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A simple model was constructed to describe the polar ordering of non-centrosymmetric supramolecular aggregates formed by self assembling triblock rodcoil polymers. The aggregates are modeled as dipoles in a lattice with an Ising-like…

Soft Condensed Matter · Physics 2009-10-31 M. Sayar , F. J. Solis , M. Olvera de la Cruz , S. I. Stupp

The screened Coulomb interaction between uniformly charged flat plates is considered at very small plate separations for which the Debye layers are strongly overlapped, in the limit of small electrical potentials. If the plates are of…

Soft Condensed Matter · Physics 2017-02-06 Sandip Ghosal , John D. Sherwood

Interactions between silica surfaces across isopropanol solutions are measured with colloidal probe technique based on atomic force microscope. In particular, the influence of 1:1 electrolytes on the interactions between silica particles is…

Soft Condensed Matter · Physics 2020-07-01 Biljana Stojimirovic , Marco Galli , Gregor Trefalt

We design a nematic collider for controlled out-of-equilibrium anisotropic aggregation of spherical colloidal particles. The nematic surrounding imparts dipolar interactions among the spheres. A bidirectional backflow of the nematic liquid…

Soft Condensed Matter · Physics 2015-05-20 Oleg P. Pishnyak , Sergij V. Shiyanovskii , Oleg D. Lavrentovich

Chiral surface states in topological insulators are robust against interactions, non-magnetic disorder and localization, yet topology does not yield protection in transport. This work presents a theory of interacting topological insulators…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Dimitrie Culcer

The effective capillary interaction potentials for small colloidal particles trapped at the surface of liquid droplets are calculated analytically. Pair potentials between capillary monopoles and dipoles, corresponding to particles floating…

Soft Condensed Matter · Physics 2015-05-27 J. Guzowski , M. Tasinkevych , S. Dietrich

This study examines the effect that dipole-dipole charge interactions between fractal aggregates have on the growth of dust grains. Aggregates in a plasma or radiative environment will have charge distributed over their extended surface,…

Plasma Physics · Physics 2015-05-13 L. S. Matthews , T. W. Hyde

The van der Waals dispersion interaction between two chiral molecules in the presence of arbirary magnetoelectric media is derived using perturbation theory. To be general, the molecular polarisabilities are assumed to be of electric,…

Quantum Physics · Physics 2020-06-24 Hassan Safari , Pablo Barcellona , Stefan Yoshi Buhmann , Akbar Salam

We present a comprehensive discussion of the so-called asymmetric Wigner bilayer system, where mobile point charges, all of the same sign, are immersed into the space left between two parallel, homogeneously charged plates (with possibly…

Soft Condensed Matter · Physics 2019-01-30 Moritz Antlanger , Gerhard Kahl , Martial Mazars , Ladislav Samaj , Emmanuel Trizac

We examine the stability of ringlike configurations of N charges on a plane interacting through the potential $V(z_1,...,z_N)=\sum_i |z_i|^2-\sum_{i<j} ln|z_i-z_j|^2$. We interpret the equilibrium distributions in terms of a shell model and…

Mathematical Physics · Physics 2009-11-07 I. Kogan , A. M. Perelomov , G. W. Semenoff

The particles of electrorheological fluids can be modelled as dielectric spheres (DS) immersed in a continuum dielectric. When an external field is applied, polarization charges are induced on the surfaces of the spheres and can be…

Soft Condensed Matter · Physics 2013-12-13 D. Boda , M. Valiskó , I. Szalai

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 consists only of mobile…

Soft Condensed Matter · Physics 2020-10-01 Malihe Ghodrat , Ali Naji , Haniyeh Komaie-Moghaddam , Rudolf Podgornik

We describe arrangements of ions capable of producing short-range attractive interactions between pairs of charged colloidal spheres in the low temperature strongly correlated limit. For particles of radius $R$ with bare charge $Z$ and…

Strongly Correlated Electrons · Physics 2007-05-23 Francisco J. Solis , Monica Olvera de la Cruz

Capillary attraction between identical millimeter sized spheres floating at a liquid-air interface and the resulting aggregation is investigated at low Reynolds number. We show that the measured capillary forces between two spheres as a…

Fluid Dynamics · Physics 2015-05-27 Marie-Julie Dalbe , Darija Cosic , Michael Berhanu , Arshad Kudrolli

Electrostatic interactions between point charges embedded into interfaces separating dielectric media are omnipresent in soft matter systems and often control their stability. Such interactions are typically complicated and do not resemble…

Soft Condensed Matter · Physics 2020-09-09 Alexander Morozov , Iain Muntz , Job H. J. Thijssen , Davide Marenduzzo

In present models cloud based lightning forms as a consequence of the earth's gravitational and/or electromagnetic fields. Our simplified field-free model probes the random aggregation of a neutral ensemble consisting of a random…

Computational Physics · Physics 2018-07-03 M. Tsouchnika , M. Kanetidis , P. Argyrakis , R. Kopelman

We study the ionic equilibria and interactions of neutral semi-permeable spherical shells immersed in electrolyte solutions, including polyions. Although the shells are uncharged, only one type of ions of the electrolyte can permeate them,…

Soft Condensed Matter · Physics 2012-07-24 Vladimir Lobaskin , Artem N. Bogdanov , Olga I. Vinogradova

The binodals and the non-ergodicity lines of a binary mixture of hard sphere-like particles with large size ratio are computed for studying the interplay between dynamic arrest and phase separation in depletion-driven colloidal mixtures.…

Soft Condensed Matter · Physics 2009-11-13 Ph. Germain , S. Amokrane

Screening of a strongly charged macroion by oppositely charged colloidal particles, micelles, or short polyelectrolytes is considered. Due to strong lateral repulsion such multivalent counterions form a strongly correlated liquid at the…

Soft Condensed Matter · Physics 2009-10-31 T. T. Nguyen , A. Yu. Grosberg , B. I. Shklovskii

Due to the nonlinearity of QED, a static charge becomes a magnetic dipole if placed in a magnetic field. Already without external field, the cubic Maxwell equation for the field of a point charge has a soliton solution with a finite field…

High Energy Physics - Theory · Physics 2015-09-02 T. C. Adorno , Caio Costa , D. M. Gitman , A. E. Shabad