1.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Colorado BoulderUS112 papers
- Colorado School of MinesUS59 papers
- King's College LondonGB30 papers
- Lawrence Berkeley National LaboratoryUS28 papers
- Fudan UniversityCN17 papers
- Radboud University NijmegenNL15 papers
- Stanford UniversityUS15 papers
- University of MinnesotaUS15 papers
- University of California, BerkeleyUS14 papers
- Colorado State UniversityUS13 papers
- North Carolina State UniversityUS12 papers
- Princeton UniversityUS12 papers
46 papers · 1 filter
Multiscale geometrical and topological learning in the analysis of soft matter collective dynamics
Tetiana Orlova, Amaranta Membrillo Solis, Hayley R. O. Sohn +5
Understanding the behavior and evolution of a dynamical many-body system by analyzing patterns in their experimentally captured images is a promising method relevant for a variety…
Hybridization of colloidal handlebodies with singular defects and topological solitons in chiral liquid crystals
Jun-Yong Lee, Asha Kumari, Ye Yuan +2
Topology can manifest itself in colloids when quantified by invariants like Euler characteristics of nonzero-genus colloidal surfaces, albeit spherical colloidal particles are most…
Chiral, Topological, and Knotted Colloids in Liquid Crystals
Ye Yuan, Ivan I. Smalyukh
The geometric shape, symmetry, and topology of colloidal particles often allow for controlling colloidal phase behavior and physical properties of these soft matter systems. In liq…
Unavoidable emergent biaxiality in chiral molecular-colloidal hybrid liquid crystals
Jin-Sheng Wu, Marina Torres Lazaro, Souvik Ghosh +3
Chiral nematic or cholesteric liquid crystals (LCs) are mesophases with long-ranged orientational order featuring a quasi-layered periodicity imparted by a helical configuration bu…
Sculpting liquid crystal skyrmions with external flows
Rodrigo C. V. Coelho, Hanqing Zhao, Mykola Tasinkevych +2
We investigate, using experiments and numerical simulations, the distortions and the alignment of skyrmions in the liquid crystal under external flows for a range of average flow v…
Transformation between elastic dipoles, quadrupoles, octupoles and hexadecapoles driven by surfactant self-assembly in nematic emulsion
Bohdan Senyuk, Ali Mozaffari, Kevin Crust +3
Emulsions comprising isotropic fluid drops within a nematic host are of interest for applications ranging from biodetection to smart windows, which rely on changes of molecular ali…
Review: Topology of solitons and singular defects in chiral liquid crystals
Jin-Sheng Wu, Ivan I. Smalyukh
Widely known for their uses in displays and electro-optics, liquid crystals are more than just technological marvels. They vividly reveal the topology and structure of various soli…
Geometric transformation and three-dimensional hopping of Hopf solitons
Jung-Shen B. Tai, Jin-Sheng Wu, Ivan I. Smalyukh
3D topological solitons are marvels of mathematical physics that arise in theoretical models in elementary particle and nuclear physics, condensed matter, and cosmology. A particul…
Nemato-elasticity of hybrid molecular-colloidal liquid crystals
B. Senyuk, H. Mundoor, I. I. Smalyukh +1
Colloidal rods immersed in a thermotropic liquid-crystalline solvent are at the basis of so-called hybrid liquid crystals which are characterized by tunable nematic fluidity with s…
Anisotropic electrostatic screening of charged colloids in nematic solvents
Jeffrey C. Everts, Bohdan Senyuk, Haridas Mundoor +2
The physical behaviour of anisotropic charged colloids is determined by their material dielectric anisotropy, affecting colloidal self-assembly, biological function and even out-of…
Self-assembled nematic colloidal motors powered by light
Ye Yuan, Ghaneema N. Abuhaimed, Qingkun Liu +1
Biological motors are marvels of nature that inspire creation of their synthetic counterparts with comparable nanoscale dimensions, high efficiency and diverse functions. Molecular…
Topological carnival: electrically-powered motions of toron crystallites in chiral liquid crystals
Hayley R. O. Sohn, Ivan I. Smalyukh
Malleability of metals is an example of how dynamics of defects like dislocations induced by external stresses alters material properties and enables technological applications. Ho…
Colloidal interactions and unusual crystallization versus de-mixing of elastic multipoles formed by gold mesoflowers
Ye Yuan, Mykola Tasinkevych, Ivan I. Smalyukh
Colloidal interactions in nematic liquid crystals can be described as interactions between elastic multipoles that depend on particle shape, topology, chirality, boundary condition…
Elastic colloidal monopoles and reconfigurable self-assembly in liquid crystals
Ye Yuan, Qingkun Liu, Bohdan Senyuk +1
Monopole-like electrostatic interactions are ubiquitous in biology and condensed matter, but they are often screened by counter-ions and cannot be switched from attractive to repul…
Three-dimensional crystals of adaptive knots
Jung-Shen B. Tai, Ivan I. Smalyukh
Starting from Gauss and Kelvin, knots in fields were postulated behaving like particles, but experimentally they were found only as transient features or required complex boundary…
Surface anchoring as a control parameter for stabilizing torons, skyrmions, twisted walls, fingers and their hybrids in chiral nematics
Jung-Shen B. Tai, Ivan I. Smalyukh
Chiral condensed matter systems, such as liquid crystals and magnets, exhibit a host of spatially localized topological structures that emerge from the medium's tendency to twist a…
Schools of skyrmions with electrically tunable elastic interactions
Hayley R. O. Sohn, Changda D. Liu, Ivan I. Smalyukh
Coexistence of order and fluidity in soft matter often mimics that in biology, allowing for complex dynamics and applications like displays. In active soft matter, emergent order c…
Unexpected water-hydroxide ion structure and diffusion behavior in low hydration media
Israel Zadok, Dario R Dekel, Simcha Srebnik
Hydroxide ion transport and structure in aqueous media is fundamental to many chemical and biological processes. Research on hydroxide behavior has primarily focused on a single fu…
Liquid crystalline cellulose-based nematogels
Qingkun Liu, Ivan I. Smalyukh
Physical properties of composite materials can be pre-engineered by controlling their structure and composition at the mesoscale. Yet, approaches for achieving this are limited and…
Chiral liquid crystal colloids
Ye Yuan, Angel Martinez, Bohdan Senyuk +2
Colloidal particles disturb the alignment of rod-like molecules of liquid crystals, giving rise to long-range interactions that minimize the free energy of distorted regions. Parti…
Repulsion-attraction switching of nematic colloids formed by liquid crystal dispersions of polygonal prisms
Bohdan Senyuk, Qingkun Liu, Philip D. Nystrom +1
Self-assembly of colloidal particles due to elastic interactions in nematic liquid crystals promises tunable composite materials and can be guided by exploiting surface functionali…
Liquid Crystal Colloids
Ivan I. Smalyukh
Colloids are abundant in nature, science and technology, with examples ranging from milk to quantum dots and the "colloidal atom" paradigm. Similarly, liquid crystal ordering is im…
Collective behavior of active topological solitons, knotted streamlines, and transport of cargo in liquid crystals
Hayley R. O. Sohn, Paul J. Ackerman, Timothy J. Boyle +3
Active colloids and liquid crystals are capable of locally converting the macroscopically-supplied energy into directional motion and promise a host of new applications, ranging fr…
Reversal of Helicoidal Twist Handedness Near Point Defects of Confined Chiral Liquid Crystals
P. J. Ackerman, I. I. Smalyukh
Handedness of the director twist in cholesteric liquid crystals is commonly assumed to be the same throughout the medium, determined solely by the chirality of constituent molecule…