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Mixing-induced anisotropic correlations in molecular crystalline systems: We investigate the structure of mixed thin films composed of pentacene (PEN)
and diindenoperylene (DIP) using X-ray reflectivity and grazing incidence X-ray
diffraction. For equimolar mixtures we observe vanishing in-plane order
coexisting with a... | cond-mat_soft |
Self-replicating segregation patterns in horizontally vibrated binary
mixture of granules: When granular mixtures of different sizes are fluidized, each species
spontaneously separates and condenses to form patterns. Although granular
segregation has been extensively studied, the inability to directly observe the
tim... | cond-mat_soft |
Quantum Field Theory of Treasury Bonds: The Heath-Jarrow-Morton (HJM) formulation of treasury bonds in terms of
forward rates is recast as a problem in path integration. The HJM-model is
generalized to the case where all the forward rates are allowed to fluctuate
independently. The resulting theory is shown to be a two... | cond-mat_soft |
Mechanical equilibrium of aggregates of dielectric spheres: Industrial as well as natural aggregation of fine particles is believed to be
associated with electrostatics. Yet like charges repel, so it is unclear how
similarly treated particles aggregate. To resolve this apparent contradiction,
we analyze conditions nece... | cond-mat_soft |
Towards the description of water adsorption in slit-like nanochannels
with grafted molecular brushes. Density functional theory: We have explored a model for adsorption of water into slit-like nanochannels
with two walls chemically modified by grafted polymer layers forming brushes. A
version of density functional me... | cond-mat_soft |
Analytical classical density functionals from an equation learning
network: We explore the feasibility of using machine learning methods to obtain an
analytic form of the classical free energy functional for two model fluids,
hard rods and Lennard--Jones, in one dimension . The Equation Learning Network
proposed in R... | cond-mat_soft |
Nematic-Isotropic Transition with Quenched Disorder: Nematic elastomers do not show the discontinuous, first-order, phase
transition that the Landau-De Gennes mean field theory predicts for a
quadrupolar ordering in 3D. We attribute this behavior to the presence of
network crosslinks, which act as sources of quenched o... | cond-mat_soft |
Wetting, roughness and hydrodynamic slip: The hydrodynamic slippage at a solid-liquid interface is currently at the
center of our understanding of fluid mechanics. For hundreds of years this
science has relied upon no-slip boundary conditions at the solid-liquid
interface that has been applied successfully to model man... | cond-mat_soft |
Role of rotational inertia for collective phenomena in active matter: We investigate the effect of rotational inertia on the collective phenomena
of underdamped active systems and show that the increase of the moment of
inertia of each particle favors non-equilibrium phase coexistence, known as
motility induced phase s... | cond-mat_soft |
Oscillatory decay of a two-component Bose-Einstein condensate: We study the decay of a two-component Bose-Einstein condensate with negative
effective interaction energy. With a decreasing atom number due to losses, the
atom-atom interaction becomes less important and the system undergoes a
transition from a bistable Jo... | cond-mat_soft |
GCIceNet: A Graph Convolutional Network for Accurate Classification of
Water Phases: Understanding phases of water molecules based on local structure is essential
for understanding their anomalous properties. However, due to complicated
structural motifs formed via hydrogen bonds, conventional order parameters
repres... | cond-mat_soft |
Sliding droplets of Xanthan solutions: a joint experimental and
numerical study: We have investigated the sliding of droplets made of solutions of Xanthan, a
stiff rodlike polysaccharide exhibiting a non-newtonian behavior, notably
characterized by a shear-rate dependence of the viscosity. These experimental
results ... | cond-mat_soft |
An improved integration scheme for Mode-coupling-theory equations: Within the mode-coupling theory (MCT) of the glass transition, we reconsider
the numerical schemes to evaluate the MCT functional. Here we propose
nonuniform discretizations of the wave number, in contrast to the standard
equidistant grid, in order to d... | cond-mat_soft |
On the relaxation dynamics of glass-forming systems: Insights from
computer simulations: We discuss the relaxation dynamics of a simple lattice gas model for
glass-forming systems and show that with increasing density of particles this
dynamics slows down very quickly. By monitoring the trajectory of tagged
particles... | cond-mat_soft |
Motion of nanodroplets near edges and wedges: Nanodroplets residing near wedges or edges of solid substrates exhibit a
disjoining pressure induced dynamics. Our nanoscale hydrodynamic calculations
reveal that non-volatile droplets are attracted or repelled from edges or
wedges depending on details of the corresponding ... | cond-mat_soft |
Effective interaction between star polymers: The distance-resolved effective interaction between two star polymers in a
good solvent is calculated by Molecular Dynamics computer simulations. The
results are compared with a pair potential proposed recently by Likos et al.
