75,034 research outputs found

    Primordial nucleosynthesis in higher dimensional cosmology

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    We investigate nucleosynthesis and element formation in the early universe in the framework of higher dimensional cosmology. For this purpose we utilize a previous solution of the present author, which may be termed as the generalized Friedmann-Robertson-Walker model. We find that temperature decays less rapidly in higher dimensional cosmology, which we believe may have nontrivial consequences \emph{vis-a-vis} primordial physics

    Absence of replica symmetry breaking in the random field Ising model

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    It is shown that replica symmetry is not broken in the random field Ising model in any dimension, at any temperature and field strength, except possibly at a measure-zero set of exceptional temperatures and field strengths.Comment: 11 pages. To appear in Commun. Math. Phy

    Fund Characteristics and Performances of Socially Responsible Mutual Funds: Do ESG Ratings Play a Role?

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    This paper examines the risk-adjusted performance and differential fund flows for socially responsible mutual funds (SRMF). The results show that SRMF rated high on ESG, perform better than lower rated ESG funds during the period of economic crisis. The findings also show that low ESG rated SRMF had higher differential cash-flows than high rated ESG funds except for the period of economic down turn. The findings are of interest to financial advisors, investors, mutual fund managers, and researchers on how SRMF performance responds to periods of economic downturn and expansionComment: Forthcoming in the Journal of Accounting and Financ
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