Contents
2019
Volume: 68 Issue 17
34 Article(s)

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New reduced matrix construction accelerated iterative solution of characteristic basis function method
Zhong-Gen Wang, Jun-Wen Mu, Han Lin, and Wen-Yan Nie
The characteristic basis function method is known as an effective method to solve the electromagnetic scattering problems, but the convergence of the iterative solution of the reduced matrix equation is slow when the characteristic basis function method is used to analyze the electromagnetic scattering characteristics
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170201-1 (2019)
Pressure-driven fluid flow characteristics in black phosphorus nanochannels
Zhong-Qiang Zhang, Han-Lun Liu, Jin-Wei Fan, Jian-Ning Ding, and Guang-Gui Cheng
With the rapid development of low-dimensional materials, the opportunity that promotes the development of micro/nano fluid devices, a new low-dimensional material black phosphorus (BP) has attracted wide attention due to its excellent properties, and has been applied to many areas. In this paper, the influences of driv
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170202-1 (2019)
Interpolating element-free Galerkin method for viscoelasticity problems
Peng-Xuan Zhang, and Miao-Juan Peng
In this paper, based on the improved interpolating moving least-square (IMLS) approximation, the interpolating element-free Galerkin (IEFG) method for two-dimensional viscoelasticity problems is presented. The shape function constructed by the IMLS approximation can overcome the shortcomings that the shape function of
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170203-1 (2019)
Pressure of active system under the electric double layer interaction
Kang Jin, and Guang-Yin Jing
Self-driven particle systems consist of particles that can extract energy from the environment and transform into active motion, and thus are significantly different from the classical passive particle systems. For such an active system, the question of whether there is a classical equation of state (EOS) has caused sp
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170501-1 (2019)
Chaotic laser parallel series synchronization and its repeater applications in secure communication
Sen-Lin Yan
In this paper, chaotic parallel synchronization and quasi-periodic parallel synchronization between two mutually coupled different semiconductor lasers and other lasers are studied, and the regeneration of chaotic laser and key technology of repeater are discussed. The complex dynamic system and network of laser parall
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170502-1 (2019)
Prediction of time reversal channel with neural network optimized by empirical knowledge based genetic algorithm
Lin Yuan, Xue-Song Yang, and Bing-Zhong Wang
Because of the strong non-linear fitting capability, the artificial neural network (ANN) can be used to establish the mapping relationship between the terminal position and the received signal for obtaining the channel characteristics at different locations. The accuracy of an ANN model is, in general, determined by th
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170503-1 (2019)
Phase field crystal simulation of the effect of temperature on low-angle symmetric tilt grain boundary dislocation motion
Ke-Wu Qi, Yu-Hong Zhao, Hui-Jun Guo, Xiao-Lin Tian, and Hua Hou
For crystal materials, the grain boundary structure is complex, which is usually the place in which stress concentration and impurity accumulate. Grain boundary structure and movement have a great influence on the macroscopic properties of crystal materials, therefore, it is of great significance to study the microstru
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170504-1 (2019)
Optical nonreciprocity with blue-detuned driving in two-cavity optomechanics
Li-Wei Zhang, Xian-Li Li, and Liu Yang
Radiation pressure in an optomechanical system can be used to generate various quantum phenomena. Recently, one paid more attention to the study of optical nonreciprocity in an optomechanical system, and nonreciprocal devices are indispensable for building quantum networks and ubiquitous in modern communication technol
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 170701-1 (2019)
Molecular structure and electronic spectrum of MoS2under external electric field
Jian-Bin Du, Zhi-Fang Feng, Qian Zhang, Li-Jun Han, Yan-Lin Tang, and Qi-Feng Li