[Phys. Rev. Lett. 1998, 80, 4450] which is expon... | cond-mat_soft |
The Föppl-von Kármán equations of elastic plates with initial
stress: Initially stressed plates are widely used in modern fabrication techniques,
such as additive manufacturing and UV lithography, for their tunable morphology
by application of external stimuli. In this work, we propose a formal
asymptotic derivation ... | cond-mat_soft |
Normal modes analysis of the microscopic dynamics in hard discs: We estimate numerically the normal modes of the free energy in a glass of
hard discs. We observe that, near the glass transition or after a rapid quench
deep in the glass phase, the density of states (i) is characteristic of a
marginally stable structure,... | cond-mat_soft |
Local thermal energy as a structural indicator in glasses: Identifying heterogeneous structures in glasses --- such as localized soft
spots --- and understanding structure-dynamics relations in these systems
remain major scientific challenges. Here we derive an exact expression for the
local thermal energy of interacti... | cond-mat_soft |
Symmetry breaking and coarsening of clusters in a prototypical driven
granular gas: Granular hydrodynamics predicts symmetry-breaking instability in a
two-dimensional (2D) ensemble of nearly elastically colliding smooth hard
spheres driven, at zero gravity, by a rapidly vibrating sidewall. Super- and
subcritical symm... | cond-mat_soft |
Drop dynamics on Liquid Infused Surfaces: The Role of the Wetting Ridge: We employ a free energy lattice Boltzmann method to study the dynamics of a
ternary fluid system consisting of a liquid drop driven by a body force across
a regularly textured substrate, infused by a lubricating liquid. We focus on
the case of par... | cond-mat_soft |
Self-propelled particle in a nonconvex external potential: Persistent
limit in one dimension: Equilibrium mapping techniques for nonaligning self-propelled particles have
made it possible to predict the density profile of an active ideal gas in a
wide variety of external potentials, however they fail when the self-pr... | cond-mat_soft |
Impact of boundaries on velocity profiles in bubble rafts: Under conditions of sufficiently slow flow, foams, colloids, granular matter,
and various pastes have been observed to exhibit shear localization, i.e.
regions of flow coexisting with regions of solid-like behavior. The details of
such shear localization can va... | cond-mat_soft |
Generalized Einstein's and Brinkman's solutions for the effective
viscosity of nanofluids: In this paper, we derive the closed form analytical solutions for the
effective viscosity of the suspensions of solid spheres that take into account
the size effects. This result is obtained using the solution for the effective... | cond-mat_soft |
Emergent Stereoselective Interactions and Self-recognition in Polar
Chiral Active Ellipsoids: In many active matter systems, particle trajectories have a well-defined
handedness or chirality. Whether such chiral activity can introduce
stereoselective interactions between particles is not known. Here we developed
a st... | cond-mat_soft |
Universal origin of boson peak vibrational anomalies in ordered crystals
and in amorphous materials: The vibrational spectra of solids, both ordered and amorphous, in the
low-energy regime, control the thermal and transport properties of materials,
from heat capacity to heat conduction, electron-phonon couplings, con... | cond-mat_soft |
Effective pair interactions between colloidal particles at a
nematic-isotropic interface: The Landau-de Gennes free energy is used to study theoretically the
interaction of parallel cylindrical colloidal particles trapped at a
nematic-isotropic interface. We find that the effective interaction potential
is non-monoto... | cond-mat_soft |
Polymer Glass Formation: Role of Activation Free Energy, Configurational
Entropy, and Collective Motion: We provide a perspective on polymer glass formation, with an emphasis on
models in which the fluid entropy and collective particle motion dominate the
theoretical description and data analysis. We first discuss th... | cond-mat_soft |
Non-Newtonian viscosity of E-coli suspensions: The viscosity of an active suspension of E-Coli bacteria is determined
experimentally in the dilute and semi dilute regime using a Y shaped
