Contents
2019
Volume: 68 Issue 3
29 Article(s)

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Three-dimensional numerical simulation of electromagnetic diffusion problem and magnetization effects
Zhi-Xuan Li, Ming-Xin Yue, and Guan-Qun Zhou
We present a newly developed algorithm for three-dimensional (3D) magnetotelluric model based on the vector finite element method. In this paper, unstructured grids which are composed of irregular tetrahedrons are used in our finite element model, which can be refined locally and adaptively according to the complex geo
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030201-1 (2019)
Coherence and information conservation and their applications in Mach-Zehnder interferometer
Shuang-Shuang Fu, Shun-Long Luo, and Yuan Sun
Coherence and complementarity are two important themes in quantum mechanics, which have been widely and thoroughly investigated. Recently, with the rapid development of quantum information theory, various measures have been introduced for quantitatively studying the coherence and complementarity. However, most of these
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030301-1 (2019)
Superadiabatic scheme for fast generating Greenberger-Horne-Zeilinger state of three superconducting qubits
Wan-Rang Yu, and Xin Ji
With the development of quantum information processing (QIP), entangled states have been used in many important fields. One of the well-known entangled states is Greenberger-Horne-Zeilinger (GHZ) state, which provides a possibility for testing quantum mechanics against local hidden theory without using Bell’s inequalit
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030302-1 (2019)
Multimode solid-state quantum memory
Tian-Shu Yang, Zong-Quan Zhou, Chuan-Feng Li, and Guang-Can Guo
The faithful storage and coherent manipulation of single photon state in a matter-system are crucial for linear-optical quantum computation, long-distance quantum communication, and quantum networking.To reach useful data rate in a large-scale quantum network, highly multimode quantum memories are required to build a m
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030303-1 (2019)
Quantum coherence
Bao-Min Li, Ming-Liang Hu, and Heng Fan
Quantum coherence is not only a fundamental concept of quantum mechanics, but also an important physical resource for quantum information processing. Along with the formulation of the resource theoretic framework of quantum coherence, the quantification of coherence is still one of the recent research focuses. Quantum
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030304-1 (2019)
Experimental progress of quantum computation based on trapped single neutral atoms
Peng Xu, Xiao-Dong He, Min Liu, Jin Wang, and Ming-Sheng Zhan
As an important candidate for quantum simulation and quantum computation, a microscopic array of single atoms confined in optical dipole traps is advantageous in controlled interaction, long coherence time, and scalability of providing thousands of qubits in a small footprint of less than 1 mm2. Recently, several break
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030305-1 (2019)
Single-ion qubit with coherence time exceeding 10 minutes
Ye Wang, Jing-Ning Zhang, and Kihwan Kim
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030306-1 (2019)
Research progress of quantum memory
Jian-Peng Dou, Hang Li, Xiao-Ling Pang, Chao-Ni Zhang, Tian-Huai Yang, and Xian-Min Jin
Quantum technologies, for example, quantum communication and quantum computation, promise spectacular quantum enhanced advantages beyond what can be done classically. However, quantum states, as the element of quantum technologies, are very fragile and easily get lost to the environment, and meanwhile, their generation
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030307-1 (2019)
Three-dimensional lattice Boltzmann modeling of droplet condensation on superhydrophobic nanostructured surfaces
Meng-Dan Hu, Qing-Yu Zhang, Dong-Ke Sun, and Ming-Fang Zhu
Superhydrophobic surfaces resulting from nanoarrays have good performance in anti-condensation. However, the study of droplet nucleation during water vapor condensation is a challenge because of the limitation of observation on a nanoscale, and therefore the fundamental understanding of the influence of geometrical par
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 030501-1 (2019)
Spectrum and transition characteristics of low excited state of strontium chloride molecule
Dong-Lan Wu, Jin-Hong Yuan, Yu-Feng Wen, Xue-Feng Zeng, and An-Dong Xie
Sr35Cl is a candidate system for laser cooling. The spectrum and transition characteristics are very important for constructing laser cooling schemes. In this paper, the spectral properties are analyzed by using the Davidson's modified internal contraction multi-reference interaction (ic-MRCI + Q) method, in combin
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 033101-1 (2019)
Intensity-dependent recollision dynamics in strong-field nonsequential double ionization
