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Influence of Confinement on Dynamical Heterogeneities in Dense Colloidal
Samples: We study a dense colloidal suspension confined between two quasiparallel
glass plates as a model system for a supercooled liquid in confined geometries.
We directly observe the three-dimensional Brownian motion of the colloidal
particle... | cond-mat_soft |
Criterion for extensional necking instability in polymeric fluids: We study the linear instability with respect to necking of a filament of
polymeric fluid undergoing uniaxial extension. Contrary to the widely discussed
Considere criterion, we find the onset of instability to relate closely to the
onset of downward cur... | cond-mat_soft |
Heat Transfer between Graphene and Amorphous SiO2: We study the heat transfer between graphene and amorphous SiO2. We include
both the heat transfer from the area of real contact, and between the surfaces
in the non-contact region. We consider the radiative heat transfer associated
with the evanescent electromagnetic w... | cond-mat_soft |
Molecular Dynamics Simulation of Apolipoprotein E3 Lipid Nanodiscs: Nanodiscs are binary discoidal complexes of a phospholipid bilayer
circumscribed by belt-like helical scaffold proteins. Using coarse-grained and
all-atom molecular dynamics simulations, we explore the stability, size, and
structure of nanodiscs formed... | cond-mat_soft |
Phase Separation and Ripening in a Viscoelastic Gel: The process of phase separation in elastic solids and viscous fluids is of
fundamental importance to the stability and function of soft materials. We
explore the dynamics of phase separation and domain growth in a viscoelastic
material such as a polymer gel. Using an... | cond-mat_soft |
Steady state cyclic behaviour of a half-plane contact in partial slip
subject to varying normal load, moment, shear load, and moderate differential
bulk tension: A new solution for a general half-plane contact in the steady state is
presented. The contacting bodies are subject to a set of constant loads -
normal fo... | cond-mat_soft |
Strong coupling electrostatics for randomly charged surfaces:
Antifragility and effective interactions: We study the effective interaction mediated by strongly coupled Coulomb
fluids between dielectric surfaces carrying quenched, random monopolar charges
with equal mean and variance, both when the Coulomb fluid consi... | cond-mat_soft |
Free-energy functional for freezing transitions: Hard sphere systems
freezing into crystalline and amorphous structures: A free-energy functional that contains both the symmetry conserved and
symmetry broken parts of the direct pair correlation function has been used to
investigate the freezing of a system of hard sp... | cond-mat_soft |
Mobility in immersed granular materials upon cyclic loading: We study the mobility of objects embedded in an immersed granular packing and
subjected to cyclic loadings. In this aim, we conducted experiments using glass
beads immersed in water and a horizontal plate subjected to a cyclic uplift
force. Tests performed at... | cond-mat_soft |
Propagating compaction bands in confined compression of snow: Experiment
and Modelling: We show that the plastic deformation of snow under uniaxial compression is
characterized by complex spatio-temporal strain localization phenomena.
Deformation is characterized by repeated nucleation and propagation of
compaction b... | cond-mat_soft |
Low-Temperature and High-Pressure Induced Swelling of a Hydrophobic
Polymer-Chain in Aqueous Solution: We report molecular dynamics simulations of a hydrophobic polymer-chain in
aqueous solution between $260 {K}$ and $420 {K}$ at pressures of $1 {bar}$,
$3000 {bar}$, and $4500 {bar}$. The simulations reveal a hydroph... | cond-mat_soft |
Soft particles at liquid interfaces: From molecular particle
architecture to collective phase behavior: Soft particles such as microgels and core-shell particles can undergo
significant and anisotropic deformations when adsorbed to a liquid interface.
This, in turn, leads to a complex phase behavior upon compression.... | cond-mat_soft |
Arches and contact forces in a granular pile: Assemblies of granular particles mechanically stable under their own weight
contain arches. These are structural units identified as sets of mutually
stable grains. It is generally assumed that these arches shield the weight
above them and should bear most of the stress in ... | cond-mat_soft |
Anomalous Diffusion in a Monolayer of Lightweight Spheres Fluidized in
Airflow: This paper presents statistical analyses of random motions in a single layer
of fluidized lightweight spherical particles. Foam polystyrene spheres were
driven by an upward airflow through the sieve mesh, and their two-dimensional
motion ... | cond-mat_soft |
Novel Experimentally Observed Phenomena in Soft Matter: Soft materials such as colloidal suspensions, polymer solutions and liquid
crystals are constituted by mesoscopic entities held together by weak forces.
