国家自然科学基金(11322324)

作品数：3被引量：2H指数：1
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Constraining the non-Einsteinian polarizations of gravitational waves by pulsar timing array
《Science China(Physics,Mechanics & Astronomy)》2019年第7期63-75,共13页Rui Niu Wen Zhao 
supported by the National Natural Science Foundation of China(Grant Nos.11603020,11633001,11173021,11322324,11653002,and 11421303);the Project of Knowledge Innovation Program of Chinese Academy of Sciences;the Fundamental Research Funds for the Central Universities;the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB23010200)
Pulsar timing array(PTA) provides an excellent opportunity to detect the gravitational waves(GWs) in nanoHertz frequency band.In particular, due to the larger number of "arms" in PTA, it can be used to test gravity by...
关键词：GRAVITATIONAL WAVES pulsar TIMING ARRAY 
Smoothing methods comparison for CMB E-and B-mode separation
《Research in Astronomy and Astrophysics》2016年第4期55-62,共8页Yi-Fan Wang Kai Wang Wen Zhao 
supported by Project 973 (Grant No. 2012CB821804);the National Natural Science Foundation of China (Grant Nos. J1310021, 11173021, 11322324 and 11421303)
The anisotropies of the B-mode polarization in the cosmic microwave background radiation play a crucial role in the study of the very early Universe. However, in real observations, a mixture of the E- mode and B-mode ...
关键词：cosmic microwave background radiation -- polarization -- statistics 
Constraints on the extensions to the base ΛCDM model from BICEP2, Planck and WMAP被引量：2
《Science China(Physics,Mechanics & Astronomy)》2014年第8期1460-1465,共6页CHENG Cheng HUANG QingGuo ZHAO Wen 
supported by the National Natural Science Foundation of China (Grant Nos. 10821504, 11322545, 11335012, 11173021 and 11322324);the Project of KIP of the Chinese Academy of Sciences and the National Basic Research Program of China (Grant No. 2012CB821804)
Recently Background Imaging of Cosmic Extragalactic Polarization （B2） discovered the relic gravitational waves at 7.00- confi- dence level. However, the other cosmic microwave background （CMB） data, for example Pl...
关键词：relic gravitational waves spectral index dark energy 
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