Research Papers (JVN)

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End date: 1979Subject: search.filters.subject.Astrophysics

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Now showing 1 - 6 of 6
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    Role of white holes in astrophysics
    (Macmillan, 1978-01-20) Narlikar, J. V.
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    Role of general relativity in astrophysics
    ((B.H.U., 1976-01-11) Narlikar, J. V.
    It gives me great pleasure to attend this Seminar dedicated to the^Diamond Jubilee celebrations of my alma mater. I have happy recollections of attending lectures in this very lecture theatre as a student in 1955-57. While talking about general relativity may 1 also point out that this subject is about as old as this University. The first paper on this subject by Einstein' " appeared in Novem- ber 1915.
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    White holes and high energy astrophysics
    (Kluwer Academic Publishers, 1975-01-01) Narlikar, J. V.; Apparao, K. M. V.
    The role of exploding objects in high-energy astrophysics is discussed. Quantitative results are obtained for the simple case of the canonical white hole which explodes from a singularity and consists of pressure-free matter in the comoving frame of reference. General relativity is used for calculating the dynamical results. Applications to X-ray background, transient X-ray sources, gamma-ray bursts, and high energy cosmic rays are considered. White holes of more general types are discussed in a qualitative manner.
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    Gravitational searchlight and its astrophysical applications
    (Nature Publishing Group, 1974-12-06) Chitre, S. M.; Narlikar, J. V.; Kapoor, R. C.
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    Minibangs in cosmology and astrophysics
    (Springer, 1974-01-12) Narlikar, J. V.
    The ideas originally proposed to discuss continuous creation of matter are reconsidered in the context of the big bang cosmological models. It is shown that singularity-free big bang models are possible under the modified field equations of general relativity. However, the case is made out that matter creation takes place in several mini-bangs at different epochs rather than in one big bang. The implications of this idea for high energy astrophysics and for gravitational radiation are discussed.
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    High energy phenomena in astrophysics
    (D.A.E., 1972-12-12) Narlikar, J. V.