Their mechanical moduli are several orders of magnitude lower than those of
atomic solids. The application of s... | cond-mat_soft |
Pickering emulsions stabilized by oppositely charged colloids: stability
and pattern formation: Binary mixture of oppositely charged of colloids can be used to stabilize
water-in-oil or oil-in-water emulsions. A Monte Carlo simulation study to
address the effect of charge ratio of colloids on the stability of Pickeri... | cond-mat_soft |
Coarse-grain Molecular Dynamics Study of Fullerene Transport across a
Cell Membrane: The study of the ability of drug molecules to enter cells through the
membrane is of vital importance in the field of drug delivery. In cases where
the transport of the drug molecules through the membrane is not easily
accomplishable... | cond-mat_soft |
Particle Size Effects in Flow-Stabilized Solids: Flow-stabilized solids are a class of fragile matter that forms when a dense
suspension of colloids accumulates against a semi-permeable barrier, for flow
rates above a critical value. In order to probe the effect of particle size on
the formation of these solids, we per... | cond-mat_soft |
Pressure and Flow of Exponentially Self-Correlated Active Particles: Microscopic swimming particles, which dissipate energy to execute persistent
directed motion, are a classic example of a non-equilibrium system. We
investigate the non-interacting Ornstein--Uhlenbeck Particle (OUP), which is
propelled through a viscou... | cond-mat_soft |
Cyclic annealing as an iterated random map: Disordered magnets, martensitic mixed crystals, and glassy solids can be
irreversibly deformed by subjecting them to external deformation. The
deformation produces a smooth, reversible response punctuated by abrupt
relaxation "glitches". Under appropriate repeated forward and... | cond-mat_soft |
Coarse Grained Computations for a Micellar System: We establish, through coarse-grained computation, a connection between
traditional, continuum numerical algorithms (initial value problems as well as
fixed point algorithms) and atomistic simulations of the Larson model of
micelle formation. The procedure hinges on the... | cond-mat_soft |
Tricritical behavior of soft nematic elastomers: We propose a lattice statistical model to investigate the phase diagrams and
the soft responses of nematic liquid-crystal elastomers. Using suitably scaled
infinite-range interactions, we obtain exact self-consistent equations for the
tensor components of the nematic ord... | cond-mat_soft |
Coarse-grain Molecular Dynamics Study of Fullerene Transport across a
Cell Membrane: The study of the ability of drug molecules to enter cells through the
membrane is of vital importance in the field of drug delivery. In cases where
the transport of the drug molecules through the membrane is not easily
accomplishable... | cond-mat_soft |
Dumb-bell swimmers: We investigate the way in which oscillating dumb-bells, a simple microscopic
model of apolar swimmers, move at low Reynold's number. In accordance with
Purcell's Scallop Theorem a single dumb-bell cannot swim because its stroke is
reciprocal in time. However the motion of two or more dumb-bells, wit... | cond-mat_soft |
Dynamics of quasi-static collapse process of a binary granular column: The dynamical behavior of the column that made up binary granular beads is
investigated systematically by tracking the displacement of particles in the
collapse process. An experimental setup is first devised to control the
quasi-static collapse of ... | cond-mat_soft |
Tensile Fracture of Welded Polymer Interfaces: Miscibility,
Entanglements and Crazing: Large-scale molecular simulations are performed to investigate tensile
failure of polymer interfaces as a function of welding time $t$. Changes in the
tensile stress, mode of failure and interfacial fracture energy $G_I$ are
correl... | cond-mat_soft |
Tension dynamics in semiflexible polymers. Part II: Scaling solutions
and applications: In Part I of this contribution, a systematic coarse-grained description of
the dynamics of a weakly-bending semiflexible polymer was developed. Here, we
discuss analytical solutions of the established deterministic partial
integro... | cond-mat_soft |
Nonadditive Interactions Unlock Small-Particle Mobility in Binary
Colloidal Monolayers: We examine the organization and dynamics of binary colloidal monolayers
composed of micron-scale silica particles interspersed with smaller-diameter