Cheng Huang, Ming-Min Zhong, and Zheng-Mao Wu
Using the three-dimensional classical ensemble model, we systematically investigate the strong-field nonsequential double ionization (NSDI) of He atom by intense linearly polarized laser pulses at different intensities for 750 nm and 1500 nm in wavelength. In the intensity range of 0.4 0.8 PW/cm2 considered in this wor
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 033201-1 (2019)
Atom-subjected optical dipole force exerted by femtosecond laser field
Ji-Cai Liu, Fei Cheng, Ya-Nan Zhao, and Fen-Fen Guo
In 2011, Kumar et al. (2011 Phys. Rev. A84 043402) studied the light force acting on a beam of neutral two-level atoms superimposed on a few-cycle-pulse Gaussian laser field under both resonant and off-resonant conditions by solving the optical Bloch equation beyond the rotating-wave approximation, and they found that
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 033701-1 (2019)
Novel design of microstrip antenna array with low scattering performance
Jun-Xiang Lan, Xiang-Yu Cao, Jun Gao, Jiang-Feng Han, Tao Liu, Li-Li Cong, and Si-Ming Wang
In this paper, the idea of electromagnetic surface (EMS) is introduced into the design of microstrip antenna array. The antenna element proposed in this paper is treated as an EMS element, whose reflection characteristics are taken into consideration in the process of antenna array design. Firstly, a rectangular patch
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 034101-1 (2019)
Single-shot optical speckle imaging based on pseudothermal illumination
Xiao Xiao, Shu-Man Du, Fu Zhao, Jing Wang, Jun Liu, and Ru-Xin Li
Scattering in medium is a serious problem that limits the imaging depth or imaging distance. According to the absorption and scattering of light in biological tissues, it is difficult for both excited light and signal light to penetrate biological tissues, and the scattering effect in biological tissues will destroy th
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 034201-1 (2019)
Deterministic quantum entanglement among multiple quantum nodes
Yan-Hong Liu, Liang Wu, Zhi-Hui Yan, Xiao-Jun Jia, and Kun-Chi Peng
Quantum entanglement is a significant quantum resource, which plays a central role in quantum communication. For realizing quantum information network, it is important to establish deterministic quantum entanglement among multiple spatial-separated quantum memories, and then the stored entanglement is transferred into
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 034202-1 (2019)
Enhancement of continuous-variable hyperentanglement by optimizing pump mode
Juan Li, Jia-Ming Li, Chun-Xiao Cai, Heng-Xin Sun, Kui Liu, and Jiang-Rui Gao
In recent years, more and more researchers have paid attention to the hyperentanglement, because it plays a very important role in the quantum information and quantum communication. Continuous-variable hyperentangled state with orbital angular momentum and spin angular momentum has a promising application in the parall
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 034204-1 (2019)
A kind of tunable acoustic metamaterial for low frequency absorption
Shi-Long Zhai, Yuan-Bo Wang, and Xiao-Peng Zhao
Low frequency noise is always an important factor affecting people’s quality of life. At present, the most widely used sound absorbing materials include polyurethane foam, trimeric amine, mineral cotton, textiles, cotton and special sound insulation materials. However, the sizes of these materials are generally large,
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 034301-1 (2019)
Kelvin-Helmholtz instability in anisotropic viscous magnetized fluid
Ying Liu, Zhi-Hua Chen, and Chun Zheng
Kelvin-Helmholtz instability in anisotropic viscous fluid with uniform density in the presence of magnetic field is simulated through solving the non-ideal magnetohydrodynamic equations. The magnetic field is uniform and parallel to the stream. The magnetohydrodynamic equations are solved by corner transport upwind alg
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 035201-1 (2019)
Influence of source size and spectral bandwidth on the imaging of a zone plate
Zhong-Wei Lu, and Xiao-Fang Wang
Direct X-ray imaging by a Fresnel zone plate (FZP) has achieved a spatial resolution of 10 nm on a synchrotron beamline. It may be used to obtain submicron-resolution X-ray images of laser-plasma sources or fusion targets. However, none of previous imaging experiments with laser-plasma kilo-elelctron-volt X-ray sources
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 035202-1 (2019)
Motion characteristics of coaxial gun discharge plasma current sheet
Liang-Wen Qi, Chong-Xiao Zhao, Hui-Jie Yan, Ting-Ting Wang, and Chun-Sheng Ren
The coaxial gun discharge, used as plasma jet with high density and velocity, has a wide variety of applications such as plasma space propulsion, simulation experiment of thermal transient events in the International Thermonuclear Experimental Reactor, plasma refueling for fusion reactors and a laboratory scale platfor