micro-fluidic channel. From the position of the interface between the pure
suspending fluid and the suspension, we identify rheo-thic... | cond-mat_soft |
Extraterrestrial sink dynamics in granular matter: A loosely packed bed of sand sits precariously on the fence between
mechanically stable and flowing states. This has especially strong implications
for animals or vehicles needing to navigate sandy environments, which can sink
and become stuck in a "dry quicksand" if t... | cond-mat_soft |
Holographic interferometry study of the dissolution and diffusion of
gypsum in water: We have performed holographic interferometry measurements of the dissolution
of the (010) plane of a cleaved gypsum single crystal in pure water. These
experiments have provided the value of the dissolution rate constant k of
gypsum... | 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 |
Scaling theory for the jamming transition: We propose a scaling ansatz for the elastic energy of a system near the
critical jamming transition in terms of three relevant fields: the compressive
strain $\Delta \phi$ relative to the critical jammed state, the shear strain
$\epsilon$, and the inverse system size $1/N$. We... | cond-mat_soft |
Active Motion of Janus Particle by Self-thermophoresis in Defocused
Laser Beam: We study self-propulsion of a half-metal coated colloidal particle under
laser irradiation. The motion is caused by self-thermophoresis: i.e. absorption
of laser at the metal-coated side of the particle creates local temperature
gradient ... | cond-mat_soft |
Minimal Surfaces, Screw Dislocations and Twist Grain Boundaries: Large twist-angle grain boundaries in layered structures are often described
by Scherk's first surface whereas small twist-angle grain boundaries are
usually described in terms of an array of screw dislocations. We show that
there is no essential distinct... | cond-mat_soft |
Phase nucleation in curved space: Nucleation and growth is the dominant relaxation mechanism driving first
order phase transitions. In two-dimensional at systems nucleation has been
applied to a wide range of problems in physics, chemistry and biology. Here we
study nucleation and growth of two-dimensional phases lying... | cond-mat_soft |
Relaxation dynamics of functionalized colloids on attractive substrates: Particle-based simulations are performed to study the post-relaxation
dynamics of functionalized (patchy) colloids adsorbed on an attractive
substrate. Kinetically arrested structures that depend on the number of
adsorbed particles and the strengt... | cond-mat_soft |
Effects of strongly selective additives on volume phase transition in
gels: We investigate volume phase transition in gels immersed in mixture solvents,
on the basis of a three-component Flory-Rehner theory. When the selectivity of
the minority solvent component to the polymer network is strong, the gel tends
to shri... | cond-mat_soft |
Nanofluidic logic with mechano-ionic memristive switches: While most neuromorphic systems are based on nanoscale electronic devices,
nature relies on ions for energy-efficient information processing. Therefore,
finding memristive nanofluidic devices is a milestone toward realizing
electrolytic computers mimicking the b... | cond-mat_soft |
Surface patterns in drying films of silica colloidal dispersions: We report an experimental study on the drying of silica colloidal
dispersions. Here we focus on a surface instability occurring in a drying paste
phase before crack formation which affects the final film quality. Observations
at macroscopic and microscop... | cond-mat_soft |
Higher-order moment theories for dilute granular gases of smooth
hard-spheres: Grad's method of moments is employed to develop higher-order Grad's moment
equations---up to first 26-moments---for granular gases within the framework of
the (inelastic) Boltzmann equation. The homogeneous cooling state of a freely
coolin... | cond-mat_soft |
Coordinated Stress-Structure Self-Organization in Granular Packing: It is accepted that stress and structure self-organize cooperatively during
quasi-static dynamics of granular systems, but the consequences of this
self-organization are not fully understood. Such an understanding is essential
because local structural ... | cond-mat_soft |
Bogoliubov approach to superfluidity of atoms in an optical lattice: We use the Bogoliubov theory of atoms in an optical lattice to study the
