse granular material... | cond-mat_soft |
Geometry-induced rectification for an active object: Study on a rectified current induced by active particles has received a great
attention due to its possible application to a microscopic motor in biological
environments. Insertion of an {\em asymmetric} passive object amid many active
particles has been regarded as ... | cond-mat_soft |
Myelin figures from microbial glycolipid biosurfactant amphiphiles: Myelin figures (MFs) -- cylindrical lyotropic liquid crystalline structures
consisting of concentric arrays of bilayers and aqueous media -- arise from the
hydration of the bulk lamellar phase of many common amphiphiles. Prior efforts
have concentrated... | cond-mat_soft |
Dissipative particle dynamics simulations of a single isolated polymer
chain in a dilute solution: In this study, we investigate the suitability of dissipative particle
dynamics (DPD) simulations to predict the dynamics of polymer chains in dilute
polymer solutions, where the chain is represented by a set of beads 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 |
Formation of Non-uniform Double Helices for Elastic Rods under Torsion: The spontaneous formation of double helices for filaments under torsion is
common and significant. For example, the research on the supercoiling of DNA is
helpful for understanding the replication and transcription of DNA. Similar
double helices ca... | cond-mat_soft |
Depletion induced isotropic-isotropic phase separation in suspensions of
rod-like colloids: When non-adsorbing polymers are added to an isotropic suspension of rod-like
colloids, the colloids effectively attract each other via depletion forces. We
performed Monte Carlo simulations to study the phase diagram of such
r... | cond-mat_soft |
Stoichiometry of Electrostatic Complexes Determined by Light Scattering: We report on the electrostatic complexation between oppositely charged
polymers and inorganic nanoparticles investigated by static and dynamical light
scattering. The nanoparticles put under scrutiny were citrate-coated
nanocrystals of cerium oxid... | cond-mat_soft |
A nonlinear dynamical system approach for the yielding behaviour of a
viscoplastic fluid: A nonlinear dynamical system model that approximates a microscopic Gibbs
field model for the yielding of a viscoplastic material subjected to varying
external stress recently reported in [1] is presented. The predictions of the
... | cond-mat_soft |
On the Determination of the Transition to Pure Reptation by Dielectric
Spectroscopy: Polymer melts show a characteristic molecular weight dependent relaxation
time that can be related to the unentangled and entangled regime. At high
molecular weights, influence of contour length fluctuations and con-straint
release c... | cond-mat_soft |
Fluid Mechanical and Electrical Fluctuation Forces in Colloids: Fluctuations in fluid velocity and fluctuations in electric fields may both
give rise to forces acting on small particles in colloidal suspensions. Such
forces in part determine the thermodynamic stability of the colloid. At the
classical statistical therm... | cond-mat_soft |
Confined self-propulsion of an isotropic active colloid: To spontaneously break their intrinsic symmetry and self-propel at the micron
scale, isotropic active colloidal particles and droplets exploit the non-linear
convective transport of chemical solutes emitted/consumed at their surface by
the surface-driven fluid fl... | cond-mat_soft |
Computational Modeling of an MRI Guided Drug Delivery System Based on
Magnetic Nanoparticle Aggregations for the Navigation of Paramagnetic
Nanocapsules: A computational method for magnetically guided drug delivery is presented and
the results are compared for the aggregation process of magnetic particles
within a ... | cond-mat_soft |
Experimental observations of non-equilibrium distributions and
transitions in a 2D granular gas: A large number (~10,000) of uniform stainless steel balls comprising less
than one layer coverage on a vertically shaken plate provides a rich system for
the study of excited granular media. Viewed from above, the horizon... | cond-mat_soft |
Bulk viscosity of the Lennard-Jones system at the triple point by
dynamical Non Equilibrium Molecular Dynamics: Non-equilibrium Molecular Dynamics (NEMD) calculations of the bulk viscosity
of the triple point Lennard-Jones fluid are performed with the aim of
investigating the origin of the observed disagreement betwe... | cond-mat_soft |
Variational approximation method for the long-range force transmission
in biopolymer gels: The variational principle of minimum free energy (MFEVP) has been widely used
in the study of soft matter statics. MFEVP can be used not only to derive
equilibrium equations (including both bulk equations and boundary condition... | cond-mat_soft |
Direct measurement of the critical pore size in a model membrane: We study pore nucleation in a model membrane system, a freestanding polymer
film. Nucleated pores smaller than a critical size close, while pores larger
than the critical size grow. Holes of varying size were purposefully prepared
in liquid polymer films... | cond-mat_soft |
Mixed equilibrium/nonequilibrium effects govern surface mobility in
polymer glasses: The temperature at which supercooled liquids turn into solid-like glasses
($T_g$) can change at the free surface, affecting the properties of
