Chinese Journal of Physics最新文献

{"title":"Observational constraints on a modified-gravity model with an exponential function of the curvature using the expansion history, the RSD, and the Pantheon+SH0ES data","authors":"Mario A. Acero,&nbsp;A. Oliveros","doi":"10.1016/j.cjph.2025.04.014","DOIUrl":"10.1016/j.cjph.2025.04.014","url":null,"abstract":"<div><div>Considering a well-motivated <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math></span> modified-gravity model, in which an exponential function of the curvature is included, in this paper we implement a statistical data analysis to set constraints on the parameters of the model, taking into account an analytic approximate solution for the expansion rate, <span><math><mrow><mi>H</mi><mrow><mo>(</mo><mi>z</mi><mo>)</mo></mrow></mrow></math></span>. Using a Monte Carlo Markov Chain-based analysis of the expansion rate evolution, the standardized SN distance modulus and the redshift space distortion observational data, we find that the preferred value for the perturbative parameter, <span><math><mi>b</mi></math></span>, quantifying the deviation of the <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math></span> model from <span><math><mi>Λ</mi></math></span>CDM, lies in a region that excludes <span><math><mrow><mi>b</mi><mo>=</mo><mn>0</mn></mrow></math></span> at <span><math><mrow><mo>≳</mo><mn>3</mn><mo>.</mo><mn>5</mn><mi>σ</mi></mrow></math></span> C.L., and that the predicted current value of the Hubble parameter, <span><math><msub><mrow><mi>H</mi></mrow><mrow><mn>0</mn></mrow></msub></math></span>, locates in between the two observational results currently under scrutiny from Planck and SH0ES collaborations. Under the implemented approximate solution, and with the constraints obtained for the parameters, the proposed <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math></span> model successfully reproduces the observational data and the predicted evolution of interesting cosmological parameters resemble the results of <span><math><mi>Λ</mi></math></span>CDM, as expected, while an oscillatory behavior of the dark energy equation of state is observed, pointing to deviation from the concordance cosmological model. The results presented here reinforce the conclusion that the <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math></span> modified-gravity model represents a viable alternative to describe the evolution of the Universe, avoiding the challenges faced by <span><math><mi>Λ</mi></math></span>CDM.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 1105-1120"},"PeriodicalIF":4.6,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigating strange stars in Rastall theory","authors":"Malick Sallah ,&nbsp;M. Sharif","doi":"10.1016/j.cjph.2025.04.013","DOIUrl":"10.1016/j.cjph.2025.04.013","url":null,"abstract":"<div><div>This study explores the structural formation of various spherically symmetric anisotropic stars within the framework of Rastall theory. To achieve this, we derive modified field equations which are then resolved using the Finch–Skea ansatz, which involve unknown parameters <span><math><mrow><mo>(</mo><msub><mrow><mi>A</mi></mrow><mrow><mn>1</mn></mrow></msub><mo>,</mo><msub><mrow><mi>A</mi></mrow><mrow><mn>2</mn></mrow></msub><mo>,</mo><msub><mrow><mi>A</mi></mrow><mrow><mn>3</mn></mrow></msub><mo>)</mo></mrow></math></span>. These parameters are found by using appropriate constraints given by the junction conditions, in addition to observational data from some selected stars. The <span><math><mi>EOS</mi></math></span> given by the <span><math><mi>MIT</mi></math></span> bag model is employed to examine the interior structure and various physical properties of these compact objects. For calculated values of the bag constant <span><math><mi>B</mi></math></span> and two values of the Rastall parameter, <span><math><mrow><mi>ξ</mi><mo>=</mo><mn>0</mn><mo>.</mo><mn>3</mn><mo>,</mo><mn>0</mn><mo>.</mo><mn>5</mn></mrow></math></span>, we investigate the regularity and viability of the state variables. Additionally, we analyze stability of the developed model by employing three distinct criteria. We find that the obtained model is stable and provides an accurate approximation for the mass and radius of strange stars when the Rastall parameter <span><math><mrow><mi>ξ</mi><mo>=</mo><mn>0</mn><mo>.</mo><mn>3</mn></mrow></math></span> is considered.