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相关论文: Dressed Counterions: Strong Electrostatic Coupling…

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We investigate the ion distribution and overcharging at charged interfaces with dielectric inhomogeneities in the presence of asymmetric electrolytes containing polyvalent and monovalent ions. We formulate an effective "dressed counterion"…

软凝聚态物质 · 物理学 2015-03-17 Matej Kanduc , Ali Naji , Jan Forsman , Rudolf Podgornik

We probe the electrostatic mechanism driving adsorption of polyelectrolytes onto like-charged membranes upon the addition of tri- and tetravalent counterions to a bathing monovalent salt solution. We develop a one-loop-dressed strong…

软凝聚态物质 · 物理学 2019-10-02 Sahin Buyukdagli , Rudolf Podgornik

We present a theoretical description of the effect of polyvalent ions on the interaction between titratable macro-ions. The model system consists of two point-like macro-ions with dissociable sites, immersed in an asymmetric ionic mixture…

生物物理 · 物理学 2016-06-22 Natasa Adzic , Rudolf Podgornik

We compare weak and strong coupling theory of counterion-mediated electrostatic interactions between two asymmetrically charged plates with extensive Monte-Carlo simulations. Analytical results in both weak and strong coupling limits…

软凝聚态物质 · 物理学 2009-05-26 M. Kanduc , M. Trulsson , A. Naji , Y. Burak , J. Forsman , R. Podgornik

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…

软凝聚态物质 · 物理学 2020-10-01 Malihe Ghodrat , Ali Naji , Haniyeh Komaie-Moghaddam , Rudolf Podgornik

Electrostatic correlation effects in inhomogeneous symmetric electrolytes are investigated within a previously developed electrostatic self-consistent (SC) theory (R.R. Netz and H. Orland, Eur. Phys.J. E 11, 301 (2003)). To this aim, we…

软凝聚态物质 · 物理学 2015-06-05 Sahin Buyukdagli , Cristian Achim , Tapio Ala-Nissila

Counterion distribution around an isolated flexible polyelectrolyte in the presence of a divalent salt is evaluated using the adsorption model [M. Muthukumar, J. Chem. Phys. {\bf 120}, 9343 (2004)] that considers Bjerrum length, salt…

软凝聚态物质 · 物理学 2008-12-29 Arindam Kundagrami , M. Muthukumar

We compare the recent experimentally measured forces between charged colloidal particles, as well as their effective surface potentials (surface charge) in the presence of multivalent counterions in a bathing monovalent salt solution, with…

软凝聚态物质 · 物理学 2017-05-24 Matej Kanduč , Mohsen Moazzami Gudarzi , Valentina Valmacco , Rudolf Podgornik , Gregor Trefalt

In the present work, we have extended a weak coupling theory [A. Bakhshandeh, A. P. dos Santos and Y. Levin Phys. Rev. Lett 107, 107801 (2011)] for systems with added 1:1 electrolyte. To study the accuracy of the developed theory, we…

软凝聚态物质 · 物理学 2020-08-18 Amin Bakhshandeh

We study the effective interaction between differently charged polyelectrolyte-colloid complexes in electrolyte solutions via Monte Carlo simulations. These complexes are formed when short and flexible polyelectrolyte chains adsorb onto…

软凝聚态物质 · 物理学 2010-05-05 D. Truzzolillo , F. Bordi , F. Sciortino , S. Sennato

A theory is presented which allows us to accurately calculate the density profile of monovalent and multivalent counterions in suspensions of polarizable colloids or nano-particles. In the case of monovalent ions, we derive a weak-coupling…

软凝聚态物质 · 物理学 2011-09-23 Amin Bakhshandeh , Alexandre Pereira dos Santos , Yan Levin

The electrostatic Schwinger-Dyson equations are derived and solved for an electrolyte mixture composed of mono- and multivalent ions confined to a negatively charged nanoslit. The closure of these equations is based on an asymmetric…

软凝聚态物质 · 物理学 2020-01-06 Sahin Buyukdagli

We present an analytical approach to the strong coupling regime of similarly and highly charged plates in the presence of counter-ions. The procedure is physically transparent and based on an exact expansion around the ground state formed…

统计力学 · 物理学 2011-02-23 L. Samaj , E. Trizac

We study the distribution of multivalent counterions next to a dielectric slab, bearing a quenched, random distribution of charges on one of its solution interfaces, with a given mean and variance, both in the absence and in the presence of…

软凝聚态物质 · 物理学 2015-06-22 Ali Naji , Malihe Ghodrat , Haniyeh Komaie-Moghaddam , Rudolf Podgornik

Charged soft-matter systems--such as colloidal dispersions and charged polymers--are dominated by attractive forces between constituent like-charged particles when neutralizing counterions of high charge valency are introduced. Such…

软凝聚态物质 · 物理学 2009-11-11 Ali Naji , Swetlana Jungblut , Andre G. Moreira , Roland R. Netz

We study the ionic distribution near a charged surface. A new method for performing Monte Carlo simulations in this geometry is discussed. A theory is then presented that allows us to accurately reproduce the density profiles obtained in…

化学物理 · 物理学 2012-11-09 Alexandre P. dos Santos , Yan Levin

We study the interaction between two neutral plane-parallel dielectric bodies in the presence of a highly asymmetric ionic fluid, containing multivalent as well as monovalent (salt) ions. Image charge interactions, due to dielectric…

软凝聚态物质 · 物理学 2015-06-11 Matej Kanduc , Ali Naji , Jan Forsman , Rudolf Podgornik

We study the strong-coupling (SC) interaction between two like-charged membranes of finite thickness embedded in a medium of higher dielectric constant. A generalized SC theory is applied along with extensive Monte-Carlo simulations to…

软凝聚态物质 · 物理学 2009-05-26 Y. S. Jho , M. Kanduc , A. Naji , R. Podgornik , M. W. Kim , P. A. Pincus

Strong coupling phenomena, such as the like charged macroions attraction, opposite charged macroions repulsion, charge renormalization or charge inversion, are known to be mediated by multivalent counterions. Most theories treat the…

软凝聚态物质 · 物理学 2016-02-03 Sandipan Dutta , Y. S. Jho

By a combination of Monte Carlo simulations and analytical calculations, we investigate the effective interactions between highly charged planar interfaces, neutralized by mobile counterions (salt-free system). While most previous analysis…

软凝聚态物质 · 物理学 2020-11-20 Ladislav Samaj , Martin Trulsson , Emmanuel Trizac
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