nanostructured glasses and their applications. However, inadequate experimental
resolution ... | cond-mat_soft |
Self-Propelling Rotator Driven by Soluto-Capillary Marangoni Flows: The self-propelled, longstanding rotation of the polymer tubing containing
camphor continuing for dozens of hours is reported. The rotator is driven by
the solutocapillary Marangoni flows owing to the dissolution of camphor. The
phenomenological model ... | cond-mat_soft |
Mechanical surface tension governs membrane thermal fluctuations: Motivated by the still ongoing debate about the various possible meanings of
the term surface tension of bilayer membranes, we present here a detailed
discussion that explains the differences between the "intrinsic",
"renormalized", and "mechanical" tens... | cond-mat_soft |
Phase behavior of wormlike rods: By employing Molecular Dynamics computer simulations, the phase behavior of
systems of rodlike particles with varying degree of internal flexibility has
been traced from the perfectly rigid rod limit till very flexible particles,
and from the high density region till the isotropic phase... | cond-mat_soft |
Liquid crystal phases with unusual structures and physical properties
formed by acute-angle bent-core molecules: Liquid crystals formed by acute-angle bent-core (ABC) molecules with a 1,7
naphthalene central core show an intriguing phase behavior with the nematic
phase accompanied by poorly understood additional phas... | cond-mat_soft |
Dynamics of Force Dipoles in Curved Biological Membranes: We construct a model to explore the hydrodynamic interactions of active
inclusions in curved biological membranes. The curved membrane is modelled as a
two dimensional layer of highly viscous fluid, surrounded by external solvents
of different viscosities. The a... | cond-mat_soft |
A mechanistic model for the growth of cylindrical debris particles in
the presence of adhesion: The wear volume is known to keep increasing during frictional processes, and
Archard notably proposed a model to describe the probability of wear particle
formation upon asperity collision in a two-body contact configurati... | cond-mat_soft |
Packing frustration in dense confined fluids: Packing frustration for confined fluids, i.e., the incompatibility between
the preferred packing of the fluid particles and the packing constraints
imposed by the confining surfaces, is studied for a dense hard-sphere fluid
confined between planar hard surfaces at short sep... | cond-mat_soft |
Theory of Chiral Modulations and Fluctuations in Smectic-A Liquid
Crystals Under an Electric Field: Chiral liquid crystals often exhibit periodic modulations in the molecular
director; in particular, thin films of the smectic-C* phase show a chiral
striped texture. Here, we investigate whether similar chiral modulati... | cond-mat_soft |
Many-Body Force and Mobility Measurements in Colloidal Systems: We demonstrate a technique for simultaneously measuring each component of the
force vectors and mobility tensor of a small collection of colloidal particles
based on observing a set of particle trajectories. For a few-body system of
micron-sized polymer be... | cond-mat_soft |
Incremental response of granular materials: DEM results: We systematically investigate the incremental response of various equilibrium
states of dense 2D model granular materials, along the biaxial compression path
(\sigma 11 < \sigma 22, \sigma 12 = 0). Stress increments are applied in
arbitrary directions in 3- dimen... | cond-mat_soft |
Stress Relaxation in Entangled Polymer Melts: We present an extensive set of simulation results for the stress relaxation
in equilibrium and step-strained bead-spring polymer melts. The data allow us
to explore the chain dynamics and the shear relaxation modulus, $G(t)$, into
the plateau regime for chains with $Z=40$ e... | cond-mat_soft |
Liquid crystal-enabled electrophoresis of spheres in a nematic medium
with negative dielectric anisotropy: We describe electrophoresis of spherical dielectric particles in a uniformly
aligned nematic medium with a negative dielectric anisotropy. A spherical
particle that orients the liquid crystal (LC) perpendicularl... | cond-mat_soft |
Assessing long-range contributions to the charge asymmetry of ion
adsorption at the air-water interface: Anions generally associate more favorably with the air-water interface than
cations. In addition to solute size and polarizability, the intrinsic structure
of the unperturbed interface has been discussed as an imp... | cond-mat_soft |
Anisotropic Hydrodynamic Mean-Field Theory for Semiflexible Polymers
under Tension: We introduce an anisotropic mean-field approach for the dynamics of
semiflexible polymers under intermediate tension, the force range where a chain
is partially extended but not in the asymptotic regime of a nearly straight
contour. T... | cond-mat_soft |
A Model for Double-Stranded Excitations of DNA: We calculate the spectrum of torsional vibrations of a double-stranded
structure that models the double helix of the DNA. We come to the conclusion
that within the framework of the model elementary excitations may display an
asymmetry as regards their winding and directio... | cond-mat_soft |
Critical Casimir interactions between Janus particles: Recently there is strong experimental and theoretical interest in studying
