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The present work refers to a simulation study on nanoconfined polymers in polymer-MoS 2 nanocomposites as a function of MoS 2 -MoS 2 interlayer separation. We indeed apply reverse nonequlibrium molecular dynamics simulations (RNEMD) to…

Soft Condensed Matter · Physics 2021-08-10 Mohammad Reza Gharib-Zahedi , Amin Koochaki , Mohammad Alaghemandi

The coupled dynamics of entangled polymers which span a broad time and length scales govern the unique viscoelastic properties of polymers. To follow chain mobility by numerical simulations from the intermediate Rouse and reptation regimes…

Soft Condensed Matter · Physics 2016-11-03 Gary S. Grest

We present the results of high-resolution AP3M+SPH simulations of merging clusters of galaxies. We find that the compression and shocking of the core gas during a merger can lead to large increases in bolometric X-ray luminosities and…

Astrophysics · Physics 2009-11-06 Benedict W. Ritchie , Peter A. Thomas

We analyze coherence effects during the splitting of a quasi one-dimensional condensate into two spatially separated ones and their subsequent merging into a single condensate. Our analysis takes into account finite-temperature effects,…

Other Condensed Matter · Physics 2007-05-23 A. Mebrahtu , A. Sanpera , M. Lewenstein

Polymer systems in slab geometries are studied on the basis of the recently presented Gaussian Ellipsoid Model [J. Chem. Phys. 114, 7655 (2001)].The potential of the confining walls has an exponential shape. For homogeneous systems in…

Soft Condensed Matter · Physics 2009-11-07 F. Eurich , P. Maass , J. Baschnagel

We use analytical calculations and event-driven molecular dynamics simulations to study a small number of hard sphere particles in a spherical cavity. The cavity is taken also as the thermal bath so that the system thermalizes by collisions…

Soft Condensed Matter · Physics 2014-09-30 Ignacio Urrutia , Claudio Pastorino

Using Monte Carlo simulations, we study the assembly of colloidal particles interacting via isotropic core-corona potentials in two dimensions and confined in a circular box. We explore the structural variety at low temperatures as function…

Soft Condensed Matter · Physics 2020-01-08 Erik R. Fonseca , Carlos I. Mendoza

We use a phase-field model to study the effect of confinement on dendritic growth, in a pure material solidifying in an undercooled melt, and in the directional solidification of a dilute binary alloy. Specifically, we observe the effect of…

Materials Science · Physics 2007-05-23 Badrinarayan P. Athreya , Jonathan A. Dantzig , Shan Liu , Rohit Trivedi

At low temperatures, colloidal particles with short-range attractive and long-range repulsive interactions can form various periodic microphases in bulk.In this paper, we investigate the self-assembly behaviour of colloids with competing…

Soft Condensed Matter · Physics 2023-12-12 Ningyi Li , Junhong Li , Lijingting Qing , Shicheng Ma , Yao Li , Baohui Li

We study the quantum corrections to the polarizability of isolated metallic mesoscopic systems using the loop-expansion in diffusive propagators. We show that the difference between connected (grand-canonical ensemble) and isolated…

Mesoscale and Nanoscale Physics · Physics 2013-07-29 M. Treiber , P. M. Ostrovsky , O. M. Yevtushenko , J. von Delft , I. V. Lerner

We study a system of few colloids confined in a small spherical cavity by event driven molecular dynamics simulations in the canonical ensemble. The colloidal particles interact through a short range square-well potential, which takes into…

Soft Condensed Matter · Physics 2015-04-10 Iván Paganini , Claudio Pastorino , Ignacio Urrutia

Thermoreversible sol-gel transitions in solutions of rod-like associating polymers are analyzed by computer simulations and by mean field models. The sol-gel transition is determined by the divergence of the cluster weight average. The…

Condensed Matter · Physics 2015-06-24 Min Sun Yeom , Alexander V. Ermoshkin , Monica Olvera de la Cruz

The study of the competition or coexistence of different ground states in many-body systems is an exciting and actual topic of research, both experimentally and theoretically. Quantum fluctuations of a given phase can suppress or enhance…

Strongly Correlated Electrons · Physics 2020-06-11 Nei Lopes , Daniel G. Barci , Mucio A. Continentino

Using molecular dynamic simulations we study a waterlike model confined between two fixed hydrophobic plates. The system is tested for density, diffusion and structural anomalous behavior and compared with the bulk results. Within the range…

Chemical Physics · Physics 2013-03-06 Leandro Batirolla Krott , Marcia Cristina Bernardes Barbosa

An extended polymer collapses to form a globule when subjected to a quench below the collapse transition temperature. The process begins with the formation of clusters of monomers or ``pearls''. The nascent clusters merge, resulting in…

Soft Condensed Matter · Physics 2026-03-12 Suman Majumder , Saikat Chakraborty

It has been proposed that the superconducting transition temperature $T_{\mathrm{c}}$ of an unconventional superconductor with a large pairing scale but strong phase fluctuations can be enhanced by coupling it to a metal. However, the…

Superconductivity · Physics 2022-12-05 Philip M. Dee , Steven Johnston , Thomas Maier

Polymer-grafted nanoparticles (PGNPs) can provide property profiles than cannot be obtained individually by polymers or nanoparticles (NPs). Here, we have studied the mixing--demixing transition of symmetric copolymer melts of…

Soft Condensed Matter · Physics 2020-01-23 Peter Yatsyshin , Nikolaos G. Fytas , Panagiotis E. Theodorakis

The paper presents a short overview of the theoretical, numerical and experimental works on the critical behavior of a dilute polymer solution of long-flexible polymer chains confined in semi-infinite space restricted by a surface or in a…

Soft Condensed Matter · Physics 2018-01-08 Zoryana Usatenko , Krzysztof S. Danel

We present a spherically symmetric model for the origin and evolution of the temperature profiles in the hot plasma filling galaxy groups and clusters. We find that the gas in clusters is generically not isothermal, and that the temperature…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Michael McCourt , Eliot Quataert , Ian J. Parrish

The glass transition temperature $T_g$ and the temperature $T_{\alpha}$ corresponding to the peak in the dielectric loss due to the $\alpha$-process have been simultaneously determined as functions of film thickness $d$ through dielectric…

Soft Condensed Matter · Physics 2009-10-31 Koji Fukao , Yoshihisa Miyamoto