The European Physical Journal B

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Structural evidence of charge renormalization in semi-dilute solutions of highly charged polyelectrolytes
The European Physical Journal B - - 1999
W. Essafi, F. Lafuma, C.E. Williams
We show experimentally that Manning counterion condensation also leads to a renormalization of the charge density at high concentrations of highly charged, flexible, hydrophilic polyelectrolytes. Investigations by small angle neutron and X-ray scattering of semi-dilute solutions of poly(acrylamide-co-sodium-2-acrylamido-2-methylpropane sulfonate) at different charge densities above the condensatio...... hiện toàn bộ
Navier-Stokes-like equations applicable to adaptive cruise control traffic flows
The European Physical Journal B - Tập 61 - Trang 363-370 - 2008
Y. G. Liu, Z. S. You, J. L. Zhou
Under the scenario in which, within a traffic flow, each vehicle is controlled by adaptive cruise control (ACC), and the macroscopic one-vehicle probability distribution function fits the Paveri-Fontana hypothesis, a set of reduced Paveri-Fontana equations considering the ACC effect is derived. With the set, by maximizing the specially defined informational entropy deviating from a certain referen...... hiện toàn bộ
Low-energy electron transmission in a partially unzipped zigzag nanotube
The European Physical Journal B - Tập 77 - Trang 433-440 - 2010
Yu. O. Klymenko
Based on the nearest-neighbor tight-binding approximation, we present exact analytical expressions for electron transmission in nanotube/ribbon junctions, generated by incomplete unzipping of zigzag nanotubes. By assuming one-dimer-line difference in the widths of the leads, it is demonstrated that such a contact exhibits zero backscattering of low-energy electrons entering from the graphene side...... hiện toàn bộ
Static conduction mechanisms in Co2+ and Ti4+ substituted M-type SrCox Tix Fe(12-2x) O19 ferrite
The European Physical Journal B - Tập 88 Số 12 - 2015
Vikas Bhikhan, Charanjeet Singh, Rupinder Kaur, Maciej Jaroszewski, Sukhleen Bindra Narang
Magnetic properties of dc magnetron sputtered and evaporated amorphous films
The European Physical Journal B - - 2002
H. Kockar, T. Meydan
Compositions of Fe81B13.5Si3.5C2, Fe67Co18Si1B14 and Fe5.85Co72.15Mo2B15Si5 were deposited on to rigid and flexible substrates for the first time using a dc sputtering source as part of a novel Rotating Cryostat (RC). The films sputtered on silicon and glass show only isotropic magnetisation, whereas those sputtered on a polyimide (KaptonTM) substrate exhibited either isotropic or anisotropic magn...... hiện toàn bộ
Quench dynamics and defects formation in the Ising chain in a transverse magnetic field
The European Physical Journal B - Tập 95 - Trang 1-13 - 2022
Alexander I. Nesterov, Mónica F. Ramírez, Sergey G. Ovchinnikov
We study quench dynamics and defects formation in the one-dimensional quantum Ising chain in a time-dependent transverse magnetic field, given by a semi-infinite pulse and as the pulse of the finite width. The system’s final state depends on the quench time and pulse amplitude, resulting in the emergence of topological defects, and consists of a mixture of ground and excited states. We obtain a ne...... hiện toàn bộ
Tunneling time in magnetic barrier structures
The European Physical Journal B - Tập 29 - Trang 147-152 - 2002
Feng Zhai, Yong Guo, Bing-Lin Gu
We adopt the group velocity approach to the issue of tunneling time in two configurations of magnetic barrier structures, which are arranged with identical or unidentical building blocks. The effects of an external electric field are also taken into account. The tunneling time in magnetic barrier structures is found to be strongly dependent on the magnetic configuration, the applied bias, the inci...... hiện toàn bộ
Ordering phase transition in the one-dimensional Axelrod model
The European Physical Journal B - Tập 30 - Trang 399-406 - 2002
D. Vilone, A. Vespignani, C. Castellano
We study the one-dimensional behavior of a cellular automaton aimed at the description of the formation and evolution of cultural domains. The model exhibits a non-equilibrium transition between a phase with all the system sharing the same culture and a disordered phase of coexisting regions with different cultural features. Depending on the initial distribution of the disorder the transition occu...... hiện toàn bộ
Scaling approach to the theory of frequency dependent hopping conductivity of disordered systems
The European Physical Journal B - Tập 26 Số 1 - Trang 11-18 - 1977
N. Grewe
Limits of structure stability of simple liquids revealed by study of relative fluctuations
The European Physical Journal B - Tập 86 - Trang 1-5 - 2013
A. L. Goncharov, V. V. Melent’ev, E. B. Postnikov
We analyse the inverse reduced fluctuations (inverse ratio of relative volume fluctuation to its value in the hypothetical case where the substance acts as an ideal gas for the same temperature-volume parameters) for simple liquids from experimental acoustic and thermophysical data along a coexistence line for both liquid and vapour phases. It has been determined that this quantity has a universal...... hiện toàn bộ
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