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We used the Density Functional formalism, in particular the Scaled Particle Theory, applied to a length-polydisperse hard-rectangular fluid to study its phase behavior as a function of the mean particle aspect ratio ($\kappa_0$) and…

软凝聚态物质 · 物理学 2017-05-23 Ariel Diaz-De Armas , Yuri Martinez-Raton

In Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV, we report on a geometrical scaling in the transverse momentum ($p_{\rm T}$) spectra of inclusive charged hadrons at 0-5$\%$, 5-10$\%$, 10-20$\%$, 20-30$\%$, 30-40$\%$, 40-50$\%$,…

核理论 · 物理学 2016-05-13 W. C. Zhang

We explore the shape and internal structure of diblock copolymer (di-BCP) nanoparticles (NPs) by using the Ginzburg-Landau free-energy expansion. The self-assembly of di-BCP lamellae confined in emulsion droplets can form either ellipsoidal…

软凝聚态物质 · 物理学 2022-05-16 Yanyan Zhu , Bin Zheng , David Andelman , Xingkun Man

Large scale molecular dynamics simulations for bidisperse nanoparticle suspensions with an explicit solvent are used to investigate the effects of evaporation rates and volume fractions on the nanoparticle distribution during drying. Our…

软凝聚态物质 · 物理学 2018-06-20 Yanfei Tang , Gary S. Grest , Shengfeng Cheng

Tunable nanopores in elastomeric membranes have been used to study the dependence of ionic current blockade rate on the concentration and electrophoretic mobility of particles in aqueous suspensions. A range of nanoparticle sizes, materials…

软凝聚态物质 · 物理学 2010-05-25 G R Willmott , R Vogel , S S C Yu , L G Groenewegen , G S Roberts , D Kozak , W Anderson , M Trau

The leading correction to scaling associated with departures of the initial condition from the scaling morphology is determined for some soluble models of phase-ordering kinetics. The result for the pair correlation function has the form…

统计力学 · 物理学 2009-10-30 A. J. Bray , P. N. Rapapa , S. J. Cornell

We demonstrate that a simple model for pulsed laser deposition exhibits an unusual type of scaling behavior for the island density in the submonolayer regime. This quantity is studied as function of pulse intensity and deposition time. We…

统计力学 · 物理学 2009-11-07 Berit Hinnemann , Haye Hinrichsen , Dietrich E. Wolf

For advanced applications in modern industry it is very important to reduce the volume of ferroelectric nanoparticles without serious deterioration of their polar properties. In many practically important cases fixed volume (rather than…

To study the kinetics of phase separation in active matter systems, we consider models that impose a Vicsek-type self-propulsion rule on otherwise passive particles interacting via the Lennard-Jones potential. Two types of kinetics are of…

统计力学 · 物理学 2023-10-31 Tanay Paul , Nalina Vadakkayil , Subir K. Das

We performed a series of simulations for a linear polymer chain in a solvent using dissipative particle dynamics to check the scaling relations for the end-to-end distance, radius of gyration and hydrodynamic radius in three dimensions. The…

软凝聚态物质 · 物理学 2009-04-03 J. M. Ilnytskyi , Yu. Holovatch

Finite-size scaling analysis is a well-accepted method for identification and characterization of quantum phase transitions (QPTs) in superconducting, magnetic and insulating systems. We formally apply this analysis in the form suitable for…

超导电性 · 物理学 2020-07-01 Andrey Rogachev , Benjamin Sacépé

The steady state of ions diffusion in polymer electrolytes at arbitrary applied voltage is analyzed in the framework of the Nernst-Planck-Poisson equation (NPP). The exact solution of the set of equations is found without the assumption of…

软凝聚态物质 · 物理学 2008-06-10 Anatoly Golovnev , Steffen Trimper

It is well-known that the swelling behavior of ionic nanogels depends on their cross-link density, however it is unclear how different topologies should affect the response of the polyelectrolyte network. Here we perform Monte Carlo…

软凝聚态物质 · 物理学 2016-03-23 Leandro G. Rizzi , Yan Levin

Liquids displaying strong virial-potential energy correlations conform to an approximate density scaling of their structural and dynamical observables. This scaling property does not extend to the entire phase diagram, in general. The…

软凝聚态物质 · 物理学 2020-12-23 Thibaud Maimbourg , Jeppe C. Dyre , Lorenzo Costigliola

We study a model nanopore sensor with which a very low concentration of analyte molecules can be detected on the basis of the selective binding of the analyte molecules to the binding sites on the pore wall. The bound analyte ions partially…

应用物理 · 物理学 2018-01-17 Eszter Mádai , Mónika Valiskó , András Dallos , Dezső Boda

The transition from globular to elongated states of biopolymers in shear flow occurs at a distinct critical shear rate, $\dot{\gamma }^{*}$. The magnitude of $\dot{\gamma }^{*}$ depends on the internal potential and the polymer length. For…

计算物理 · 物理学 2018-06-19 Yuanzheng Zhu , Zixiang Liu , Michael T. Griffin , David N. Ku , Cyrus K. Aidun

Using a numerical decimation method, we compute the localisation length $\lambda_{2}$ for two onsite interacting particles (TIP) in a one-dimensional random potential. We show that an interaction $U>0$ does lead to $\lambda_2(U) >…

强关联电子 · 物理学 2015-06-25 Rudolf A. Roemer , Mark Leadbeater , Michael Schreiber

Effects of medium polarization are studied for $^1S_0$ pairing in neutron and nuclear matter. The screening potential is calculated in the RPA limit, suitably renormalized to cure the low density mechanical instability of nuclear matter.…

核理论 · 物理学 2009-11-11 L. G. Cao , U. Lombardo , P. Schuck

Investigating the correlations between dynamic and static storage properties of nanoporous electrodes is beneficial for further progress of supercapacitors-based technologies. While the dependence of the capacitance on the pores' sizes is…

统计力学 · 物理学 2021-05-21 Timur Aslyamov , Konstantin Sinkov , Iskander Akhatov

We discuss a few possible strategies for measuring the polarization of the $\Lambda_{\mathrm{b}}$ baryons produced in $e^+e^-$-annihilation at the $\mathrm{Z}$ resonance through their inclusive semileptonic decays. After reviewing the…

高能物理 - 唯象学 · 物理学 2009-10-28 C. Diaconu , J. G. Körner , D. Pirjol , M. Talby