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 1141-1154"},"PeriodicalIF":4.6,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143886677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of internal heat and gravity modulation on convection of Jeffrey fluid in a porous media: A weakly non-linear analysis","authors":"Suman Shekhar ,&nbsp;Lakshmi Sangeeta Syamala ,&nbsp;Ravi Ragoju","doi":"10.1016/j.cjph.2025.04.011","DOIUrl":"10.1016/j.cjph.2025.04.011","url":null,"abstract":"<div><div>Internal heat, primarily generated by nuclear fusion and radioactive decay, serves as a key energy source for celestial bodies. In porous media, small-scale exothermic reactions can contribute to local heat generation, enabling convective flow under various practical conditions. The Jeffrey fluid model, widely used for biological fluids such as blood, synovial fluid, chyme, gastric fluid, and saliva, is considered in this study. This paper examines the influence of internal heat generation and gravity modulation on the convection of Jeffrey fluids using a weak nonlinear analysis and a power series expansion method. Heat transfer is evaluated through the Nusselt number and the mean Nusselt number (<span><math><mover><mrow><mi>N</mi><mi>u</mi></mrow><mo>¯</mo></mover></math></span>), which is determined as the area under the curve. For an internal Rayleigh number <span><math><mrow><mi>R</mi><msub><mrow><mi>a</mi></mrow><mrow><mi>i</mi></mrow></msub><mo>=</mo><mn>0</mn><mo>.</mo><mn>5</mn></mrow></math></span>, the area under the curve is smaller, whereas for <span><math><mrow><mi>R</mi><msub><mrow><mi>a</mi></mrow><mrow><mi>i</mi></mrow></msub><mo>=</mo><mn>1</mn><mo>.</mo><mn>5</mn></mrow></math></span>, it is larger, indicating enhanced heat transport. Similarly, for the Vadasz number, <span><math><mrow><mi>V</mi><mi>a</mi><mo>=</mo><mn>0</mn><mo>.</mo><mn>5</mn></mrow></math></span> results in a smaller area under the mean Nusselt number curve, while <span><math><mrow><mi>V</mi><mi>a</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>5</mn></mrow></math></span> leads to a larger area, suggesting increased heat transport and greater system instability.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 1167-1177"},"PeriodicalIF":4.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143887395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Marangoni instability of a Maxwell’s viscoelastic liquid with Cattaneo–Christov heat flux in the absence of gravity","authors":"J. Antonio Ruiz-Díaz,&nbsp;Luis A. Dávalos-Orozco","doi":"10.1016/j.cjph.2025.04.008","DOIUrl":"10.1016/j.cjph.2025.04.008","url":null,"abstract":"<div><div>The Marangoni instability of a viscoelastic liquid film coating a thick wall with finite thermal conductivity is analyzed under the assumption that the liquid heat flux follows the Cattaneo–Christov constitutive equation. This analysis is conducted in the absence of gravity, as buoyancy forces can be neglected for thin liquid films. This study investigates the influence of the Prandtl number (<span><math><mrow><mi>P</mi><mi>r</mi></mrow></math></span>), the viscoelastic relaxation time (<span><math><mi>F</mi></math></span>), the thermal relaxation time (<span><math><msub><mrow><mi>ɛ</mi></mrow><mrow><mi>t</mi></mrow></msub></math></span>), and the wall’s thermal and geometric properties on the onset of thermocapillary convection. The effect of <span><math><mrow><mi>P</mi><mi>r</mi></mrow></math></span> is examined within the range of 5 to 100, which is characteristic of polymeric suspensions. The wall’s thermal conductivity is quantified using the fluid-to-wall conductivity ratio, varying from 10⁻⁷ to 10<span><math><msup><mrow></mrow><mrow><mn>7</mn></mrow></msup></math></span>, thus encompassing the limiting cases of an ideal heat conductor and an adiabatic wall, along with intermediate scenarios. The effect of wall thickness is analyzed by setting the ratio of wall thickness to fluid depth to 0.1 for a thin wall and 100 for a thick wall.</div></div><div><h3>Methodology:</h3><div>A linear stability analysis is performed by perturbing and linearizing the governing equations of motion and energy. A normal mode expansion is applied to velocity and temperature perturbations, leading to an eigenvalue problem that is analytically solvable for the stability parameter, the Marangoni number. This number is then computed numerically to determine the marginal and critical states under varying parameter sets.</div></div><div><h3>Key findings:</h3><div>For large values of <span><math><msub><mrow><mi>ɛ</mi></mrow><mrow><mi>t</mi></mrow></msub></math></span> or <span><math><mi>F</mi></math></span>, oscillatory convection dominates over stationary modes. Increasing <span><math><msub><mrow><mi>ɛ</mi></mrow><mrow><mi>t</mi></mrow></msub></math></span> enhances instability, while the effect of <span><math><mrow><mi>P</mi><mi>r</mi></mrow></math></span> varies, either stabilizing or destabilizing the system depending on <span><math><mi>F</mi></math></span>. Competing oscillatory modes, characterized by distinct wavenumbers and frequencies, arise within specific parameter regimes. Additionally, wall properties — such as thermal conductivity, specific heat, and thickness — significantly influence the onset conditions for both monotonic and oscillatory instabilities.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 1121-1140"},"PeriodicalIF":4.