理学

作品数:1521915被引量:1402528H指数:147
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相关机构:中国科学院吉林大学浙江大学清华大学更多>>
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Aerodynamic actuation characteristics of radio-frequency discharge plasma and control of supersonic flow
《中国物理B:英文版》2019年第2期321-330,共10页杨臻 宋慧敏 王宏宇 郭善广 贾敏 王康 
the National Natural Science Foundation of China(Grant Nos.11472306,51407197,and 51507187).
In this paper, aerodynamic actuation characteristics of radio-frequency(RF) discharge plasma are studied and a method is proposed for shock wave control based on RF discharge. Under the static condition, a RF diffuse ...
关键词:radio-frequency(RF) DISCHARGE PLASMA surface DISCHARGE FLOW control aerodynamic ACTUATION 
Hydrodynamic binary coalescence of droplets under air flow in a hydrophobic microchannel
《中国物理B:英文版》2019年第2期331-340,共10页王超 沈超群 吴苏晨 刘向东 汤方平 
the National Natural Science Foundation of China(Grant Nos.51876184,51706193,and 51776037);the National Natural Science Foundation of China–NSAF(Grant No.U1530260);the China Postdoctoral Science Foundation(Grant No.2017M621835);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(Grant No.17KJB470014);Jiangsu Planned Projects for Postdoctoral Research Funds,China(Grant No.1701188B).
Based on the volume of fluid(VOF) method, we conduct a numerical simulation to study the hydrodynamic binary coalescence of droplets under air flow in a hydrophobic rectangular microchannel. Two distinct regimes, coal...
关键词:DROPLET COALESCENCE SLIDING DETACHMENT MICROCHANNEL 
Numerical simulation on modulational instability of ion-acoustic waves in plasma
《中国物理B:英文版》2019年第2期341-345,共5页马艺荣 李烈娟 段文山 
the National Natural Science Foundation of China(Grant No.11675014).
In this paper, the one-dimensional(1D) particle-in-cell(PIC) simulation is used to study the modulation instability of ion acoustic waves in electron–ion plasmas. The ion acoustic wave is described by using a nonline...
关键词:modulational INSTABILITY PARTICLE-IN-CELL simulation the REDUCTIVE PERTURBATION method 
Effects of secondary electron emission on plasma characteristics in dual-frequency atmospheric pressure helium discharge by fluid modeling
《中国物理B:英文版》2019年第2期346-351,共6页王一男 李帅星 刘悦 王莉 
the National Natural Science Foundation of China(Grant No.11505089).
A one-dimensional(1D) fluid simulation of dual frequency discharge in helium gas at atmospheric pressure is carried out to investigate the role of the secondary electron emission on the surfaces of the electrodes. In ...
关键词:dual frequency SECONDARY electron emission ATMOSPHERIC pressure DISCHARGE 
Angle-resolved spectra of the direct above-threshold ionization of diatomic molecule in IR + XUV laser fields
《中国物理B:英文版》2019年第2期185-191,共7页石尚 金发成 王兵兵 
the National Natural Science Foundation of China(Grant Nos.11334009,11425414,11474348,and 11774411).
The direct above-threshold ionization(ATI) of diatomic molecules in linearly-polarized infrared and extreme ultraviolet(IR+XUV) laser fields is investigated by the frequency–domain theory based on the nonperturbative...
关键词:ABOVE-THRESHOLD IONIZATION IR+XUV laser FIELDS molecular structure 
Nonlinear behavior of the population dynamics of three-level systems in the presence of single photon absorption
《中国物理B:英文版》2019年第2期272-276,共5页Allam Srinivasa Rao 
We numerically investigate the population dynamics in a single photon resonant three-level cascade and non-cascade energy level molecules at 532-nm wavelength. The time-dependent population in the energy levels in the...
关键词:nano-second LASER pico-second LASER nonlinear ABSORPTION Z-SCAN 
High-gain and low-distortion Brillouin amplification based on pump multi-frequency intensity modulation
《中国物理B:英文版》2019年第2期277-282,共6页盛立文 巴德欣 吕志伟 
the National Natural Science Foundation of China(Grant No.61605034).
Using a pump with a multi-line spectrum to broaden the Brillouin gain bandwidth is an effective way to achieve lowdistortion amplification with high gain. Here, we theoretically and experimentally investigate the gene...
关键词:BRILLOUIN gain spectrum bandwidth intensity modulation LOW DISTORTION AMPLIFICATION 
Influence of low-temperature sulfidation on the structure of ZnS thin films
《中国物理B:英文版》2019年第2期288-293,共6页陈书真 宋力刚 张鹏 曹兴忠 于润升 王宝义 魏龙 张仁刚 
the National Natural Science Foundation of China(Grant Nos.11705212 and 11675188).
ZnS thin films were prepared by sulfuring zinc thin films at different sulfuration temperatures. The crystal structure,surface morphology, defects, and optical properties of the thin films were characterized by x-ray ...
关键词:ZNS THIN films LOW-TEMPERATURE SULFIDATION DOPPLER BROADENING measurements 
Laser-induced damage threshold in HfO2/SiO2 multilayer films irradiated by β-ray
《中国物理B:英文版》2019年第2期294-298,共5页方美华 田鹏宇 朱茂东 齐红基 费涛 吕金鹏 刘会平 
the National Natural Science Foundation of China(Grant No.11405085);the Jiangsu Provincial Natural Science Fund,China(Grant No.BK20130789).
Post-processing can effectively improve the resistance to laser damage in multilayer films used in a high power laser system. In this work, HfO2/SiO2 multilayer films are prepared by e-beam evaporation and then β-ray...
关键词:Β-RAY irradiation HFO2/SIO2 MULTILAYER film RESIDUAL stress LASER-INDUCED damage threshold 
Physics of quantum coherence in spin systems
《中国物理B:英文版》2019年第2期5-24,共20页麦麦提依明·吐孙 荣星 杜江峰 
the National Key Research and Development Program of China(Grant Nos.2018YFA0306600 and 2016YFB0501603);the Chinese Academy of Sciences(Grant Nos.GJJSTD20170001,QYZDY-SSW-SLH004,and QYZDB-SSW-SLH005);the Program from Anhui Initiative in Quantum Information Technologies,China(Grant No.AHY050000).
Quantum computation provides a great speedup over its classical counterpart in solving some hard problems.The advantages of quantum computation come from the coherent superposition principle of quantum mechanics.Spin ...
关键词:COHERENCE DECOHERENCE magnetic RESONANCE techniques UNCERTAINTY RELATION 
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