approach to the Mott-insulator transition. We derive an explicit expression for
the superfluid density based on the rigidity of the system under phase
variations. This enables us... | cond-mat_soft |
Stability and interactions of nanocolloids at fluid interfaces: effects
of capillary waves and line tensions: We analyze the effective potential for nanoparticles trapped at a fluid
interface within a simple model which incorporates surface and line tensions as
well as a thermal average over interface fluctuations (c... | cond-mat_soft |
Reversible magnetomechanical collapse: virtual touching and detachment
of rigid inclusions in a soft elastic matrix: Soft elastic composite materials containing particulate rigid inclusions in a
soft elastic matrix are candidates for developing soft actuators or tunable
damping devices. The possibility to reversibly ... | cond-mat_soft |
Scaling regimes for wormlike chains confined to cylindrical surfaces
under tension: We compute the free energy of confinement ${\cal{F}}$ for a wormlike chain
(WLC), with persistence length $l_p$, that is confined to the surface of a
cylinder of radius $R$ under an external tension $f$ using a mean field
variational ... | cond-mat_soft |
Improved general-purpose five-point model for water: TIP5P/2018: A new five point potential for liquid water, TIP5P/2018, is presented along
with the techniques used to derive its charges from ab initio per-molecule
electrostatic potentials in the liquid phase using the split charge
equilibration (SQE) of Nistor et al.... | cond-mat_soft |
Analysis of the shape of x-ray diffraction peaks originating from the
hexatic phase of liquid crystal films: X-ray diffraction studies of the bond-orientational order in the hexatic-B
phase of 75OBC and 3(10)OBC compounds are presented. The temperature evolution
of an angular profile of a single diffraction peak is a... | cond-mat_soft |
Microscopic Description of Entanglements in Polyethylene Networks and
Melts: Strong, Weak, Pairwise, and Collective Attributes: We present atomistic molecular dynamics simulations of two Polyethylene
systems where all entanglements are trapped: a perfect network, and a melt with
grafted chain ends. We examine microsc... | cond-mat_soft |
Mechanics of invagination and folding: hybridized instabilities when one
soft tissue grows on another: We address the folding induced by differential growth in soft layered solids
via an elementary model that consists of a soft growing neo-Hookean elastic
layer adhered to a deep elastic substrate. As the layer/substr... | cond-mat_soft |
Creation of a monopole in a spinor condensate: We propose a method to create a monopole structure in a spin-1 spinor
condensate by applying the basic methods used to create vortices and solitons
experimentally in single-component condensates. We show, however, that by using
a two-component structure for a monopole, we ... | cond-mat_soft |
Snapping Mechanical Metamaterials under Tension: We present a monolithic mechanical metamaterial comprising a periodic
arrangement of snapping units with tunable tensile behavior. Under tension, the
metamaterial undergoes a large extension caused by sequential snap-through
instabilities, and exhibits a pattern switch f... | cond-mat_soft |
Insights into DNA-mediated interparticle interactions from a
coarse-grained model: DNA-functionalized particles have great potential for the design of complex
self-assembled materials. The major hurdle in realizing crystal structures from
DNA-functionalized particles is expected to be kinetic barriers that trap the
s... | cond-mat_soft |
Salt-induced reentrant stability of polyion-decorated particles with
tunable surface charge density: The electrostatic complexation between DOTAP-DOPC unilamellar liposomes and
an oppositely charged polyelectrolyte (NaPA) has been investigated in a wide
range of the liposome surface charge density. We systematically ... | cond-mat_soft |
Topological vortex formation in a Bose-Einstein condensate: Vortices were imprinted in a Bose-Einstein condensate using topological
phases. Sodium condensates held in a Ioffe-Pritchard magnetic trap were
transformed from a non-rotating state to one with quantized circulation by
adiabatically inverting the magnetic bias... | cond-mat_soft |