silica particles that serve as minority component impurities. These binary
monola... | cond-mat_soft |
Vibrations of Jammed Disk Packings with Hertzian Interactions: Contact breaking and Hertzian interactions between grains can both give rise
to nonlinear vibrational response of static granular packings. We perform
molecular dynamics simulations at constant energy in 2D of frictionless
bidisperse disks that interact via... | cond-mat_soft |
Confinement Effects on Phase Behavior of Soft Matter Systems: When systems that can undergo phase separation between two coexisting phases
in the bulk are confined in thin film geometry between parallel walls, the
phase behavior can be profoundly modified. These phenomena shall be described
and exemplified by computer ... | cond-mat_soft |
A simple analytical formula for the free-energy of ligand-receptor
mediated interactions: Recently \1, we presented a general theory for calculat- ing the strength and
properties of colloidal interactions mediated by ligand-receptor bonds (such as
those that bind DNA-coated colloids). In this communication, we derive... | cond-mat_soft |
Vibrational lifetimes and viscoelastic properties of ultrastable glasses: Amorphous solids are viscoelastic. They dissipate energy when deformed at
finite rate and finite temperature. We here use analytic theory and molecular
simulations to demonstrate that linear viscoelastic dissipation can be directly
related to the... | cond-mat_soft |
Programming complex shapes in thin nematic elastomer and glass sheets: Nematic elastomers and glasses are solids that display spontaneous distortion
under external stimuli. Recent advances in the synthesis of sheets with
controlled heterogeneities have enabled their actuation into non-trivial shapes
with unprecedented ... | cond-mat_soft |
Effect of particle exchange on the glass transition of binary hard
spheres: We investigate the replica theory of the liquid-glass transition for a binary
mixture of large and small additive hard spheres. We consider two different
ans\"atze for this problem: the frozen glass ansatz (FGA) in whichs the
exchange of larg... | cond-mat_soft |
Quasicrystal vs Glass Transition: comparison structural and dynamical
properties: Quasicrystals are solid structures with symmetry forbidden by
crystallographic rules. Because of this some structural characteristics of
quasicrystals, for instance, radial distribution function, can look similar to
the ones of amorphou... | cond-mat_soft |
Perspective: Atomistic Simulations of Water and Aqueous Systems with
Machine Learning Potentials: As the most important solvent, water has been at the center of interest since
the advent of computer simulations. While early molecular dynamics and Monte
Carlo simulations had to make use of simple model potentials to d... | cond-mat_soft |
Segregation forces in dense granular flows: Closing the gap from single
intruders to mixtures: Using simulations and a virtual-spring-based approach, we measure the
segregation force, Fseg, over a range of size-bidisperse mixture
concentrations, particle size ratios, and shear rates to develop a model for
Fseg that e... | cond-mat_soft |
A Percolation Model of Diagenesis: The restructuring process of diagenesis in the sedimentary rocks is studied
using a percolation type model. The cementation and dissolution processes are
modeled by the culling of occupied sites in rarefied and growth of vacant sites
in dense environments. Starting from sub-critical s... | cond-mat_soft |
Large-scale critical behavior of the rippling phase transition for
graphene membranes: We analyze the spontaneous rippling of graphene membranes as function of the
coupling between lattice deformations and electrons.
We numerically study a model of an elastic membrane coupled to Dirac
fermions. We identify a phase ... | cond-mat_soft |
Assembly and speed control in ion exchange based modular phoretic
micro-swimmers: We report an experimental study on ion-exchange based modular micro-swimmers
in low-salt water. Cationic ion-exchange particles and passive cargo particles
assemble into self-propelling complexes, showing self-propulsion at speeds of
se... | cond-mat_soft |
Liquid dynamics in partially crystalline glycerol: We present a dielectric study on the dynamics of supercooled glycerol during
crystallization. We explore the transformation into a solid phase in real time
by monitoring the temporal evolution of the amplitude of the dielectric signal.
