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Statistical properties of fast radio bursts elucidate their origins: magnetars are favored over gamma-ray bursts
期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021, 卷号: 21, 期号: 8, 页码: 8
作者:
Cui, Xiang-Han
;
Zhang, Cheng-Min
;
Wang, Shuang-Qiang
;
Zhang, Jian-Wei
;
Li, Di
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  |  
浏览/下载:20/0
  |  
提交时间:2022/01/17
transients
fast radio bursts
methods
statistical
stars
magnetars
Information-theoretic aspects of Werner states
期刊论文
ANNALS OF PHYSICS, 2021, 卷号: 424, 页码: 16
作者:
Li, Nan
;
Luo, Shunlong
;
Sun, Yuan
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浏览/下载:32/0
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提交时间:2021/04/26
Werner states
Quantum correlations
Wigner-Yanase skew information
Unitary group
Quantum uncertainty
Total uncertainty
Detection of two bright radio bursts from magnetar SGR 1935 + 2154
期刊论文
Nature Astronomy, 2021, 卷号: 5, 页码: 414
作者:
Kirsten, F.
;
Snelders, M. P.
;
Jenkins, M.
;
Nimmo, K.
;
van den Eijnden, J.
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浏览/下载:42/0
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提交时间:2021/11/18
Astrophysics - High Energy Astrophysical Phenomena
Abstract: Fast radio bursts are millisecond-duration, bright radio signals (fluence 0.1-100 Jy ms) emitted from extragalactic sources of unknown physical origin. The recent CHIME/FRB and STARE2 detection of an extremely bright (fluence ~MJy ms) radio burst from the Galactic magnetar SGR 1935+2154 supports the hypothesis that (at least some) fast radio bursts are emitted by magnetars at cosmological distances. In follow-up observations totalling 522.7 h on source, we detect two bright radio bursts with fluences of 112 ± 22 Jy ms and 24 ± 5 Jy ms, respectively. Both bursts appear to be affected by interstellar scattering and we measure significant linear and circular polarization for the fainter burst. The bursts are separated in time by ~1.4 s, suggesting a non-Poissonian, clustered emission processsimilar to those seen in some repeating fast radio bursts. Together with the burst reported by CHIME/FRB and STARE2, as well as a much fainter burst seen by FAST (fluence 60 mJy ms), our observations demonstrate that SGR 1935+2154 can produce bursts with apparent energies spanning roughly seven orders of magnitude, and that the burst rate is comparable across this range. This raises the question of whether these four bursts arise from similar physical processes, and whether the fast radio burst population distribution extends to very low energies (~10
30
erg, isotropic equivalent).
Effect of swift heavy ions irradiation on the microstructure and current-carrying capability in YBa2Cu3O7-delta high temperature superconductor films
期刊论文
ACTA PHYSICA SINICA, 2020, 卷号: 69, 期号: 7, 页码: 8
作者:
Liu Li
;
Liu Jie
;
Zeng Jian
;
Zhai Peng-Fei
;
Zhang Sheng-Xia
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浏览/下载:10/0
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提交时间:2022/01/18
YBCO high temperature superconducting films
swift heavy ions irradiation
pinning
A novel method to inspect coating thickness of tristructural isotropic fuel particles
期刊论文
INTERNATIONAL JOURNAL OF ENERGY RESEARCH, 2019, 卷号: 43, 期号: 6, 页码: 2391—2401
作者:
Guo, MS
;
Yang, X
;
Zhang, F
;
Lin, J
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浏览/下载:26/0
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提交时间:2019/12/30
RAY PHASE-CONTRAST
IRRADIATION
ENHANCEMENT
RETRIEVAL
IMAGE
On the normalized FRB luminosity function
期刊论文
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2018, 卷号: 481, 期号: 2, 页码: 2320-2337
作者:
Luo, Rui
;
Lee, Kejia
;
Lorimer, Duncan R.
;
Zhang, Bing
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  |  
浏览/下载:3/0
  |  
提交时间:2020/03/10
stars: luminosity function, mass function
ISM: general
galaxies: structure
cosmology: theory
Isotropic ordering of ions in ionic liquids on the sub-nanometer scale
期刊论文
CHEMICAL SCIENCE, 2018, 卷号: 9, 期号: 6, 页码: 1464-1472
作者:
Chen, Hailong
;
Chen, Xin
;
Deng, Jingwen
;
Zheng, Junrong
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  |  
浏览/下载:20/0
  |  
提交时间:2019/04/09
Response of Velocity Anisotropy of Shale Under Isotropic and Anisotropic Stress Fields
期刊论文
ROCK MECHANICS AND ROCK ENGINEERING, 2018, 卷号: 51, 期号: 3, 页码: 695-711
作者:
Li, Xiaying
;
Lei, Xinglin
;
Li, Qi
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浏览/下载:27/0
  |  
提交时间:2018/06/05
Shale
Velocity anisotropy
Anisotropic stress
Anisotropy reversal
Transverse isotropy
Longmaxi formation
Resolving the optical anisotropy of low-symmetry 2D materials
期刊论文
Nanoscale, 2018, 卷号: 10, 期号: 17, 页码: 8329-8337
作者:
Shen, W. F.
;
Hu, C.
;
Tao, J.
;
Liu, J.
;
Fan, S. Q.
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  |  
浏览/下载:12/0
  |  
提交时间:2019/09/17
black phosphorus
inplane anisotropy
spectroscopy
air
optoelectronics
semiconductors
identification
transistors
transport
graphene
Chemistry
Science & Technology - Other Topics
Materials Science
Physics
Kascade-grande limits on the isotropic diffuse gamma-ray flux between 100 tev and 1 eev
期刊论文
Astrophysical journal, 2017, 卷号: 848, 期号: 1, 页码: 7
作者:
Apel, W. D.
;
Arteaga-Velazquez, J. C.
;
Bekk, K.
;
Bertaina, M.
;
Bluemer, J.
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  |  
浏览/下载:39/0
  |  
提交时间:2019/04/23
Cosmic rays
Gamma rays: diffuse background
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