A variety of new materials have improved the production and life of human beings. Two-dimensional nano materials have become a research hotspot due to their unique physical and chemical properties. Molybdenum disulfide (MoS2) is representative of transition metal sulfide, with excellent mechanical properties and chemic
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 173101-1 (2019)
Theoretical study of laser cooling of potassium chloride anion
Ming-Jie Wan, Hua-Feng Luo, Di Yuan, and Song Li
The potential energy curves and transition dipole moments (TDMs) for three Λ-S states (X2Σ+, A2Π, and B2Σ+) of potassium chloride anion (KCl–) are investigated by using multi-reference configuration interaction (MRCI) method. The def2-AQZVPP-JKFI of K atom and AV5Z-DK all-electron basis set of Cl atom are used in all c
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 173102-1 (2019)
One-dimensional spin-orbit coupling Bose gases with harmonic trapping
Zhi-Qiang Li, and Yue-Ming Wang
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 173201-1 (2019)
Subatomic scale study of atom-generated higher-order harmonic
Yan Liu, Fu-Ming Guo, and Yu-Jun Yang
The higher-order harmonics generated from an atom irradiated by ultarashort laser pulses is one of the important ways to obtain ultrashort attosecond pulses and coherent XUV sources. In order to produce a high-inntensity XUV source, one needs to study the mechanism of harmonic generation. The mechanism of the atomic hi
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 173202-1 (2019)
Design and analysis of 90° image rotating four-mirror non-planar ring resonator based on mid-infrared optical parametric oscillator beam quality optimization
Jing-Liang Liu, Xin-Yu Chen, Rui-Ming Wang, Chun-Ting Wu, and Guang-Yong Jin
Mid-infrared optical parametric oscillator (OPO) operating in the mid-infrared transmission window (3—5 μm wavelength range) is one of hot issues in the field of laser system. It has many applications in environmental detection, remote sensing, and medicine. Besides, this laser system is used as a key component of infr
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174201-1 (2019)
Squeezed property of optical transistor based on cavity optomechanical system
Sen Li, Hao-Zhen Li, Jing-Ping Xu, Cheng-Jie Zhu, and Ya-Ping Yang
All-optical diodes and all-optical transistors are the basis of all-optical logic devices. We study the quantum statistical properties of all-optical diodes based on cavity quantum electrodynamics (QED)[1], and discuss the squeezed properties of the output light after passing through the diode when coherent light and s
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174202-1 (2019)
Photonic microwave waveform generation based on dual-wavelength time domain synthesis technology
Yan-Na Ma, Wen-Rui Wang, Kai-Chen Song, Jin-Long Yu, Chuang Ma, and Hua-Fang Zhang
Microwave waveforms, such as square waveforms, sawtooth waveforms and triangle waveforms are widely used in radar communication, electronic measurement and medical imaging and so on. Using photonic microwave technology to generate arbitrary microwave waveforms has been a research hotspot.In this paper, a photonic micro
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174203-1 (2019)
Enhanced red upconversion fluorescence emission of Ho3+ ions in NaLuF4 nanocrystals through building core-shell structure
Xue-Wen Yan, Zhao-Jin Wang, Bo-Yang Wang, Ze-Yu Sun, Chen-Xue Zhang, Qing-Yan Han, Jian-Xia Qi, Jun Dong, and Wei Gao
A series of the hexagonal-phase NaLuF4:20.0%Yb3+/2.0%Ho3+/12.0% Ce3+@NaLuF4:x%Yb3+ core-shell (CS) nanocrystals with codoping different Yb3+ ions in the shell is successfully built by a sequential growth process. The crystal structures and morphologies of samples are characterized by X-ray diffractometer and transmissi
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174204-1 (2019)
Dimension-reduced generalized likelihood ratio detection based on sampling of normal modes in deep ocean
De-Zhi Kong, Chao Sun, Ming-Yang Li, Jie Zhuo, and Xiong-Hou Liu
In this paper, two generalized likelihood ratio (GLR) detectors are presented for the case of multiple snapshots of test data to detect the presence of an underwater acoustic source in the deep ocean. The two GLR detectors are termed the eigenvalue detector (EVD) and the constant false alarm rate eigenvalue detector (C
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174301-1 (2019)