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 035203-1 (2019)
Relationship between compositions and elastic properties of AlxCrFeNiTi high entropy alloys
Hao-Yu Wang, Zhi-Sheng Nong, Ji-Jie Wang, and Jing-Chuan Zhu
The effects of Al content on structure and elastic properties of AlxCrFeNiTi (x = 0, 0.5, 1, 2, 3, 4), and elastic properties varying with solid solution characteristic parameters of alloys are investigated in this work to explore the relationships between compositions and elastic properties of AlxCrFeNiTi high entropy
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 036101-1 (2019)
Electronic structures and optical properties of Ce-doped anatase TiO2 with oxygen vacancy
Shi-Wen Zhou, Ping Peng, Wen-Qin Chen, Ming-Huai Yu, Hui Guo, and Zhen Yuan
The crystal structures, defect formation energy, electronic structures and optical properties of oxygen vacancy and/or Ce-(co)doped anatase TiO2 are investigated by using density functional theory plus U calculations. The calculated results indicate that lattice distortion induces the enhanced octahedral dipole moment
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037101-1 (2019)
Stability and electronic structure of hydrogenated two-dimensional transition metal dichalcogenides: First-principles study
Dan Wang, Juan Zou, and Li-Ming Tang
Chemical functionalization of two-dimensional transition metal dichalcogenides (TMDs) with hydrogen is an effective and economical method to synthesize monolayer TMDs and tune their electronic properties. We theoretically study the stabilities and electronic properties of chemisorbed H atoms on monolayer TMDs by using
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037102-1 (2019)
Surface-enhanced Raman scattering effect of composite structure with gold nano-cubes and gold film separated by polymethylmethacrylate film
Xiang-Xian Wang, Xue-Lin Bai, Zhi-Yuan Pang, Hua Yang, Yun-Ping Qi, and Xiao-Lei Wen
The composite structure of metal nanoparticle and metal film can be used as a surface-enhanced Raman scattering (SERS) substrate to significantly enhance the Raman signal of adsorbed molecules due to the strong coupling between local surface plasmons and propagating surface plasmons. An SERS substrate of the composite
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037301-1 (2019)
Polarization and magnetization properties of ferroelectric/ ferromagnetic layer films under external field
Wei Zheng, and An Du
A ferroelectric/ferromagnetic bilayer film model is established. The electric moment of ferroelectric layer is described by continuous scalars, and the spins of ferromagnetic layer are described by classical vectors. The thermodynamic properties, polarization and magnetization behavior are simulated by using Monte Carl
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037501-1 (2019)
Effects of Nd-doping on multiferroic properties of Bi6−xNdxFe1.4Ni0.6Ti3O18 polycrystalline
Cheng Chen, Jian-An Lu, Wei Du, Wei Wang, Xiang-Yu Mao, and Xiao-Bing Chen
Single phase polycrystalline Nd-modified BNFNT-x series samples are obtained from the precursors of the same chemical formula, and prepared by using the citric acid-nitrate method. The X-ray photoelectron spectroscopy measurement indicates that a slight Nd modification does not exert significant influence on the stabil
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037701-1 (2019)
Effect of surface topography on emission properties of hot-cathode
Guang-Hui Hao, Ze-Peng Li, Yu-Juan Gao, and Ya-Kun Zhou
As a kind of influence factor, the surface topography determines the uniformity and current of peritoneal impregnated diffusion cathode (M-type dispenser cathode) emitted electrons. It can be seen from the emission characteristics of the cathode in the micro-range that the lathe tool grains at the cathode surface can a
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 037901-1 (2019)
Total ionizing dose effects of γ and X-rays on 55 nm silicon-oxide-nitride-oxide-silicon single flash memory cell
Yang Cao, Kai Xi, Yan-Nan Xu, Mei Li, Bo Li, Jin-Shun Bi, and Ming Liu
The total ionizing dose (TID) effects on 55 nm SONOS flash cell, caused by 60Co-γ ray and 10 keV X-ray radiation source, are systematically investigated in this paper. The degradation of electrical characteristics is discussed while the underlying physical mechanism is analyzed. The drift of I-V characteristic curve, t
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 038501-1 (2019)
Two-dimensional distribution design of micro-prism for partial integrated light guide plate
Ping Xu, Wei Yang, Xu-Lin Zhang, Tong-Zheng Luo, and Yan-Yan Huang
The microstructure distribution on the bottom surface of the partial integrated light guide plate (PILGP) is the key to affecting the uniformity of the output light from the backlight module (BLM), which is one of the important factors in the BLM design. Based on the development trend of the BLM in light-weight and int
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 3, 038502-1 (2019)