Neither the initial nucleation or... | cond-mat_soft |
Cluster and reentrant anomalies of nearly Gaussian core particles: We study through integral equation theory and numerical simulations the
structure and dynamics of fluids composed of ultrasoft, nearly Gaussian
particles. Namely, we explore the fluid phase diagram of a model in which
particles interact via the generali... | cond-mat_soft |
Kinetics of Loop Formation in Polymer Chains: We investigate the kinetics of loop formation in flexible ideal polymer
chains (Rouse model), and polymers in good and poor solvents. We show for the
Rouse model, using a modification of the theory of Szabo, Schulten, and
Schulten, that the time scale for cyclization is $\t... | cond-mat_soft |
Spontaneous knotting and unknotting of flexible linear polymers:
equilibrium and kinetic aspects: We report on a computational study of the statics and dynamics of long
flexible linear polymers that spontaneously knot and unknot. Specifically, the
equilibrium self-entanglement properties, such as the knotting probabi... | cond-mat_soft |
Electrostatic Interactions in Strongly-Coupled Soft Matter: Charged soft-matter systems--such as colloidal dispersions and charged
polymers--are dominated by attractive forces between constituent like-charged
particles when neutralizing counterions of high charge valency are introduced.
Such counter-intuitive effects i... | cond-mat_soft |
Relation between the alpha-relaxation and the Johari-Goldstein
Beta-relaxation of a component in miscible blends of two glass-formers: It is well known that the \alpha-relaxation of each component in a miscible
mixtures of two glass-formers has its own dynamics, which change with the
composition of the blend. Lesser ... | cond-mat_soft |
Anomalous Thermomechanical Properties of a Self-propelled Colloidal
Fluid: We use numerical simulations to compute the equation of state of a suspension
of spherical, self-propelled nanoparticles. We study in detail the effect of
excluded volume interactions and confinement as a function of the system
temperature, co... | cond-mat_soft |
Generating multi-chain configurations of an inhomogeneous melt from the
knowledge of single-chain properties: Mean-field techniques provide a rather accurate description of single-chain
conformations in spatially inhomogeneous polymer systems containing interfaces
or surfaces. Intermolecular correlations, however, ar... | cond-mat_soft |
Coarse-grained modeling of polymers with end-on and side-on liquid
crystal moieties: effect of architecture: Mesogens, which are typically stiff rodlike or disklike molecules, are able
to self-organize into liquid crystal (LC) phases in a certain temperature
range. Such mesogens, or LC groups, can be attached to poly... | cond-mat_soft |
On the thickness of the double layer in ionic liquids: In this study, we examined the thickness of the electrical double layer (EDL)
in ionic liquids using density functional theory (DFT) calculations and
molecular dynamics (MD) simulations. We focused on the BF4- anion adsorption
from 1-ethyl-3-methylimidazolium tetra... | cond-mat_soft |
In Situ Ion Induced Gelation of Colloidal Dispersion of Laponite:
Relating Microscopic Interactions to Macroscopic Behavior: Aqueous dispersion of Laponite, when exposed to carbon dioxide environment
leads to in situ inducement of magnesium and lithium ions, which is, however
absent when dispersion is exposed to air.... | cond-mat_soft |
Ordering kinetics in active polar fluid: We model the active polar fluid as a collection of orientable objects
supplied with active stresses and momentum damping coming from the viscosity of
bulk fluid medium. The growth kinetics of local orientation field is studied.
The effect of active fluid is contractile or extens... | cond-mat_soft |
A model for the atomic-scale structure of a dense, nonequilibrium fluid:
the homogeneous cooling state of granular fluids: It is shown that the equilibrium Generalized Mean Spherical Model of fluid
structure may be extended to nonequilibrium states with equation of state
information used in equilibrium replaced by an... | cond-mat_soft |
Viscoelasticity of reversibly crosslinked networks of semiflexible
polymers: We present a theoretical framework for the linear and nonlinear visco-elastic
properties of reversibly crosslinked networks of semiflexible polymers. In
contrast to affine models where network strain couples to the polymer
end-to-end distanc... | cond-mat_soft |
An alternative scenario for the formation of specialized protein
nano-domains (cluster phases) in biomembranes: We discuss a realistic scenario, accounting for the existence of
sub-micrometric protein domains in cell membranes. At the biological level,
such membrane domains have been shown to be specialized, in order... | cond-mat_soft |
Entropy and Barrier-Hopping Determine Conformational Viscoelasticity in
Single Biomolecules: Biological macromolecules have complex and non-trivial energy landscapes,
endowing them a unique conformational adaptability and diversity in function.