Mixing enhancement for supersonic mixing layer by using plasma synthetic jet
Peng Wang, and Chi-Bing Shen
Mixing enhancement for supersonic mixing layer is of great importance for developing scramjet engine. The growth rate of supersonic mixing layer is smaller than that of subsonic mixing layer. As the compressibility increases, the mixing enhancement becomes more difficult. Plasma synthetic jet is regarded as a promising
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 174701-1 (2019)
Mixed injection mechanism assisted cascaded laser wakefield accelerator
Fang Tan, Xiao-Hui Zhang, Bin Zhu, Gang Li, Yu-Chi Wu, Ming-Hai Yu, Yue Yang, Yong-Hong Yan, Jing Yang, Wei Fan, Ke-Gong Dong, Feng Lu, and Yu-Qiu Gu
Femtosecond electron bunches can be produced by laser plasma wakefield accelerators, with energy tunable from tens of MeV to a few GeV. In order to produce stable mono-energetic electron bunches, a critical issue is to control the injection of electron into the wakefield. The ionization injection is one of the most eff
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 175201-1 (2019)
Effect of pressure on structure and fluorescence of phthalocyanine
Lu-Yao Zhu, Peng Wang, Chun-Guang Zhai, Kuo Hu, Ming-Guang Yao, and Bing-Bing Liu
Phthalocyanine (Pc) is a kind of important photoelectric material, but a lot of questions remain to be clarified, like the relationship between the structure of Pc and its photoelectric property. High pressure is a powerful tool to study the structure transformation. High pressure study on piezochromic materials, which
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 176101-1 (2019)
First-principles calculations of magnetic and optical properties of Ga1–xCrxSb (x = 0.25, 0.50, 0.75)
Chuang Wang, Yong-Hong Zhao, and Yong Liu
As the demand for electronic devices increases continually, the spintronic materials have played an important role in materials science and electronics. Spintronic devices have excellent properties such as non-volatility, low power consumption, and high integration compared with conventional semiconductor devices. In t
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 176301-1 (2019)
Effect of velocity on polytetrafluoroethylene friction coefficient using molecular dynamics simulaiton
Deng Pan, Chang-Xin Liu, Ze-Yang Zhang, Yu-Jin Gao, and Xiu-Hong Hao
Velocity is an important factor affecting the friction coefficient of polymers. Polytetrafluoroethylene (PTFE), as a typical self-lubricating polymer, has attracted extensive attention because of its low friction coefficient. Currently, the friction coefficient of PTFE is investigated usually by using experimental meth
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 176801-1 (2019)
Heavy fermion materials and physics
Wu Xie, Bin Shen, Yong-Jun Zhang, Chun-Yu Guo, Jia-Cheng Xu, Xin Lu, and Hui-Qiu Yuan
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 177101-1 (2019)
Effect of H on elastic properties of Mg2Si by the first principles calculation
Zheng-Hong Fu, Ting Li, Mei-Le Shan, Kang Guo, and Guo-Qing Gou
The mechanical properties of Al-Mg-Si-type aluminum alloys may degenerate due to the hydrogen damage during servicing in hydrogen environment. The Mg2Si is the main strengthening phases in Al-Mg-Si-type aluminum alloys. Therefore, the mechanical properties of Mg2Si directly determine the strengths of Al-Mg-Si-type alum
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 177102-1 (2019)
Dynamical study of ultrafast exciton migration in coujugated polymers driven by nonuniform field
Wen-Jing Wang, Chong Li, Mao-Mao Zhang, and Kun Gao
Due to the exciton migration dynamics playing an important role in the photovoltaic process of organic solar cells, which are usually composed of polymer donor and fullerene (or non-fullerene) acceptor, in this paper we propose a new strategy to achieve the ultrafast exciton migration in polymers. Here, the effects of
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 177201-1 (2019)
Magnetization reversal and coercivity in rare-earth permanent magnets and composite magnets
Zhu-Bai Li, Yun Li, Yuan Qin, Xue-Feng Zhang, and Bao-Gen Shen
The coercivities in rare earth permanent magnets even with the same intrinsic properties may differ largely. In this paper, what determines the coercivity is discussed via the investigation of thermal activation in Pr-Fe-B ribbons prepared by melt-spinning method. The thermal activation, resulting from thermal fluctuat
