搜索结果: 1-7 共查到“天文学 Observational constraints”相关记录7条 . 查询时间(0.01 秒)
Observational constraints on Chaplygin cosmology in a braneworld scenario with induced gravity and curvature effect
Cosmology Dark energy -Cosmology theory- Cosmology Observations
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2010/11/16
We study cosmological dynamics and late-time evolution of an extended induced grav-ity braneworld scenario. In this scenario, curvature effects are taken into account via the
Gauss-Bonnet term in the...
Observational Constraints on Exponential Gravity
Cosmology and Extragalactic Astrophysics (astro-ph.CO) General Relativity and Quantum Cosmology (gr-qc)
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2010/12/28
We study the observational constraints on the exponential gravity model of f(R)=-beta*Rs(1-e^(-R/Rs)). We use the latest observational data including Supernova Cosmology Project (SCP) Union2 compilati...
Observational constraints on Galileon cosmology
Cosmology and Extragalactic Astrophysics (astro-ph.CO) General Relativity and Quantum Cosmology (gr-qc) High Energy Physics - Phenomenology (hep-ph) High Energy Physics - Theory (hep-th)
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2010/12/23
We study the cosmology of a covariant Galileon field with five covariant Lagrangians and confront this theory with the most recent cosmological probes: the type Ia supernovae data (Constitution and Un...
Observational Constraints on Transverse Gravity: a Generalization of Unimodular Gravity
Transverse Gravity Unimodular Gravity
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2010/3/19
We explore the hypothesis that the set of symmetries enjoyed by the theory that describes gravity is not the full group of diffeomorphisms Diff(M), as in General Relativity, but a maximal subgroup of ...
Radial abundance gradients as observational constraints of galactic evolution：
planetary nebulae galactic evolution
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2009/6/25
Radial abundance gradients as observational constraints of galactic evolution：
planetary nebulae and other objects。
Observational constraints on dwarf galaxy evolution：a retrospective of lequeux et al. (1979)
dwarf galaxy evolution lequeux et al
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2009/6/11
Observational constraints on dwarf galaxy evolution：a retrospective of lequeux et al. (1979)。
STRUCTURE FORMATION COSMIC RAYS：IDENTIFYING OBSERVATIONAL CONSTRAINTS
cosmic rays-Gamma rays theory-Gamma rays observations-Nuclear reactions, nucleosynthesis, abundances
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2009/2/25
Shocks that arise from baryonic in-fall and merger events during
the structure formation are believed to be a source of cosmic rays. These "struc-
ture formation cosmic rays" (SFCRs) would essential...