Mutual diffusion of inclusions in freely-suspended smectic liquid
crystal films: We study experimentally and theoretically the hydrodynamic interaction of
pairs of circular inclusions in two-dimensional, fluid smectic membranes
suspended in air. By analyzing their Brownian motion, we find that the radial
mutual mobil... | cond-mat_soft |
Transient deformation of a droplet near a microfluidic constriction : a
quantitative analysis: We report on experiments that consist in deforming a collection of
monodisperse droplets produced by a microfluidic chip through a flow-focusing
device. We show that a proper numerical modelling of the flow is necessary to
... | cond-mat_soft |
How do ionic superdiscs self-assemble in nanopores?: Discotic ionic liquid crystals (DILCs) consist of self-assembled superdiscs
of cations and anions that spontaneously stack in linear columns with high
one-dimensional ionic and electronic charge mobility, making them prominent
model systems for functional soft matter... | cond-mat_soft |
Motion of nanodroplets near chemical heterogeneities: We investigate the dynamics of nanoscale droplets in the vicinity of chemical
steps which separate parts of a substrate with different wettabilities. Due to
long-ranged dispersion forces, nanodroplets positioned on one side of the step
perceive the different charact... | cond-mat_soft |
Sedimentation of active colloidal suspensions: In this paper, we investigate experimentally the non-equilibrium steady state
of an active colloidal suspension under gravity field. The active particles are
made of chemically powered colloids, showing self propulsion in the presence of
an added fuel, here hydrogen peroxi... | cond-mat_soft |
Metastability of lipid necks via geometric triality: "Necks" are features of lipid membranes characterized by an uniquley large
curvature, functioning as bridges between different compartments. These
features are ubiquitous in the life-cycle of the cell and instrumental in
processes such as division, extracellular vesi... | cond-mat_soft |
Drag coefficient of a liquid domain in a two-dimensional membrane: Using a hydrodynamic theory that incorporates a momentum decay mechanism, we
calculate the drag coefficient of a circular liquid domain of finite viscosity
moving in a two-dimensional membrane. We derive an analytical expression for
the drag coefficient... | cond-mat_soft |
Depletion-induced crystallization of anisotropic triblock colloids: The intricate interplay between colloidal particle shape and precisely
engineered interaction potentials has paved the way for the discovery of
unprecedented crystal structures in both two and three dimensions. Here, we
make use of anisotropic triblock... | cond-mat_soft |
Structural Relaxation Time and Dynamic Shear Modulus of Glassy Graphene: We theoretically investigate glass transition behaviors of the glassy
graphene in a wide range of temperature, where this amorphous graphene is
described as a hard-sphere fluid. The dynamic arrest of a particle is
assumingly caused by interactions... | cond-mat_soft |
Control and ultrasonic actuation of a gas-liquid interface in a
microfluidic chip: This article describes the design and manufacturing of a microfluidic chip,
allowing for the actuation of a gas-liquid interface and of the neighboring
fluid. A first way to control the interface motion is to apply a pressure
differenc... | cond-mat_soft |
Knotting and weak knotting in confined, open random walks using virtual
knots: We probe the character of knotting in open, confined polymers, assigning knot
types to open curves by identifying their projections as virtual knots. In this
sense, virtual knots are transitional, lying in between classical knot types,
whi... | cond-mat_soft |
A surface force apparatus for nanorheology under large shear strain: We describe a surface force apparatus designed to probe the rheology of a
nanoconfined medium under large shear amplitudes (up to 500 $\mu$m). The
instrument can be operated in closed-loop, controlling either the applied
normal load or the thickness o... | cond-mat_soft |
UV-Manipulation of Order and Macroscopic Shape in Nematic Elastomers: A range of monodomain nematic liquid crystal elastomers containing differing
proportions of photo-isomerisable mesogenic moieties, which turn from a
rod-like to a kinked shape upon ultraviolet (UV) irradiation, was studied.
