Contents
2019
Volume: 68 Issue 22
34 Article(s)

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Hypervelocity impact damage properties of solar arrays by using two-stage light gas gun
Jian-Dong Zheng, Jin-Chao Niu, Hong-Xian Zhong, Zi-Zheng Gong, and Yan Cao
Using two-stage light gas gun, we study the hypervelocity impact characteristics of spacecraft key component, solar cell arrays. The damage morphologies in the ground simulation tests match well with those on-situ orbital impacts. The main characteristics of mechanical damage, including the central pit, cover glass sha
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220201-1 (2019)
The invariant eigen-operator method in matrix form and the eigenfrequency of several mesoscopic circuits
Ze Wu, and Hong-Yi Fan
The Invariant Eigen-operator (IEO) method is widely used in solving the eigenfrequencies of the coulped quantum mesoscopic circuits. The previous IEO method is complicated but stylized, we always wasted much time in this boring processes. Here we extended the IEO method to the matrix form based on Lagrangian of the com
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220301-1 (2019)
Topological and non-reciprocal phenomena in elastic waves and heat transport of phononic systems
Zi Wang, Dan-Mei Zhang, and Jie Ren
Phonon is a quasi-particle excitation after the second quantization of lattice vibration. In the phonon framework, we can describe mechanics, elastic wave and thermal phenomena in solid uniformly. With the development of our understanding about solid state systems, phonon has become an important method to control devic
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220302-1 (2019)
Topological properties of graphene moiré superlattice systems and recent optical studies
Xin-Yu Lü, and Zhi-Qiang Li
When 2D materials with different lattice constants or lattice rotation angles are stacked together, a periodic moiré pattern will appear. Such moiré superlattice introduces a new two dimensional periodic potential, which can greatly change the physical properties of the original systems. Recent experimental s
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220303-1 (2019)
Topological states in electric circuit
Kai-Fa Luo, and Rui Yu
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220305-1 (2019)
Quantum dot refrigerator driven by photon
Wei Li, Jing Fu, Yun-Yun Yang, and Ji-Zhou He
A model of quantum dot refrigerator driven by photon, which consists of two two-level quantum dots, a photon reservoir and two leads, is proposed in this paper. Comparing with previous studies, we consider the transitions of electrons between different energy levels in a single quantum dot, which is more practical.Base
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 220501-1 (2019)
Topological surface plasmon polaritons
Yi-Fei Geng, Zhu-Ning Wang, Yao-Guang Ma, and Fei Gao
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224101-1 (2019)
Numerical study of metallic semiconductor nanolasers with double-concave cavity structures
Bai-Fu Zhang, Kang Zhu, Heng Wu, Hai-Feng Hu, Zhe Shen, and Ji Xu
Metallic semiconductor nanolaser, as an ultra-small light source, has been increasingly attractive to researchers in last decade. It can have wide potential applications such as in photonic integrated circuits, on-chip interconnect, optical communications,etc. One obstacle to miniaturization of the laser size is that t
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224201-1 (2019)
Upper-laser-level lifetime measurement of rear earth dopant in active fiber
Heng Liu, Jun-Xiang Zhang, Shi-Jie Fu, Quan Sheng, Wei Shi, and Jian-Quan Yao
The upper-laser-level lifetime (fluorescence lifetime) of the rear earth dopant in the active fiber is a key parameter which indicates the performance of the fiber, and takes an important role in designing the laser system. However, the accurate measurement of fluorescence lifetime in active fiber remains challenging,
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224202-1 (2019)
Non-dispersion boundary conditions of micro-optical element illuminated by broadband light source
Yan-Yan Huang, Xu-Lin Zhang, Wei Yang, Xiao-Bing Wang, Lei Lei, Wen-Da Peng, and Ping Xu
With the development of the microstructure fabrication process and the integration of micro-optical elements, diffractive micro-optical elements are widely used in broadband light sources, such as the integrated light guide plate (ILGP). And with the structural feature size of the ILGP decreasing from tens of microns t
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224203-1 (2019)
Two-dimensional phase sensitive detector and its application to demodulating amplitude modulated image
Yi Liu, Si-Zhong Hao, Yu-Lin Tian, and Guo-Zhong Liu