Hence, understanding the processes of elasticity and dissipation at the
n... | cond-mat_soft |
Unzipping of a double-stranded block copolymer DNA by a periodic force: Using Monte Carlo simulations, we study the hysteresis in unzipping of a
double stranded block copolymer DNA with $-A_n B_n-$ repeat units. Here $A$ and
$B$ represent two different types of base pairs having two- and three-bonds,
respectively, and ... | cond-mat_soft |
Effect of total and pair configurational entropy in determining dynamics
of supercooled liquids over a range of densities: In this paper, we present a study of supercooled liquids interacting with the
Lennard Jones (LJ) potential and the corresponding purely repulsive
(Weeks-Chandler-Andersen or WCA) potential, over ... | cond-mat_soft |
Two-State Folding, Folding through Intermediates, and Metastability in a
Minimalistic Hydrophobic-Polar Model for Proteins: Within the frame of an effective, coarse-grained hydrophobic-polar protein
model, we employ multicanonical Monte Carlo simulations to investigate
free-energy landscapes and folding channels of e... | cond-mat_soft |
Growing timescales and lengthscales characterizing vibrations of
amorphous solids: Low-temperature properties of crystalline solids can be understood using
harmonic perturbations around a perfect lattice, as in Debye's theory.
Low-temperature properties of amorphous solids, however, strongly depart from
such descript... | cond-mat_soft |
Active colloidal propulsion over a crystalline surface: We study both experimentally and theoretically the dynamics of chemically
self-propelled Janus colloids moving atop a two-dimensional crystalline
surface. The surface is a hexagonally close-packed monolayer of colloidal
particles of the same size as the mobile one... | cond-mat_soft |
Simulation of a two-dimensional model for colloids in a uniaxial
electric field: We perform Monte Carlo simulations of a simplified two-dimensional model for
colloidal hard spheres in an external uniaxial AC electric field.
Experimentally, the external field induces dipole moments in the colloidal
particles, which in... | cond-mat_soft |
Geometric Mechanics of Curved Crease Origami: Folding a sheet of paper along a curve can lead to structures seen in
decorative art and utilitarian packing boxes. Here we present a theory for the
simplest such structure: an annular circular strip that is folded along a
central circular curve to form a three-dimensional ... | cond-mat_soft |
Strong dynamical effects during stick-slip adhesive peeling: We consider the classical problem of the stick-slip dynamics observed when
peeling a roller adhesive tape at a constant velocity. From fast imaging
recordings, we extract the dependencies of the stick and slip phases durations
with the imposed peeling velocit... | cond-mat_soft |
Dissipation induced transitions in two dimensional elastic membranes: Stochastic thermodynamics provides a useful set of tools to analyze and
constrain the behavior of far from equilibrium systems. In this paper, we
report an application of ideas from stochastic thermodynamics to the problem of
membrane growth. Non-equ... | cond-mat_soft |
Structural and dynamical features of multiple metastable glassy states
in a colloidal system with competing interactions: Systems in which a short-ranged attraction and long-ranged repulsion compete
are intrinsically frustrated, leading their structure and dynamics to be
dominated either by mesoscopic order or by met... | cond-mat_soft |
Snapping elastic disks as microswimmers: swimming at low Reynolds
numbers by shape hysteresis: We illustrate a concept for shape-changing microswimmers, which exploits the
hysteresis of a shape transition of an elastic object, by an elastic disk
undergoing cyclic localized swelling. Driving the control parameter of a... | cond-mat_soft |
A soft departure from jamming: the compaction of deformable granular
matter under high pressures: The high-pressure compaction of three dimensional granular packings is
simulated using a bonded particle model (BPM) to capture linear elastic
deformation. In the model, grains are represented by a collection of point
pa... | cond-mat_soft |
Connectivity of the Hexagonal, Cubic, and Isotropic Phases of the
C$_{12}$EO$_6$/H$_2$O Lyotropic Mixture Investigated by Tracer Diffusion and
X-ray Scattering: The connectivity of the hydrophobic medium in the nonionic binary system
C$_{12}$EO$_6$/H$_2$O is studied by monitoring the diffusion constants of
tracer m... | cond-mat_soft |
Exact curvilinear diffusion coefficients in the repton model: The Rubinstein-Duke or repton model is one of the simplest lattice model of
reptation for the diffusion of a polymer in a gel or a melt. Recently, a