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143883265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Integration of continuous graphene with periodic ferroelectric domains for adaptive terahertz photodetector","authors":"Lin Lin ,&nbsp;Junxiong Guo ,&nbsp;Shangdong Li ,&nbsp;Tianxun Gong ,&nbsp;Juan Xia ,&nbsp;Yang Zhang ,&nbsp;Wenjing Jie ,&nbsp;Wen Huang ,&nbsp;Xiaosheng Zhang","doi":"10.1016/j.cjph.2025.04.025","DOIUrl":"10.1016/j.cjph.2025.04.025","url":null,"abstract":"<div><div>Graphene plasmons exhibit significant potential for applications in terahertz (THz) detectors due to their fascinating interactions between electromagnetic radiation and matter. However, the excitation and manipulation of graphene plasmons in continuous graphene that is free of patterned technique remain considerable challenges. Here, we present an adaptive wavelength-sensitive terahertz detector, which comprises continuous graphene integrated onto a ferroelectric thin film featuring periodic polarization domains. This designed device demonstrates the capability to absorb THz waves without the need for an external bias voltage, attributed to the high confinement of surface plasmons at the graphene-ferroelectric interface. By reconfiguring an interweaving squared ferroelectric domain array with alternating upward and downward polarizations, our devices theoretically achieve an ultrahigh responsivity of 17.56 A W^-1 and a specific detectivity of 1.11 × 10¹¹ Jones at room temperature. Furthermore, we demonstrate the feasibility of utilizing these photodetectors for spectrum reconstruction applications in portable spectrometers across a broad frequency range of 4.97 to 7.85 THz and achieving a spectral resolution of up to 0.02 THz when integrated with mathematical algorithms.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"96 ","pages":"Pages 1-8"},"PeriodicalIF":4.6,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of vertical rotation and salt on the stability of a couple stress fluid layer","authors":"Shalu Choudhary ,&nbsp;Reeta Devi ,&nbsp;Amit Mahajan ,&nbsp;Sunil ,&nbsp;Vishal Chandel ,&nbsp;Manoj Sharma ,&nbsp;Sarita ,&nbsp;Dhananjay Yadav","doi":"10.1016/j.cjph.2025.04.022","DOIUrl":"10.1016/j.cjph.2025.04.022","url":null,"abstract":"<div><div>The study investigates the stability characteristics of the effect of rotation and salt on convection in a couple stress fluid subject to different conducting boundary conditions. The stability analysis, conducted through linear stability theory and energy theory, confirms that the critical conditions for the onset of instability remain identical for both approaches. The results indicate that couple stresses significantly hinder fluid flow, reducing heat transfer through convection. Furthermore, increased rotation and salt concentration exhibit stabilizing effects, delaying the onset of convection. Among the boundary conditions examined, the free-free (FF) system exhibits an earlier onset of convection, while the rigid-rigid (RR) system demonstrates enhanced stability at lower Taylor numbers. However, beyond a certain threshold of the Taylor number, the FF system becomes more stable than the RR system. These findings underscore the crucial role of boundary conditions and physical parameters in modulating convection in a rotating couple stress fluid layer.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"96 ","pages":"Pages 245-257"},"PeriodicalIF":4.6,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144134167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-capacity hydrogen adsorption in topologically semimetallic Macroporous carbon allotrope","authors":"Ziqi Zhang ,&nbsp;Weiwei Xu ,&nbsp;Jing Zhang ,&nbsp;Xiaodong Cai ,&nbsp;Weixiang Kong ,&nbsp;Xiaozhi Wu","doi":"10.1016/j.cjph.2025.04.004","DOIUrl":"10.1016/j.cjph.2025.04.004","url":null,"abstract":"<div><div>Hydrogen, as a recyclable and eco-friendly energy carrier, offers a viable alternative to fossil fuels, necessitating the development of efficient storage solutions. Here, we have proposed a Macroporous two-dimensional carbon allotrope (MTDCA), TPO-graphene, as a promising hydrogen storage material. MTDCA exhibits exceptional potential for high-capacity storage, owing to their lightweight structure and extensive surface area. The band structure and Berry phase analysis reveal eight Dirac points near the Fermi level, which give rise to multiple non-trivial topological edge states, significantly improving TPO-graphene’s electrical conductivity. In addition, the intense interaction between alkali metal atoms and TPO-graphene enhances hydrogen adsorption, positioning it as an excellent candidate for hydrogen storage. Specifically, Li, Na, and K exhibit hydrogen storage capacities of 6.5 wt%, 7.0 wt%, and 7.5 wt%, respectively. Moreover, TPO-graphene’s exceptional structural stability and high mechanical strength further enhance its versatility in various applications.