Depending on the proportio... | cond-mat_soft |
Topology in non-linear mechanical systems: Many advancements have been made in the field of topological mechanics. The
majority of the works, however, concerns the topological invariant in a linear
theory. We, in this work, present a generic prescription of defining
topological indices which accommodates non-linear eff... | cond-mat_soft |
Localized fluidization in granular materials: Theoretical and numerical
study: We present analytical and numerical results on localized fluidization within
a granular layer subjected to a local injection of fluid. As the injection rate
increases the three different regimes previously reported in the literature are
re... | cond-mat_soft |
Continuous rotation of achiral nematic liquid crystal droplets driven by
heat flux: Suspended droplets of cholesteric (chiral nematic) liquid crystals
spontaneously rotate in the presence of a heat flux due to a temperature
gradient, a phenomenon known as Lehmann effect. So far, it is not clear whether
this effect is... | cond-mat_soft |
Entanglement and weak interaction driven mobility of small molecules in
polymer networks: Diffusive transport of small molecules within the internal structures of
biological and synthetic material systems is complex because the crowded
environment presents chemical and physical barriers to mobility. We explored
this ... | cond-mat_soft |
Structure factor and thermodynamics of rigid dendrimers in solution: The ''polymer reference interaction site model'' (PRISM) integral equation
theory is used to determine the structure factor of rigid dendrimers in
solution. The theory is quite successful in reproducing experimental structure
factors for various dendr... | cond-mat_soft |
Modeling growing confluent tissues using a lattice Boltzmann method:
interface stability and fluctuations: Tissue growth underpins a wide array of biological and developmental
processes, and numerical modeling of growing systems has been shown to be a
useful tool for understanding these processes. However, the phenom... | cond-mat_soft |
Pentagon deposits unpack under gentle tapping: We present results from simulations of regular pentagons arranged in a
rectangular die. The particles are subjected to vertical tapping. We study the
behavior of the packing fraction, number of contacts and arch distributions as
a function of the tapping amplitude. Pentago... | cond-mat_soft |
PECVD and PEALD on polymer substrates (Part II): Understanding and
tuning of barrier and membrane properties of thin films: This feature article presents insights concerning the correlation of PECVD
and PEALD thin film structures with their barrier or membrane properties. While
in principle similar precursor gases an... | cond-mat_soft |
Spin-lattice NMR relaxation by anomalous translational diffusion: A model-free theoretical framework for a phenomenological description of
spin-lattice relaxation by anomalous translational diffusion in inhomogeneous
systems based on the fractional diffusion equation is developed. The dependence
of the spin-lattice rel... | cond-mat_soft |
Geometric and Topological Entropies of Sphere Packing: We present a statistical mechanical description of randomly packed spherical
particles, where the average coordination number is treated as a macroscopic
thermodynamic variable. The overall packing entropy is shown to have two
contributions: geometric, reflecting s... | 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 |
Partitioning of energy in highly polydisperse granular gases: A highly polydisperse granular gas is modeled by a continuous distribution of
particle sizes, a, giving rise to a corresponding continuous temperature
profile, T(a), which we compute approximately, generalizing previous results
for binary or multicomponent m... | cond-mat_soft |
Self-assembly of binary solutions to complex structures: Self-assembly in natural and synthetic molecular systems can create complex
aggregates or materials whose properties and functionality rises from their
internal structure and molecular arrangement. The key microscopic features that
control such assemblies remain ... | cond-mat_soft |
On the Granular Stress-Geometry Equation: Using discrete calculus, we derive the missing stress-geometry equation for
rigid granular materials in two dimensions, in the mean-field approximation. We
show that (i) the equation imposes that the voids cannot carry stress, (ii)
stress transmission is generically elliptic an... | cond-mat_soft |
Spontaneous stable rotation of flocking flexible active matter: In nature, active matter, such as worms or dogs, tend to spontaneously form a
stable rotational cluster when they flock to the same food source on an
unregulated and unconfined surface. {In this paper we present an $n$-node
flexible active matter model to ... | cond-mat_soft |
An Ising model for the thermal and dynamic properties of supercooled
liquids and the glass transition: We describe the behavior of an Ising model with orthogonal dynamics, where
changes in energy and changes in alignment never occur during the same Monte
Carlo (MC) step. This orthogonal Ising model (OIM) allows conse... | cond-mat_soft |
Entropically Driven Helix Formation: The helix is a ubiquitous motif for biopolymers. We propose a heuristic,
entropically based model that predicts helix formation in a system of hard
spheres and semiflexible tubes. We find that the entropy of the spheres is
maximized when short stretches of the tube form a helix with... | cond-mat_soft |
How to make and trap a pseudo-vesicle with a micropipette: We present a simple method to produce giant lipid pseudo-vesicles (vesicles
with an oily cap on the top), trapped in an agarose gel. The method can be
implemented using only a regular micropipette and relies on the formation of a
water/oil/water double droplet ... | cond-mat_soft |
Nucleation-induced transition to collective motion in active systems: While the existence of polar ordered states in active systems is well
established, the dynamics of the self-assembly processes are still elusive. We
study a lattice gas model of self-propelled elongated particles interacting
through excluded volume a... | cond-mat_soft |
A multi-species exchange model for fully fluctuating polymer field
theory simulations: Field-theoretic models have been used extensively to study the phase behavior
of inhomogeneous polymer melts and solutions, both in self-consistent
mean-field calculations and in numerical simulations of the full theory
capturing c... | cond-mat_soft |
Optical responses through dilute anisotropic composites: Numerical
calculations via Green's-function formalism: We investigate the linear and nonlinear optical responses of dilute
anisotropic networks using the Green's-function formalism (GFF)[Gu Y et al.