the self-assembly and the phase behavior of patchy and of Janus particles,
which form colloidal suspensions. Although in this quest a variety of effective
interactions have been proposed and... | cond-mat_soft |
DNA uptake into nuclei: Numerical and analytical results: The dynamics of polymer translocation through a pore has been the subject of
recent theoretical and experimental works. We have considered theoretical
estimates and performed computer simulations to understand the mechanism of DNA
uptake into the cell nucleus, a... | cond-mat_soft |
Dewetting of Thin Viscoelastic Polymer Films on Slippery Substrates: Dewetting of thin polystyrene films deposited onto silicone wafers at
temperatures close to the glass transition exhibits unusual dynamics and front
morphologies. Here, we present a new theoretical approach of these phenomena
taking into account both ... | cond-mat_soft |
Quantifying thermally induced flowability of rennet cheese curds: Conversion of liquid milk to cheese curds is the first stage in cheese
manufacture. Changing the rigidity of cheese curds through heating and pH
control is an established method for preparing fresh curds, whereas a similar
method to prepare fully coagula... | cond-mat_soft |
Suppression and enhancement of impurity scattering in a Bose-Einstein
condensate: Impurity atoms propagating at variable velocities through a trapped
Bose-Einstein condensate were produced using a stimulated Raman transition. The
redistribution of momentum by collisions between the impurity atoms and the
stationary c... | cond-mat_soft |
Colloidal suspensions of C-particles: Entanglement, percolation and
microrheology: We explore structural and dynamical behavior of concentrated colloidal
suspensions made up by C-shape particles using Brownian dynamics computer
simulations and theory. In particular, we focus on the entanglement process
between nearby... | cond-mat_soft |
Influence of salt on membrane rigidity of neu-tral DOPC vesicles: Salt is a very common molecule in aqueous environments but the question of
whether the interactions of monovalent ions Na^+ and Cl^- ,with the neutral
heads of phospholipids are impactful enough to change the membrane rigidity is
still a mystery. To prov... | cond-mat_soft |
Soft Matrix: Extracting Inherent Length Scales in Sheared Amorphous
Solids: Amorphous solids yield upon crossing a strain threshold, after an initial
elastic response, when subjected to mechanical deformation. The yielding
process is characterized by local plastic events leading to non-affine
displacements, and their... | cond-mat_soft |
Compression stiffening in biological tissues: on the possibility of
classic elasticity origins: Compression stiffening, or an increase in shear modulus with increasing
compressive strain, has been observed in recent rheometry experiments on brain,
liver, and fat tissues. Here, we extend the known types of biomaterial... | cond-mat_soft |
Measuring storage and loss moduli using optical tweezers: broadband
microrheology: We present an experimental procedure to perform broadband microrheological
measurements with optical tweezers. A generalised Langevin equation is adopted
to relate the time-dependent trajectory of a particle in an imposed flow to the
f... | cond-mat_soft |
Simultaneous concentration and velocity maps in particle suspensions
under shear from rheo-ultrasonic imaging: We extend a previously developed ultrafast ultrasonic technique [Gallot et
al., Rev. Sci. Instrum. 84, 045107 (2013)] to concentration field measurements
in non-Brownian particle suspensions under shear. The... | cond-mat_soft |
Lattice Boltzmann study of chemically-driven self-propelled droplets: We numerically study the behavior of self-propelled liquid droplets whose
motion is triggered by a Marangoni-like flow. This latter is generated by
variations of surfactant concentration which affect the droplet surface tension
promoting its motion. ... | 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 |
Yield stress and elastic modulus of suspensions of noncolloidal
particles in yield stress fluids: We study experimentally the behavior of isotropic suspensions of noncolloidal
particles in yield stress fluids. This problem has been poorly studied in the
literature, and only on specific materials. In this paper, we ma... | cond-mat_soft |
Impulsive correction to the elastic moduli obtained using the
stress-fluctuation formalism in systems with truncated pair potential: The truncation of a pair potential at a distance r_cut is well-known to imply
in general an impulsive correction to the pressure and other moments of the
first derivatives of the potent... | cond-mat_soft |
Orientational ordering of point dipoles on a sphere: Arrangement of interacting particles on a sphere is historically a well known
problem, however, ordering of particles with anisotropic interaction, such as
the dipole-dipole interaction, has remained unexplored. We solve the
orientational ordering of point dipoles on... | cond-mat_soft |
First-order phase transition of the tethered membrane model on spherical
surfaces: We found that three types of tethered surface model undergo a first-order
phase transition between the smooth and the crumpled phase. The first and the
third are discrete models of Helfrich, Polyakov, and Kleinert, and the second
is th... | cond-mat_soft |
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