英国物理学会
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图书
作者:David S Bradshaw , Kayn A Forbes , David L Andrews
来源:[J].European Journal of Physics(IF 0.644), 2020, Vol.41 (2)IOP
摘要:In reporting and explaining the interactions of light with atoms and molecules, a photon-based description is not only appropriate but clearly essential when electronic or other kinds of quantum transition ensue. However, textbook treatments frequently go no further than the...
作者:Germano D’Abramo
来源:[J].European Journal of Physics(IF 0.644), 2020, Vol.41 (2)IOP
摘要:In the 1960s, E M Purcell presented a basic explanation of the magnetic force experienced by a test charge moving parallel to a stationary current-carrying wire. According to Purcell's derivation, this force results from the difference between the relativistic length contraction ...
作者:Long Lin , Jingtao Huang , Housheng Jia ...
来源:[J].Physica Scripta, 2020, Vol.95 (4)IOP
摘要:The electronic structure and magnetic properties of (Fe, Ni co-doped 4H-SiC-based dilute magnetic semiconductors were investigated by first-principles calculations. The (Fe, Ni co-doped 4H-SiC exist spin-polarization due to the introduction of dopant atoms, resulting in spli...
作者:Helma Sadat Bahari , Hadi Savaloni
来源:[J].EPL (Europhysics Letters(IF 2.26), 2020, Vol.129 (1)IOP
摘要:Copper substrates were coated with a 100 nm nickel thin film and post-annealed with a 300 sccm flow of nitrogen at different temperatures. The formation of nickel nitride is confirmed by x-ray diffraction analyses. Atomic force microscopy (AFM results showed morphological changes...
作者:Marwan Alquran , Imad Jaradat , Mohammed Ali ...
来源:[J].Physica Scripta, 2020, Vol.95 (4)IOP
摘要:In this paper, we introduce a new dual-mode Kawahara equation with new dissipative, nonlinearity and interaction phase velocity parameters. Also, we study the solutions of this model by using the tanh-scheme, Kudryashov-scheme and the sine–cosine function methods. Dynamics a...
作者:Erik van Sebille , Stefano Aliani , Kara Lavender Law ...
来源:[J].Environmental Research Letters(IF 3.582), 2020, Vol.15 (2)IOP
摘要:Marine plastic debris floating on the ocean surface is a major environmental problem. However, its distribution in the ocean is poorly mapped, and most of the plastic waste estimated to have entered the ocean from land is unaccounted for. Better understanding of how plastic debri...
作者:Xinfang Zhang , Baoquan Ou , Ting Chen ...
来源:[J].Physica Scripta, 2020, Vol.95 (4)IOP
摘要:Scaling up and effective cooling of ions in surface ion traps are central challenges in quantum computing and quantum simulation with trapped ions. In this theoretical study, we propose a versatile surface ion trap. In the manipulation zone of our trap, a symmetric seven-wir...
作者:Siqi Liu , Guoqiu Jiang , Junqing Li ...
来源:[J].European Journal of Physics(IF 0.644), 2020, Vol.41 (2)IOP
摘要:When putting a coin on the mouth of a frozen bottle, over time one will hear a sound and see movements of the coin. Different methods are utilized to observe this phenomenon and obtain experimental data. A theoretical model is established and the dependence of air pressure and th...
作者:M. Napiórkowski , L. Schimmele , S. Dietrich
来源:[J].EPL (Europhysics Letters(IF 2.26), 2020, Vol.129 (1)IOP
摘要:Within mean-field theory we study wetting of elastic substrates. Our analysis is based on a grand canonical free energy functional of the fluid number density and of the substrate displacement field. The substrate is described in terms of the linear theory of elasticity, par...

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