1999 Phys. Rev. B 59 12847]. For the different applied fields,... | cond-mat_soft |
Ordering transitions of weakly anisotropic hard rods in narrow slit-like
pores: The effect of strong confinement on the positional and orientational ordering
is examined in a system of hard rectangular rods with length L and diameter D
(L>D) using the Parsons-Lee modification of the second virial density
functional t... | cond-mat_soft |
Actuation performances of anisotropic gels: We investigated the actuation performances of anisotropic gels driven by
mechanical and chemical stimuli, in terms of both deformation processes and
stroke--curves, and distinguished between the fast response of gels before
diffusion starts and the asymptotic response attaine... | cond-mat_soft |
Membrane stress and torque induced by Frank's nematic textures: A
geometric perspective using surface-based constraints: An elastic membrane with embedded nematic molecules is considered as a model
of anisotropic fluid membrane with internal ordering. By considering the
geometric coupling between director field and m... | cond-mat_soft |
Hierarchical microphase separation in non-conserved active mixtures: Non-equilibrium phase separating systems with reactions can break
time-reversal symmetry (TRS) in two distinct ways. Firstly, the conservative
and non-conservative sectors of the dynamics can be governed by incompatible
free energies; when both sector... | cond-mat_soft |
2D to 3D transition in soap films demonstrated by microrheology: We follow the diffusive motion of colloidal particles of diameter $d$ in soap
films of varying thickness $h$ with fluorescence microscopy. Diffusion
constants are obtained both from one- and two-particle microrheological
measurements of particle motion in... | cond-mat_soft |
Stopping and reversing sound via dynamic dispersion tuning in a phononic
metamaterial: Slowing down, stopping, and reversing a signal is a core functionality for
information processing. Here, we show that this functionality can be realized
by tuning the dispersion of a periodic system through a dispersionless, or
fla... | cond-mat_soft |
Exceptional Anti-Icing Performance of Self-Impregnating Slippery
Surfaces: A heat exchange interface at subzero temperature in a water vapor
environment, exhibits high probability of frost formation due to freezing
condensation, a factor that markedly decreases the heat transfer efficacy due
to the considerable therm... | cond-mat_soft |
Surface sulci in squeezed soft solids: The squeezing of soft solids, the constrained growth of biological tissues,
and the swelling of soft elastic solids such as gels can generate large
compressive stresses at their surfaces. This causes the otherwise smooth
surface of such a solid to becomes unstable when its stress ... | cond-mat_soft |
Asymptotic Analysis of Diffuse-Layer Effects on Time-Dependent
Interfacial Kinetics: We investigate the subtle effects of diffuse charge on interfacial kinetics
by solving the governing equations for ion transport (Nernst-Planck) with
realistic boundary conditions representing reaction kinetics (Butler-Volmer)
and co... | cond-mat_soft |
Bistability in a self-assembling system confined by elastic walls. Exact
results in a one-dimensional lattice model: The impact of confinement on self-assembly of particles interacting with
short-range attraction and long-range repulsion (SALR) potential is studied for
thermodynamic states corresponding to local orde... | cond-mat_soft |
Time resolved viscoelastic properties during structural arrest and aging
of a colloidal glass: Evolution of the energy landscape during physical aging of glassy materials
can be understood from the frequency and strain dependence of the shear modulus
but the non-stationary nature of these systems frustrates investiga... | cond-mat_soft |
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