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Progress of GECAM Observation Research
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作者 WANG Chenwei ZHANG Yanqiu +8 位作者 XIONG Shaolin LIU Jiacong TAN Wenjun XIAO Shuo xie shenglun XUE Wangchen ZHAO Haisheng ZHAO Yi ZHENG Chao 《空间科学学报》 CAS CSCD 北大核心 2024年第4期668-673,共6页
Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor(GECAM)is a constellation with four instruments(launch date):GECAM-A/B(10 December 2020),GECAM-C(27 July 2022)and GECAM-D(13 March 2024),which ... Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor(GECAM)is a constellation with four instruments(launch date):GECAM-A/B(10 December 2020),GECAM-C(27 July 2022)and GECAM-D(13 March 2024),which are dedicated to monitoring gamma-ray transients in all-sky.The primary science objectives of GECAM include Gamma-Ray Bursts(GRBs),Soft Gamma-ray Repeaters(SGRs),high energy counterparts of Gravitation Wave(GW)and Fast Radio Burst(FRB),Solar Flares(SFLs),as well as Terrestrial Gamma-ray Flashes(TGFs)and Terrestrial Electron Beams(TEBs).A series of observations and research have been made since the launch of GECAM-A/B.GECAM observations provide new insights into these highenergy transients,demonstrating the unique role of GECAM in the“multi-wavelength,multi-messenger”era. 展开更多
关键词 GECAM Gravitational wave electromagnetic counterpart High energy transients
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Pmn21结构Li2VSiO4电子结构性质
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作者 谢升伦 林硕 林传金 《闽南师范大学学报(自然科学版)》 2020年第4期38-42,共5页
采用基于密度泛函理论的第一性原理方法,计算了Pmn21-Li2VSiO4的结构参数、电荷密度与差分电荷密度、能带结构.结果发现,Pmn21-Li2VSiO4材料结构具备较好的结构稳定性;从电荷密度和差分电荷密度图可以看出,Li2VSiO4材料的电子键形成特... 采用基于密度泛函理论的第一性原理方法,计算了Pmn21-Li2VSiO4的结构参数、电荷密度与差分电荷密度、能带结构.结果发现,Pmn21-Li2VSiO4材料结构具备较好的结构稳定性;从电荷密度和差分电荷密度图可以看出,Li2VSiO4材料的电子键形成特点是离子键和共价键的混合;考虑自旋极化,计算得到自旋向上和自旋向下的电子能带结构,能带的带隙分别为1.75 eV和5.1 eV,用分波态密度分析了能带结构形成机理. 展开更多
关键词 Pmn21-Li2VSiO4 电子结构 第一性原理
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