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"96 ","pages":"Pages 9-19"},"PeriodicalIF":4.6,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144071347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Li codoping on the stability of ferromagnetism in Co-doped ZnO","authors":"A.C. Iloanya,&nbsp;C.E. Ekuma","doi":"10.1016/j.cjph.2025.04.009","DOIUrl":"10.1016/j.cjph.2025.04.009","url":null,"abstract":"<div><div>We investigate the effects of Li codoping on the electronic and magnetic properties of transition metal-doped ZnO using X-ray absorption spectroscopy (XAS), magnetic circular dichroism (XMCD), and magnetic Compton profile analyses. Our findings reveal that Co doping with an 8% concentration of Li enhances the electronic structure of ZnO:Co over a wide temperature range while stabilizing the magnetic interactions with magnetic moments <span><math><mrow><mo>∼</mo><mn>3</mn><mo>.</mo><mn>00</mn></mrow></math></span> <span><math><msub><mrow><mi>μ</mi></mrow><mrow><mi>B</mi></mrow></msub></math></span>. XAS results highlight the importance of Li in tuning the magnetic interaction through modifications of the spin and orbital contributions, which are essential for achieving high-performance magnetic devices. These findings provide a robust framework for future experimental and theoretical studies aimed at tailoring the properties of ferromagnetic semiconductors for future technological applications.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"96 ","pages":"Pages 285-293"},"PeriodicalIF":4.6,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144139773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced spatial shifts of reflected beam on natural hyperbolic materials by polariton conversions","authors":"Yu-Bo Li,&nbsp;Hao-Yuan Song,&nbsp;Di Yu,&nbsp;Shu-Fang Fu,&nbsp;Xuan-Zhang Wang","doi":"10.1016/j.cjph.2025.02.035","DOIUrl":"10.1016/j.cjph.2025.02.035","url":null,"abstract":"<div><div>We conducted comprehensive analyses for the sudden enhancement of Goos-Hänchen (GH) or Imbert-Fedorov (IF) shift with a high reflectivity, where a beam is incident on the surface of a natural hyperbolic material. The research reveals that the GH shift is evidently enhanced at the conversion points among evanescent and bulk polaritons, which is the main conclusion. We further found both the GH and IF shifts are remarkable at the conversion point between bulk and ghost evanescent polaritons. The simulations with Comsol Multiphysics software further confirm that these points correspond to specific frequencies <span><math><mrow><mi>f</mi><mo>/</mo><msub><mi>f</mi><mi>t</mi></msub><mo>=</mo><mn>1.09</mn></mrow></math></span> and <span><math><mrow><mn>2.155</mn></mrow></math></span> (<span><math><mrow><msub><mi>f</mi><mi>t</mi></msub><mo>=</mo><mn>760</mn><mrow><mspace></mspace><mi>c</mi></mrow><msup><mrow><mi>m</mi></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup><mrow><mo>)</mo></mrow></mrow></math></span>. In addition, the impacts of the incident angle, orientation angle of the optical axis, and crystal damping on the spatial shifts are examined. A new perspective is proposed for improving the GH and IF shifts with high reflection in optical device development.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 827-839"},"PeriodicalIF":4.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polarization of active particles under asymmetrical boundaries","authors":"Weirong Zhong","doi":"10.1016/j.cjph.2025.04.021","DOIUrl":"10.1016/j.cjph.2025.04.021","url":null,"abstract":"<div><div>In this paper, we use the non-equilibrium molecular dynamics method to investigate the polarization effect of dumbbell-shaped active particles. It is reported that the asymmetric boundary can induce the polarization of active dumbbell-shaped molecules. In contrast to the previous research, the polarization is independent of both the temperature gradient and the concentration gradient. The analytical and numerical results also suggested that the polarization is attributed to the difference in the interaction between particles and the left or right boundaries. Additionally, the strength of the polarization depends on the active force as well as the concentration. According to the linear response theory, both temperature and concentration gradients are considered thermodynamic forces. The asymmetric interaction between the system and its boundaries can also generate a thermodynamic force. Therefore, it is proposed that there exists a thermodynamic force within the system, which is the most fundamental cause of polarization.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"95 ","pages":"Pages 1178-1184"},"PeriodicalIF":4.6,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143895757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}