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An intense circularely polarised photon beam interacts with a cooled antiproton beam in a storage ring. Due to spin dependent absorption cross sections for the reaction gamma+antiproton > pi- + antineutron a built-up of polarisation of the…

Accelerator Physics · Physics 2010-01-07 Berthold Schoch

We present the experimental results on a series of high molecular weight, entangled polystyrene solutions subjected to a ``mixed'' shear and elongational flow-type generated in a co-rotating two-roll mill. For steady-flows as well as for…

Soft Condensed Matter · Physics 2007-05-23 Subrata Sanyal , Dmitry Yavich , L. Gary Leal

A new dual plasma coating process to produce platinum-free catalysts for the oxygen reduction reaction in a fuel cell is introduced. The catalysts thus produced were analysed with various methods. Electrochemical characterisation was…

Given that the physical properties of polymeric liquids extend on a wide range of lengthscales, it is computationally convenient to represent them by coarse-grained (CG) descriptions at various granularities to investigate local and global…

Soft Condensed Matter · Physics 2019-06-06 Mohammadhasan Dinpajooh , Marina G. Guenza

Some recent results on the rotational dynamics of polymers are reviewed and extended. We focus here on the relaxation of a polymer, either flexible or semiflexible, initially wrapped around a rigid rod. We also study the steady polymer…

Statistical Mechanics · Physics 2015-06-22 Jean-Charles Walter , Michiel Laleman , Marco Baiesi , Enrico Carlon

A number of promising results of a new 3+1 dimensional Monte Carlo parton cascade including inelastic multiplication processes (gg <--> ggg) are elaborated: (1) thermalization and chemical saturation; (2) the onset of longitudinal…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Greiner , Z. Xu

We solve numerically a kinetic model of chiral polymerization in systems closed to matter and energy flow, paying special emphasis to its ability to amplify the small initial enantiomeric excesses due to the internal and unavoidable…

Quantitative Methods · Quantitative Biology 2017-03-15 Celia Blanco , David Hochberg

Limited-valency colloidal particles can self-assemble into polymeric structures analogous to molecules. While their structural equilibrium properties have attracted wide attention, insight into their dynamics has proven challenging. Here,…

Soft Condensed Matter · Physics 2021-09-08 Simon Stuij , Joep Rouwhorst , Hannah Jonas , Nicola Ruffino , Zhe Gong , Stefanno Sacanna , Peter Bolhuis , Peter Schall

Crystal structure prediction methods and first-principles calculations have been used to explore low-energy structures of carbon monoxide (CO). Contrary to the standard wisdom, the most stable structure of CO at ambient pressure was found…

Materials Science · Physics 2017-04-06 Kang Xia , Jian Sun , Chris J. Pickard , Dennis D. Klug , Richard J. Needs

We propose a theory based on non-equilibrium thermodynamics to describe the mechanical behavior of an active polymer gel created by the inclusion of molecular motors in its solvent. When activated, these motors attach to the chains of the…

Soft Condensed Matter · Physics 2019-05-31 Mattia Bacca , Omar A. Saleh , Robert M. McMeeking

We present a statistical model of a dilute polymer solution in good solvent in the presence of low-molecular weight cosolvent. We investigate the conformational changes of the polymer induced by a change of the cosolvent concentration and…

Statistical Mechanics · Physics 2014-11-10 Yu. A. Budkov , A. L. Kolesnikov , N. Georgi , M. G. Kiselev

In this paper, we present a molecular theory analysis of ions and potential distribution, degree of ionization of polyelectrolyte (PE) brushes, velocity profile, volumetric flow rate, ionic selectivity, ionic conduction and advection by…

Soft Condensed Matter · Physics 2020-07-01 Milad Reshadi , Mohammad Hassan Saidi

The generalized entropy theory (GET) offers many insights into how molecular parameters influence polymer glass-formation. Given the fact that chain rigidity often plays a critical role in understanding the glass-formation of polymer…

Soft Condensed Matter · Physics 2017-01-04 Wen-Sheng Xu , Jack F. Douglas , Karl F. Freed

Accumulation of plastic waste is a major environmental problem. Enzymes, particularly esterases, play an important role in the biodegradation of polyesters. These enzymes are usually only active on aliphatic polyesters, but a few have…

Biomolecules · Quantitative Biology 2019-04-01 Beatriz C. Almeida , Pedro Figueiredo , Alexandra T. P. Carvalho

The thermosensitive behavior of microgel particles suspended in solvents, i.e. their temperature-dependent swelling properties, has triggered ongoing interest in industry and academia over the past forty years. The most-studied polymer is…

Soft Condensed Matter · Physics 2026-04-23 Domenico Truzzolillo , Thomas Hellweg , Julian Oberdisse

Charged cyclic polymers, e.g. cyclic DNAs and polypeptides, play enabling roles in organisms, but their synthesis was challenging due to the well known polyelectrolyte effect. To tackle the challenge, we developed a templated method to…

Soft Condensed Matter · Physics 2019-04-26 Qingquan Tang , Weiyi Zhang , Jiayin Yuan , Qiang Zhao

In this review, latest updates in the poly (ethylene oxide) based electrolytes are summarized. The ultimate goal of researchers globally is towards the development of free standing solid polymeric separator for energy storage devices. This…

Applied Physics · Physics 2018-08-14 Anil Arya , A L Sharma

Frontal polymerization is a promising energy-saving method for rapid fabrication of polymer components with good mechanical properties. In these systems, a small energy input is sufficient to convert monomers, from a liquid or soft solid…

Soft Condensed Matter · Physics 2023-10-04 Xuanhe Li , Tal Cohen

Glass transition temperature ($T_{\text{g}}$) plays an important role in controlling the mechanical and thermal properties of a polymer. Polyimides are an important category of polymers with wide applications because of their superior heat…

Computational Physics · Physics 2020-06-16 Chengyuan Wen , Binghan Liu , Josh Wolfgang , Timothy E. Long , Roy Odle , Shengfeng Cheng

Lytic polysaccharide monooxygenase (LPMO) enzymes have attracted considerable attention due to their ability to enhance polysaccharide depolymerization, making them interesting in respect to production of biofuel from cellulose. The LPMOs…

Chemical Physics · Physics 2017-02-08 Erik D. Hedegård , Ulf Ryde