Two-dimensional spatial modulation and demodulation technology can improve the weak signal detection capability of photoelectric detection system in a stronger noise background. In this paper, a two-dimensional phase-sensitive detector for the high-precision demodulation of 2D spatial amplitude-modulated signal is prop
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224204-1 (2019)
Method of selecting operating point of reservoir computing system based on semiconductor lasers
Fei Hua, Nian Fang, and Lu-Tang Wang
Reservoir computing (RC) is an improved recurrent neural network with the simplified training process, therefore has broad application prospects. The RC can be implemented in hardware based on a nonlinear physical node and a delay feedback loop. Among the optical implementation schemes, the RC system based on semicondu
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224205-1 (2019)
Research progress of topological photonics
Hong-Fei Wang, Bi-Ye Xie, Peng Zhan, Ming-Hui Lu, and Yan-Feng Chen
Inspired by topological phases and phase transitions in condensed matter, a new research field based on topological band theory, topological photonics, has emerged. It breaks through the traditional idea of light regulation by optical superposition principle of real space and energy band theory of solids of reciprocal
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224206-1 (2019)
Dual-band acoustic topological insulator based on honeycomb lattice sonic crystal
Ding Jia, Yong Ge, Shou-Qi Yuan, and Hong-Xiang Sun
Based on honeycomb-lattice sonic crystals with gear-like scatterers, we study and design a pseudospin-dependent dual-band acoustic topological insulator. Compared with cylindrical scatterers with only a single tunable structure parameter (radius), there exist four tunable parameters for the gear scatterer, which enable
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224301-1 (2019)
Numerical study of effect of pressure gradient on boundary-layer receptivity under localized wall blowing/suction
Chang-Gen Lu, Lu-Yu Shen, and Xiao-Qing Zhu
Boundary-layer receptivity is the initial stage of the laminar-turbulent transition process, and plays a key role in predicting and controlling the transition. The present researches indicate that the boundary-layer receptivity is affected not only by the different sorts of free-stream disturbances or the size, shape a
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224701-1 (2019)
Effect of macroscopic velocity on accommodation coefficients based on the molecular dynamics method
Ye Zhang, Ran Zhang, Jian-Qi Lai, and Hua Li
The accommodation coefficient is an important parameter in the field of rarefied gas dynamics, representing the adaptation level of the momentum and energy between gas molecules and solid surfaces, which is frequently used in the boundary conditions of numerical simulation of rarefied gas flow. In this paper, a physica
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 224702-1 (2019)
Higher-order topological insulators and superconductors
Zhong-Bo Yan
Very recently, higher-order topological insulators and superconductors have attracted wide attention and aroused the great interest of researchers. Owing to their unconventional bulk-boundary correspondence, higher-order topological insulators and superconductors possess novel boundary modes whose dimensions are always
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 226101-1 (2019)
Scanning tunneling microscopy study on two-dimensional topological insulators
Zhi-Mo Zhang, Wen-Hao Zhang, and Ying-Shuang Fu
Topological state is a rapidly emerging branch of condensed matter physics in recent years, among which two-dimensional topological insulators (2D TIs) have attracted wide attentions due to their great potential in basic research and applications. The 2D TI has insulating bulk state and conductive edge state. Its edge
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 226801-1 (2019)
Progress of ARPES study on topological semimetals
Tao Deng, Hai-Feng Yang, Jing Zhang, Yi-Wei Li, Le-Xian Yang, Zhong-Kai Liu, and Yu-Lin Chen
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227102-1 (2019)
Influence of trap characteristics on DC surface flashover performance of low density polyethylene in vacuum
Yong-Jie Nie, Xian-Ping Zhao, and Sheng-Tao Li
Surface flashover is the primary limitation to the development of power system and the increase of voltage level. Previous work has proved that the trap can greatly influence flashover performances, but the relationship between trap parameters and surface flashover voltage is not clear. In the paper, we study the effec
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227201-1 (2019)
Dephasing effect of quantum spin topological states in HgTe/CdTe quantum well
Jie Yan, Miao-Miao Wei, and Yan-Xia Xing
