英国皇家物理学会期刊
期刊
会议
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作者:Johannes Richter , Oleg Derzhko
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:To illustrate a simple mean-field-like approach for examining quantum phase transitions we consider the quantum Heisenberg antiferromagnet on a square lattice. The exchange couplings J and are competing with each other. The ratio is the control parameter and its change drives t...
作者:B A Bezuglyi , N A Ivanova , L V Sizova
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:This review presents a new methodical approach to the classification of dimensionless numbers as pair relationships of the main forces controlling transport phenomena in fluids at the macroscopic level by using a tabulated form. To memorize the transfer numbers at the molecular l...
作者:Eduardo Piña
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:The integration of the differential equations of motion of the symmetric top, described by the Euler angles as coordinates, is revisited using Jacobi’s elliptic functions for the nutation angle and Jacobi’s theta functions for the rotation ψ and precession ϕ angles. The...
作者:S Petersen , P Wulff
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:Student competitions can act as potent enrichment measures and complement formal schooling in fostering students’ motivation as well as promoting their skills. This article presents the German Physics Olympiad, the national precursor to the International Physics Olympiad, in...
作者:M Plesch , F Eller , C Kanitz ...
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:The International Young Physicists’ Tournament (IYPT), is a competition for teams of secondary school students, often referred to as the Physics World Cup. This year the 29th IYPT took place in Russia with a new record of 29 competing teams from around the world. In this art...
作者:J Landgraf , C Kanitz
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:When a water drop falls on an oscillating soapy water surface it is observed that coalescence of the drop is inhibited because the drops are bouncing on the surface like on a trampoline. In our research we made experimental and theoretical investigations to an undeformable drop o...
作者:Barbara Rovšek
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:The Slovene Science competition for primary school students aged between 6 and 12 years will be explained briefly. The competition is based on experiments, which should be done well in advance either at school or at home. An example of the proposed experiment for 11 and 12 y...
作者:C O Wainmaier , R D Gianotti
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:The apparent length of a relativistically moving rod and visualization of the Einstein time dilation are studied. The description of events in space-time is given geometrically as viewed from two different inertial frames that are in relative motion with one another. These relati...
作者:F Cambronero-López , A I Gómez-Varela , C Bao-Varela
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:In this work we present a virtual simulator developed using the MATLAB GUIDE environment based on the numerical resolution of the nonlinear Schrödinger equation (NLS) and using the split step method for the study of the spatial–temporal propagation of nonlinear ultrashort la...
作者:Daniel Dziob , Urszula Górska , Tomasz Kołodziej
来源:[J].European Journal of Physics(IF 0.644), 2017, Vol.38 (3)IOP
摘要:The Chain Experiment is an annual competition which originated in Slovenia in 2005 and later expanded to Poland in 2013. For the purpose of the event, each participating team designs and builds a contraption that transports a small steel ball from one end to the other. At th...

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