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We present and implement a new scheme for extended multi-channel selective femtosecond coherent control based on symmetry properties of the excitation channels. Here, an atomic non-resonant two-photon absorption channel is coherently…

原子物理 · 物理学 2008-05-17 Andrey Gandman , Lev Chuntonov , Leonid Rybak , Zohar Amitay

We consider the absorption of microwaves by a quantum Hall droplet. We show that the number and velocities of charged edge modes can be directly measured from a droplet of known shape. In contrast to standard transport measurements,…

强关联电子 · 物理学 2013-10-30 Jennifer Cano , Andrew C. Doherty , Chetan Nayak , David J. Reilly

We revisit the theory of ion transport in parallel-plate channels and also discuss how the wettability of a solid and the mobility of adsorbed surface charges impact the transport of ions. It is shown that depending on the ratio of the…

软凝聚态物质 · 物理学 2021-09-29 Olga I. Vinogradova , Elena F. Silkina , Evgeny S. Asmolov

We study the depletion-induced self-assembly of indented colloids. Using state-of-the-art Monte Carlo simulation techniques that treat the depletant particles explicitly, we demonstrate that colloids assemble by a lock-and-key mechanism,…

软凝聚态物质 · 物理学 2014-01-13 Douglas J. Ashton , Robert L. Jack , Nigel B. Wilding

Counterion adsorption on a flexible polyelectrolyte chain in a spherical cavity is considered by taking a "permuted" charge distribution on the chain so that the "adsorbed" counterions are allowed to move along the backbone. We compute the…

软凝聚态物质 · 物理学 2009-03-27 Rajeev Kumar , Arindam Kundagrami , M. Muthukumar

Patchy colloids are promising candidates for building blocks in directed self-assembly. To be successful the surface patterns need to both be simple enough to be synthesized, while feature-rich enough to cause the colloids to self-assemble…

软凝聚态物质 · 物理学 2014-05-13 Erik Edlund , Oskar Lindgren , Martin Nilsson Jacobi

We develop a thermodynamic description of accumulation-layer heterostructures in which the induced sheet density is partitioned between the near-interface accumulation-layer charge and a complementary screening charge in the surrounding…

介观与纳米尺度物理 · 物理学 2026-05-04 Elmar Böckenhoff

The adsorption of an ideal heteropolymer loop at a potential point well is investigated within the frameworks of a standard random matrix theory. On the basis of semi-analytical/semi-numerical approach the histogram of transition points for…

无序系统与神经网络 · 物理学 2009-10-31 A. Naidenov , S. Nechaev

The emergence of nonequilibrium phenomena in individual complex wave systems has long been of fundamental interests. Its analytic studies remain notoriously difficult. Using the mathematical tool of the concentration of measure (CM), we…

统计力学 · 物理学 2018-11-14 Ping Fang , Liyi Zhao , Chushun Tian

The structural and thermodynamic properties of mixtures of colloidal spheres and non-adsorbing polymer chains are studied within a novel general two-component macromolecular liquid state approach applicable for all size asymmetry ratios.…

软凝聚态物质 · 物理学 2009-11-07 M. Fuchs , K. S. Schweizer

A mixture of solvent particles with short-range, directional interactions and solute particles with short-range, isotropic interactions that can bond multiple times is of fundamental interest in understanding liquids and colloidal mixtures.…

软凝聚态物质 · 物理学 2016-09-21 Artee Bansal , D. Asthagiri , Kenneth R. Cox , Walter G. Chapman

The unique ability of chaotic advection under micro-scale confinement to direct chemical processes along accelerated kinetic pathways has long been recognized. But practical applications have been slow to emerge because optimal results are…

流体动力学 · 物理学 2016-06-03 Aashish Priye , Victor Ugaz

Several recent imaging experiments access the equilibrium density profiles of interacting particles confined to a two-dimensional substrate. When these particles are in a fluid phase, we show that such data yields precise information…

无序系统与神经网络 · 物理学 2016-08-31 Ankush Sengupta , Surajit Sengupta , Gautam I. Menon

We study how adsorption of a near-critical binary mixture in a nanopore is modified by flow inside the pore. We identify three types of steady states upon variation of the pore P\'{e}clet number (${\rm Pe}_p$), which can be reversibly…

软凝聚态物质 · 物理学 2017-01-11 Sela Samin , René van Roij

Because of consuming energy to drive their motion, systems of active colloids are intrinsically out of equilibrium. In the past decade, a variety of intriguing dynamic patterns have been observed in systems of active colloids, and they…

软凝聚态物质 · 物理学 2020-04-16 Zhan Ma , Mingcheng Yang , Ran Ni

We introduce a theoretical and numerical method to investigate the flow of charged fluid mixtures under extreme confinement. We model the electrolyte solution as a ternary mixture, comprising two ionic species of opposite charge and a third…

介观与纳米尺度物理 · 物理学 2012-09-13 Umberto Marini Bettolo Marconi , Simone Melchionna

We report theoretical and numerical evaluations of the phase diagram for patchy colloidal particles of new generation. We show that the reduction of the number of bonded nearest neighbours offers the possibility of generating liquid states…

软凝聚态物质 · 物理学 2009-11-11 Emanuela Bianchi , Julio Largo , Piero Tartaglia , Emanuela Zaccarelli , Francesco Sciortino

A coarse-grained computational model is used to investigate the effect of a fluid membrane on patchy-particle assembly into biologically-relevant structures motivated by viral cores and clathrin. For cores, we demonstrate a non-monotonic…

软凝聚态物质 · 物理学 2012-11-09 Richard Matthews , Christos N. Likos

The multiphase flow of droplets is widespread, both at the industrial and the microscale, for both biological and non-biological applications alike. But the ensemble interactions of such systems are inherently nonlinear and complex,…

流体动力学 · 物理学 2022-02-25 Wenyang Jing , Hee-Sun Han

Concentrated solutions of monoclonal antibodies have attracted considerable attention due to their importance in pharmaceutical formulations, yet their tendency to aggregate and the resulting high solution viscosity has posed considerable…