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Browsing by Author "Sivaram, C"

Browsing by Author "Sivaram, C"

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  • Gravitational Waves from Collapsing Stars 
    Sivaram, C (Indian Institute of Astrophysics, 1988)
  • Gravitational waves: some less discussed intriguing issues 
    Sivaram, C (World Scientific Publishing Co., 2015-10)
    Attempts to detect gravitational waves is actively in progress with sophisticated devices like LIGO setup across continents. Despite being predicted almost 100 years ago, there has so far been no direct detection of these ...
  • Gravity and CP violation 
    de Sabbata, V; Sivaram, C (Springer, 1994-10)
    The non-conservation of CP symmetry in the decay of neutralK mesons was discovered almost three decades ago. The origin of this unique phenomenon is still not well understood. There have been attempts to link it with energy ...
  • Gravity of accelerations on quantum scales and its consequences 
    Sivaram, C; Arun, K; Kiren, O. V; Sreenath, B. N (Hadronic Press Inc, 2015-12)
    Gravity stands apart from other fundamental interactions in that it is locally equivalent to an accelerated frame and can be transformed away. Again it is indistinguishable from the geometry of space-time (which is an arena ...
  • Higgs boson 
    Sivaram, C (Indian Academy of Sciences, 2012-10-25)
  • High energy gamma ray and neutrino production of technetium in supernovae and red giants 
    Sivaram, C; de Sabbata, V; Yellappa, Y (International Cosmic Ray, 1990)
    The presence of technetium (Tc) with its short-lived isotopes in the atmospheres of AGB stars is regarded as strong evidence for recent occurrence of s-process nucleosynthesis in stars. However there is seen to be an ...
  • Holography, dark energy and entropy of large cosmic structures 
    Sivaram, C; Arun, K (Springer, 2013-11)
    As is well known, black hole entropy is proportional to the area of the horizon suggesting a holographic principle wherein all degrees of freedom contributing to the entropy reside on the surface. In this note, we point ...
  • How long is a Second? 
    Sivaram, C (Deccan Herald, 2006-10-24)
  • The Hubble tension: change in dark energy or a case for modified gravity? 
    Sivaram, C; Arun, K; Rebecca, Louise (Springer, 2022-03)
    Recently, much controversy has been raised about the cosmological conundrum involving the discrepancy in the value of the Hubble constant as implied by Planck satellite observations of the CMBR in the early Universe and ...
  • The Hulse-Taylor binary pulsar PSR 1913+16. 
    Sivaram, C (Astronomical Society of India, 1995)
    The significance of the binary pulsar 1913+16 in establishing evidence for gravitational radiation emission from binary systems is described. It is pointed out that the system has enabled verification of general relativity ...
  • Hundred Years of Einstein's Cosmological Constant 
    Sivaram, C; Arun, K; Kiren, O. V; Sivaram, C (Isaac Scientific Publishing, 2018-06)
    It was little over a hundred years ago that Einstein introduced the ‘cosmological constant’ in his General Theory of Relativity in order to obtain a static universe, to conform to the philosophical view of the universe ...
  • Implications of Possible Alternate Scenarios for Short and Long Duration GRBs 
    Sivaram, C; Arun, K; Kiren, O. V (Bentham Open, 2014-12)
    Gamma-ray bursts (GRB) are the most luminous physical phenomena in the universe, consisting of flashes of gamma rays that last from seconds to hours. In this paper we look at possible alternate scenarios for both short and ...
  • In search of neutrinos 
    Sivaram, C (Deccan Herald, 2010-04-13)
  • The inconsistency of a model for internal structure or black holes 
    Sivaram, C (Indian Academy of Sciences, 1985-08)
    The recent claim that a black hole can be treated as a relativistic gas of micro black holes (planckions) is shown to be physically inconsistent and in fact is grossly in error. Any deductions made about black holes from ...
  • Inflation with Massive Spin-2 Field in Curved Space-Time 
    Sivaram, C; de Sabbata, V (D. Reidel Publishing Company, 1990)
  • Inflationary universe models and clustering of quasar redshifts 
    Sivaram, C (International Astronomical Union, 1986)
  • Intense beam of light 
    Sivaram, C (Deccan Herald, 2010-05-11)
  • Interactions of UHE cosmic ray neutrinos with the cosmological neutrino background 
    Sivaram, C; Gandhi, R (International Union of Pure and Applied Physics, 1995)
    Apart from the cosmic microwave radiation background, the standard cosmology predicts a thermal neutrino background with a temperature around 20K. Methods suggested to detect such a background, include anomalous forces ...
  • Intermediate Mass Black Holes: Their Motion and Associated Energetics 
    Sivaram, C; Arun, K (Hindawi Publishing Corporation, 2014)
    There is a lot of current astrophysical evidence and interest in intermediate mass black holes (IMBH), ranging from a few hundred to several thousand solar masses.The active galaxy M82 and the globular cluster G1 in M31, ...
  • Introduction to astrobiology 
    Sivaram, C; Sastry, A (Universities Press (India), 2004)
    Astrobiology is the science that seeks to unravel the mysteries of the orign of life and the conditions that would support the birth and evolution of life forms. It involves several disciplines of science which are essential ...

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