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 177501-1 (2019)
Preparation, optical, and electrical properties of rubrene∶MoO3 films
Rui-Dong Li, Jin-Xiang Deng, Hao Zhang, Zhi-Yang Xu, Zhi-Wei Pan, Jun-Jie Sun, and Gui-Sheng Wang
In this paper, the mixed films with different rubrene-to-MoO3 ratios are deposited on the substrates of Si, indium tin oxide and quartz glass by using the thermal evaporation technique. First, these films are characterized by atomic force microscopy and X-ray diffraction in order to identify their surface morphology an
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178101-1 (2019)
Numerical simulation of mixture gas arc of Ar-O2
Xin-Xin Wang, Lu-Xin Chi, Guang-Feng Wu, Chun-Tian Li, and Ding Fan
Mixture gas arcs are used extensively in welding manufacturing. A two-dimensional steady mathematical model for Ar-O2 mixture gas arc is developed to understand further the heat and mass transfer of the mixture gas arc. The model is based on the assumption of local thermodynamic equilibrium, and the thermodynamic param
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178102-1 (2019)
Theoretical study of dissociation dynamics of HD+ and its quantum control with an intense laser field
Hong-Bin Yao, Xiang-Zhan Jiang, Chang-Hong Cao, and Wen-Liang Li
The dissociation dynamics of HD+ molecule in an intense field is investigated by using an accurate three-dimensional time-dependent wave packet approach. When the 790-nm laser pulse interacts with HD+ molecule, the lowest electronic 1sσ and 2pσ states are coupled. Due to the existence of the permanent electric dipole m
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178201-1 (2019)
Electromagnetic particle-in-cell simulation of high-power single-hole post-hole convolute
Han-Yu Wu, Zheng-Zhong Zeng, Meng-Tong Qiu, Xin-Jun Zhang, Ning Guo, and Hao Wei
The post-hole convolutes (PHCs) are used in pulsed high-power generators to add the output currents of the magnetically insulated transmission lines (MITLs) and deliver the combined current to a single MITL. Then the single MITL delivers the combined current to the load. Magnetic insulation of electron flow is lost nea
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178401-1 (2019)
Improved performance of Al/n+Ge Ohmic contact andGe n+/p diode by two-step annealing method
Chen Wang, Yi-Hong Xu, Cheng Li, Hai-Jun Lin, and Ming-Jie Zhao
Silicon based germanium devices are crucial parts of optoelectronic integration as CMOS feature size continuously decreases. Germanium has attracted increasing attention due to its higher electron and hole mobility, larger optical absorption coefficient as well as lower processing temperature than those of silicon. How
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178501-1 (2019)
First principle study on stretching and breaking process of single-molecule junction: Terminal group effect
Feng Sun, Ran Liu, Yu-Qing Suo, Le-Le Niu, Huan-Yan Fu, Wen-Fang Ji, and Zong-Liang Li
The stretching and breaking processes of stilbene-based molecular junctions, which contain S or N atoms in the terminal groups, are studied by using density functional theory. The numerical results show that for pyramid-shaped gold electrodes, a stretching force of about 0.59 nN is needed to break the molecular junctio
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178502-1 (2019)
A novel method of heart rate variability measurement
Shi-Liang Shao, Ting Wang, Chun-He Song, E-Nuo Cui, Hai Zhao, and Chen Yao
The complex fluctuation of heart rate variability reflects the autonomous regulation function of the heart. In this paper, a novel method of measuring the heart rate variability is proposed. Firstly, the heart rate variability signal is decomposed by the improved complete ensemble empirical mode decomposition with adap
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178701-1 (2019)
Magnetocardiogram forward problem based on personalized three-dimensional heart-torso model
Wei-Wei Xu, Ming-Zhu Bai, Qiang Lin, and Zheng-Hui Hu
In order to simulate the distribution of magnetic field generated by cardiac electrophysiological activities, a three-dimensional (3D) computing framework of magnetocardiogram forward problem based on a finite element method (FEM) is proposed. First, the 3D heart-torso geometry model is established from the 3D reconstr
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 17, 178702-1 (2019)