HgTe/CdTe quantum well is a typical two dimensional topological material which supports the helical edge states and quantum spin Hall effect that is imposing in applying of spin electronic devices. The special plateau valued with $0.25\;h/e^{2}$ of nonlocal resistance in H-shaped four terminal devices can be used as th
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227301-1 (2019)
Oxygen vacancy effect on ionic conductivity and relaxation phenomenon of SrxBa1–xNb2O6 ceramics
Hui Tang, Xin-Gui Tang, Yan-Ping Jiang, Qiu-Xiang Liu, and Wen-Hua Li
Due to the various risks caused by lead, the research of lead-free ferroelectric functional ceramics has been one of research hotspots recently. And relaxor ferroelectrics have an important position in materials for ceramic capacitor due to their low temperature change rate and large electrostrictive coefficient. Howev
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227701-1 (2019)
Spectroscopic studies of plasmons in topological materials
Chong Wang, Qiao-Xia Xing, Yuan-Gang Xie, and Hu-Gen Yan
Plasmonics plays an important role in the development of nanophotonics, which allows breaking diffraction limit and controlling light in deep-subwavelength scale due to the strong interaction between light and free carriers. Noble metals and 2-dimensional electron gas have been the main platforms for studying plasmonic
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227801-1 (2019)
Topological acoustic transports in chiral sonic crystals
Zhi-Guo Geng, Yu-Gui Peng, Ya-Xi Shen, De-Gang Zhao, and Xue-Feng Zhu
Topological sound has enriched the way of implementing the sound manipulation, which can effectively suppress the backscattering due to topological protection. As an inherent longitudinal wave, sound wave has no " spin” and only supports longitudinal vibration. Creating the " pseudospin” degree of freedom is
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227802-1 (2019)
Microwave experimental platform to demonstrate topology physics based on tight-binding model
Yu-Han Mei, Yue Shao, and Zhi-Hong Hang
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227803-1 (2019)
Pseudospin modes of surface acoustic wave and topologically protected sound transmission in phononic crystal
Yi-He Wang, Zhi-Wang Zhang, Ying Cheng, and Xiao-Jun Liu
The manipulation of surface acoustic wave (SAW) in phononic crystal plays an important role in the applications of SAW. The introduction of topological acoustic theory has opened a new field for SAW in phononic crystals. Here we construct pseudospin modes of SAW and topological phase transition along the surface of pho
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 227805-1 (2019)
Effect of alkane chain length on tribological properties of straight chain alkane liquid film
Zhao-Hui Zhang, Xiao-Dong Yu, Hai-Peng Li, and Kui Han
How to overcome the friction between the micro components has become a key point of the successful operation of the micro/nano-electric mechanical systems. The understanding of the friction mechanism of the alkane liquid film confined between two substrates is important when the friction law on a macro/nano scale is no
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 228101-1 (2019)
Three-dimensional discrete element technology investigated ignition mechanism of octahydro-1, 3, 5, 7-tetranitro -1, 3, 5, 7-tetrazocine particles under drop hammer impact
Cheng-Lu Jiang, Ang Wang, Feng Zhao, Hai-Lin Shang, Ming-Jian Zhang, Fu-Sheng Liu, and Qi-Jun Liu
The ignition mechanism of the explosive particles under impact has been a hot topic, but the research progress is slow. With the rapid development of computer science, the three-dimensional discrete element technique (DM3) is regarded as an efficient and intuitive method to study the explosive ignition under impact. As
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 228301-1 (2019)
Memcapacitor-based multivibrator and its experiments
Mei-Yuan Gu, Jing-Biao Liu, Guang-Yi Wang, Yan Liang, and Fu-Peng Li
Memcapacitor is a kind of non-linear capacitor with memory capability. In order to study the electrical characteristics of memcapacitor and its application circuit, a quadratic model of voltage-controlled memcapacitor is proposed, and an emulator which can dynamically simulate the q–v characteristics of the memcapacito
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 228401-1 (2019)
Effects of material structure on device efficiency of III-nitride intersubband photodetectors
Jian-Bin Kang, Qian Li, and Mo Li
The photodetection potential applications of III-nitride semiconductor are not only restricted in the ultraviolet range, but also extended to the infrared and even terahertz wave range through intersubband transition (ISBT) process between quantum-confined electronic states. The large conduction band offset (~1.75 eV f
Acta Physica Sinica
  • Publication Date: Jan. 01, 1900
  • Vol. 68, Issue 22, 228501-1 (2019)