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题名: Reconstructing the dark sector interaction with LISA
作者: Cai, RG ;  Tamanini, N ;  Yang, T
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2017
期号: 5, 页码:31
关键词: dark energy theory ;  gravitational wave detectors ;  gravitational waves / experiments ;  supernova type Ia standard candles
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1088/1475-7516/2017/05/031
通讯作者: Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China. ;  Cai, RG (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: We perform a forecast analysis of the ability of the LISA space-based interferometer to reconstruct the dark sector interaction using gravitational wave standard sirens at high redshift. We employ Gaussian process methods to reconstruct the distance-redshift relation in a model independent way. We adopt simulated catalogues of standard sirens given by merging massive black hole binaries visible by LISA, with an electromagnetic counterpart detectable by future telescopes. The catalogues are based on three different astrophysical scenarios for the evolution of massive black hole mergers based on the semi-analytic model of E. Barausse, Mon. Not. Roy. Astron. Soc. 423 (2012) 2533. We first use these standard siren datasets to assess the potential of LISA in reconstructing a possible interaction between vacuum dark energy and dark matter. Then we combine the LISA cosmological data with supernovae data simulated for the Dark Energy Survey. We consider two scenarios distinguished by the time duration of the LISA mission: 5 and 10 years. Using only LISA standard siren data, the dark sector interaction can be well reconstructed from redshift z similar to 1 to z similar to 3 (for a 5 years mission) and z similar to 1 up to z similar to 5 (for a 10 years mission), though the reconstruction is inefficient at lower redshift. When combined with the DES datasets, the interaction is well reconstructed in the whole redshift region from z similar to 0 to z similar to 3 (5 yr) and z similar to 0 to z similar to 5 (10 yr), respectively. Massive black hole binary standard sirens can thus be used to constrain the dark sector interaction at redshift ranges not reachable by usual supernovae datasets which probe only the z less than or similar to 1.5 range. Gravitational wave standard sirens will not only constitute a complementary and alternative way, with respect to familiar electromagnetic observations, to probe the cosmic expansion, but will also provide new tests to constrain possible deviations from the standard ACDM dynamics, especially at high redshift.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: MASSIVE BLACK-HOLES ;  NUCLEAR STAR-CLUSTERS ;  WAVE STANDARD SIRENS ;  COSMOLOGICAL CONSTANT ;  HOST GALAXIES ;  ENERGY ;  SUPERNOVAE ;  EVOLUTION
项目资助者: National Natural Science Foundation of China [11690022, 11375247, 11435006, 11647601] ;  Strategic Priority Research Program of CAS Grant [XDB23030100] ;  Key Research Program of Frontier Sciences of CAS Grant [QYZDJ-SSWSYS006] ;  Labex P2IO ;  Enhanced Eurotalents Fellowship
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22061
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Cai, RG,Tamanini, N,Yang, T. Reconstructing the dark sector interaction with LISA[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2017(5):31.
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