slightly modified model with hardcore interactions between the reptons has been
introduced. The curvilinear d... | cond-mat_soft |
Controlling cell motion and microscale flow with polarized light fields: We investigate how light polarization affects the motion of photo-responsive
algae, \textit{Euglena gracilis}. In a uniformly polarized field, cells swim
approximately perpendicular to the polarization direction and form a nematic
state with zero ... | cond-mat_soft |
Note: Relaxation time below jamming: Like other critical phenomena, the jamming transition accompanies the
divergence of the relaxation time $\tau$. A recent numerical study of
frictionless spherical particles proves that $\tau$ is inversely proportional
to the lowest non-zero eigenvalue $\lambda_1$ of the dynamical ma... | cond-mat_soft |
Ludwig: A parallel Lattice-Boltzmann code for complex fluids: This paper describes `Ludwig', a versatile code for the simulation of
Lattice-Boltzmann (LB) models in 3-D on cubic lattices. In fact `Ludwig' is not
a single code, but a set of codes that share certain common routines, such as
I/O and communications. If `Lu... | cond-mat_soft |
Continuum mechanics at nanoscale. A tool to study trees' watering and
recovery: The cohesion-tension theory expounds the crude sap ascent thanks to the
negative pressure generated by evaporation of water from leaves. Nevertheless,
trees pose multiple challenges and seem to live in unphysical conditions: the
negative ... | cond-mat_soft |
Linear and angular motion of self-diffusiophoretic Janus particles: We theoretically study the active motion of self-diffusiophoretic Janus
particles (JPs) using the Onsager-Casimir reciprocal relations. The linear and
angular velocity of a single JP are shown to respectively result from a
coupling of electrochemical f... | cond-mat_soft |
Autonomous elastic microswimmer: A model of an autonomous three-sphere microswimmer is proposed by
implementing a coupling effect between the two natural lengths of an elastic
microswimmer. Such a coupling mechanism is motivated by the previous models for
synchronization phenomena in coupled oscillator systems. We nume... | cond-mat_soft |
Active actions: effective field theory for active nematics: Active matter consumes energy from the environment and transforms it into
mechanical work. Notable examples from biology include cell division, bacterial
swarms, and muscle contraction. In this work, we investigate the nature of
active matter systems using the... | cond-mat_soft |
Importance of hydrodynamic shielding for the dynamic behavior of short
polyelectrolyte chains: The dynamic behavior of polyelectrolyte chains in the oligomer range is
investigated with coarse-grained molecular dynamics simulation and compared to
data obtained by two different experimental methods, namely capillary
el... | cond-mat_soft |
Flow-Induced Shift of the Donnan Equilibrium for Ultra-Sensitive Mass
Transport Measurement Through a Single Nanochannel: Despite mass flow is arguably the most elementary transport associated to
nanofluidics, its measurement still constitutes a significant bottleneck for
the development of this promising field. Here... | cond-mat_soft |
Universality of Osmotic Equation of State in Star Polymer Solutions: We experimentally measure the osmotic pressures of linear polymers and
three-, four-, and eight-arm star polymers in a good solvent via membrane
osmometry. These results reveal that the osmotic equations of state in the star
polymer solutions are univ... | 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 |
Theory of small-polaron band conduction in ultrapure organic crystals: We present a novel theory of charge-carrier mobilities in organic molecular
crystals of high purity. Our approach is based on Holstein's original concept
of small-polaron bands but generalized with respect to the inclusion of
nonlocal electron-phono... | cond-mat_soft |
Nonlinear Force Propagation during Granular Impact: We experimentally study nonlinear force propagation into granular material
during impact from an intruder, and we explain our observations in terms of the
nonlinear grain-scale force relation. Using high-speed video and photoelastic
particles, we determine the speed a... | cond-mat_soft |
Universality and stability phase-diagram of two-dimensional brittle
fracture: The two-dimensional oscillatory crack instability, experimentally observed in
a class of brittle materials under strongly dynamic conditions, has been
recently reproduced by a nonlinear phase-field fracture theory. Here we
highlight the uni... | cond-mat_soft |
Band-gaps in electrostatically controlled dielectric laminates subjected
to incremental shear motions: The thickness vibrations of a finitely deformed infinite periodic laminate
