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Related papers: Effective triplet interactions in nematic colloids

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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-monotonic. The…

Soft Condensed Matter · Physics 2015-06-24 D. Andrienko , M. Tasinkevych , S. Dietrich

The Landau-de Gennes free energy is used to calculate the interaction between long cylindrical colloids and the nematic-isotropic (NI) interface. This interaction has two contributions: one is specific of liquid crystals and results from…

Soft Condensed Matter · Physics 2007-05-23 D. Andrienko , M. Tasinkevych , P. Patricio , M. M. Telo da Gama

Three-body interactions have been measured among three charged colloidal particles in deionized solvent. Two of the particles have been confined to an optical line-trap while the third one was approached by means of a focused laser beam.…

Soft Condensed Matter · Physics 2008-01-28 M. Brunner , J. Dobnikar , H. H. von Grünberg , C. Bechinger

This mini-review discusses the recent contribution of theoretical and computational physics as well as experimental efforts to the understanding of the behavior of colloidal particles in confined geometries and at liquid crystalline…

Soft Condensed Matter · Physics 2010-11-05 Mykola Tasinkevych , Denis Andrienko

The effective interaction between spherical colloids in nematic liquid crystals is investigated in the framework of the Landau-de Gennes theory. The colloids differ through their interaction with the nematic. While both particles induce…

Soft Condensed Matter · Physics 2012-05-04 Z. Eskandari , N. M. Silvestre , M. Tasinkevych , M. M. Telo da Gama

The Landau-de Gennes free energy is used to study theoretically the effective interaction of a spherical "key" and an anisotropic "lock" colloidal particles. We assume identical anchoring properties of the surfaces of the key and of the…

Soft Condensed Matter · Physics 2017-01-18 Nuno M. Silvestre , M. Tasinkevych

Three-body and four-body interactions have been directly measured in a colloidal system comprised of three (or four) charged colloidal particles. Two of the particles have been confined by means of a scanned laser tweezers to a line-shaped…

Soft Condensed Matter · Physics 2009-11-13 J. Dobnikar , M. Brunner , Jörg Baumgartl , H. H. von Grünberg , C. Bechinger

We present the first direct measurement of three-body interactions in a colloidal system comprised of three charged colloidal particles. Two of the particles have been confined by means of a scanned laser tweezers to a line-shaped optical…

Soft Condensed Matter · Physics 2008-01-28 J. Dobnikar , M. Brunner , H. H. von Grünberg , C. Bechinger

The theory of elastic interaction of micron size axially symmetric colloidal particles immersed into confined nematic liquid crystal has been proposed. General formulas are obtained for the self energy of one colloidal particle and…

Soft Condensed Matter · Physics 2015-05-14 S. B. Chernyshuk , B. I. Lev

Using extensive Monte Carlo (MC) simulations of colloids immersed in a nematic liquid crystal we compute an effective interaction potential via the local nematic director field and its associated order parameter. The effective potential…

Soft Condensed Matter · Physics 2015-05-22 Sergej Schlotthauer , Tillmann Stieger , Michael Melle , Marco G. Mazza , Martin Schoen

Anisotropic fluids appear in a diverse array of systems, from liquid-crystal displays to bacterial swarms, and are characterized by orientational order. Large colloidal particles immersed in such environments disturb the medium's…

Soft Condensed Matter · Physics 2025-01-03 Thomas G. J. Chandler , Saverio E. Spagnolie

The present review summarizes and assesses recent theoretical and experimental advances, with special emphasis on the effective interaction between charge-stabilized colloids, in the bulk or in confined geometries, and on the ambiguities of…

Soft Condensed Matter · Physics 2015-06-24 J. -P. Hansen , H. Lowen

We consider a Landau-de Gennes model for a polydisperse, inhomogeneous suspension of colloidal inclusions in a nematic host, in the dilute regime. We study the homogenised limit and compute the effective free energy of the composite…

Analysis of PDEs · Mathematics 2019-10-09 Giacomo Canevari , Arghir Zarnescu

Influences of nonlinear screening on effective interactions between spherical macroions in charged colloids are described via response theory. Nonlinear screening, in addition to generating effective many-body interactions, is shown to…

Soft Condensed Matter · Physics 2007-05-23 A. R. Denton

When captured by a flat nematic-isotropic interface, colloidal particles can be dragged by it. As a result spatially periodic structures may appear, with the period depending on a particle mass, size, and interface…

Soft Condensed Matter · Physics 2009-11-11 J. L. West , K. Zhang , A. Glushchenko , D. Andrienko , M. Tasinkevych , Y. Reznikov

Three-nucleon forces are an essential ingredient for an accurate description of nuclear few- and many-body systems. However, implementing them directly in many-body calculations is technically very challenging. Thus, there is a need for an…

Nuclear Theory · Physics 2021-01-07 Lukas Treuer

Three-body distribution functions in classical fluids have been theoretically investigated many times, but have never been measured directly. We present experimental three-point correlation functions that are computed from particle…

Soft Condensed Matter · Physics 2009-11-10 Carsten Russ , Klaus Zahn , Hans-Hennig von Grunberg

To solve difficulties related to the use of nuclear density functional theory applied in its beyond mean-field version, we introduce a semi-contact 3-body effective interaction. We show that this interaction is a good candidate to replace…

Nuclear Theory · Physics 2015-06-23 Denis Lacroix , Karim Bennaceur

We study effective three-particle interactions between valence electrons, which are induced by the core polarization. Such interactions are enhanced when valence orbitals have strong overlap with the outermost core shell, in particular for…

Atomic Physics · Physics 2016-09-28 M. G. Kozlov , M. S. Safronova , S. G. Porsev , I. I. Tupitsyn

We consider a Landau-de Gennes model for a connected cubic lattice scaffold in a nematic host, in a dilute regime. We analyse the homogenised limit for both cases in which the lattice of embedded particles presents or not cubic symmetry and…

Analysis of PDEs · Mathematics 2020-06-17 Razvan-Dumitru Ceuca
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