made out of two layers of dielectric elastomers is studied. The laminate is
pre-stretched by inducing a bias electric field perpendicular th... | cond-mat_soft |
Evaluation of bistable systems versus matched filters in detecting
bipolar pulse signals: This paper presents a thorough evaluation of a bistable system versus a
matched filter in detecting bipolar pulse signals. The detectability of the
bistable system can be optimized by adding noise, i.e. the stochastic resonance
... | cond-mat_soft |
Array of Bose-Einstein condensates under time-periodic
Feshbach-resonance management: The dynamics of a discrete soliton in an array of Bose-Einstein condensates
under the action of a periodically time-modulated atomic scattering length
(``Feshbach-resonance management, FRM'') is investigated. The cases of both
slow ... | cond-mat_soft |
Phase-field-crystal model for liquid crystals: Based on static and dynamical density functional theory, a
phase-field-crystal model is derived which involves both the translational
density and the orientational degree of ordering as well as a local director
field. The model exhibits stable isotropic, nematic, smectic A... | cond-mat_soft |
Universal scaling for disordered viscoelastic matter II: Collapses,
global behavior and spatio-temporal properties: Disordered viscoelastic materials are ubiquitous and exhibit fascinating
invariant scaling properties. In a companion article, we have presented
comprehensive new results for the critical behavior of th... | cond-mat_soft |
Numerical studies of triangulated vesicles with anisotropic membrane
inclusions: In this study, we implement the deviatoric curvature model to examine
dynamically triangulated surfaces with anisotropic membrane inclusions. The
Monte-Carlo numerical scheme is devised to not only minimize the total bending
energy of th... | cond-mat_soft |
Localized and Delocalized Charge Transport in Single-Wall
Carbon-Nanotube Mats: We measured the complex dielectric constant in mats of single-wall
carbon-nanotubes between 2.7 K and 300 K up to 0.5 THz. The data are well
understood in a Drude approach with a negligible temperature dependence of the
plasma frequency (... | cond-mat_soft |
The near and far of a pair of magnetic capillary disks: Control on microscopic scales depends critically on our ability to manipulate
interactions with different physical fields. The creation of micro-machines
therefore requires us to understand how multiple fields, such as surface
capillary or electro-magnetic, can be... | cond-mat_soft |
Wetting of ferrofluids: phenomena and control: Ferrofluids are liquids exhibiting remarkably strong response to magnetic
fields, which leads to fascinating properties useful in various applications.
Understanding the wetting properties and spreading of ferrofluids is important
for their use in microfluidics and magneti... | cond-mat_soft |
Forceless Sadowsky strips are spherical: We show that thin rectangular ribbons, defined as energy-minimising
configurations of the Sadowsky functional for narrow developable elastic
strips, have a propensity to form spherical shapes in the sense that forceless
solutions lie on a sphere. This has implications for ribbon... | cond-mat_soft |
Model studies on motion of respiratory droplets driven through a face
mask: Face masks are used to intercept respiratory droplets to prevent spreading of
air-borne diseases. Designing face masks with better efficiency needs
microscopic understanding on how respiratory droplets move through a mask. Here
we study a sim... | cond-mat_soft |
Statistical Mechanics of Splay Flexoelectricity in Nematic Liquid
Crystals: We develop a lattice model for the splay flexoelectric effect in nematic
liquid crystals. In this model, each lattice site has a spin representing the
local molecular orientation, and the interaction between neighboring spins
represents pear-... | 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 |
Microparticles self-assembly induced by travelling surface acoustic
waves: We present an acoustofluidic method based on travelling surface acoustic
waves (TSAWs) for the induction of the self-assembly of microparticles inside a
microfluidic channel. The particles are trapped above an interdigitated
transducer, placed... | cond-mat_soft |
Spontaneous sense inversion in helical mesophases: We investigate the pitch sensitivity of cholesteric phases of helicoidal
patchy cylinders as a generic model for chiral (bio-)polymers and helix-shaped
colloidal rods. The behaviour of the macroscopic cholesteric pitch is studied
from microscopic principles by invoking... | 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 |
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