IIAP Publications: Recent submissions

  • Solar-like oscillations with low amplitude in the CoRoT target HD 181906 
    Garcia, R. A; Regulo, C; Samadi, R; Ballot, J; Barban, C; Benomar, O; Chaplin, W. J; Gaulme, P; Appourchaux, T; Mathur, S; Mosser, B; Toutain, T; Verner, G. A; Auvergne, M; Baglin, A; Baudin, F; Boumier, P; Bruntt, H; Catala, C; Deheuvels, S; Elsworth, Y; Jimenez-Reyes, S. J; Michel, E; Perez Hernandez, F; Roxburgh, I. W; Salabert, D (EDP Sciences, 2009-10)
    Context: The F8 star HD 181906 (effective temperature ~6300K) was observed for 156 days by the CoRoT satellite during the first long run in the centre direction. Analysis of the data reveals a spectrum of solar-like acoustic ...
  • Jets in polar coronal holes 
    Scullion, E; Popescu, M. D; Banerjee, D; Doyle, J. G; Erdelyi, R (IOP Publishing, 2009-10-20)
    Here, we explore the nature of small-scale jet-like structures and their possible relation to explosive events and other known transient features, like spicules and macrospicules, using high-resolution spectroscopy obtained ...
  • Description of accretion induced outflows from ultra-luminous sources to under-luminous AGNs 
    Ghosh, Shubhrangshu; Mukhopadhyay, Banibrata; Krishan, V; Khan, Manoranjan (Elsevier, 2010-01)
    We study the energetics of the accretion-induced outflow and then plausible jet around black holes/compact objects using a newly developed disc-outflow coupled model. Inter-connecting dynamics of outflow and accretion ...
  • Alfvén-like mode in partially ionized solar atmosphere 
    Singh, K. A. P; Krishan, V (Elsevier, 2010-01)
    The partially ionized part of the solar atmosphere is investigated within the framework of a single-fluid magnetohydrodynamic (MHD) description including the non-ideal effects such as the Hall effect and the ambipolar ...
  • Sweet–Parker current slab in a partially ionized plasma 
    Krishan, V (Blackwell Publishing, 2009-12)
    The formation of the Sweet–Parker current sheet, in fact a slab, is studied for a partially ionized plasma. The effects arising from the ion–neutral drag, the ambipolar diffusion, the resistivity resulting from electron–neutral ...
  • Science and music: A harmonious jugalbandi! 
    Annapurni, S (Indian Academy of Sciences, 2008)
  • Meandering into astrophysics 
    Shastri, P (Indian Academy of Sciences, 2008)
  • Curiosity, ambition and foolhardiness 
    Krishan, V (Indian Academy of Sciences, 2008)
  • Historical notes 
    Kochhar, R. K (Indian Academy of Sciences, 1990-05-10)
  • R. LI. Jones-C. V. Raman's physics professor at presidency college Madras 
    Kochhar, R. K (Indian Academy of Sciences, 1990-01-10)
  • Astronomy in British India:Science in the service of the state 
    Kochhar, R. K (Indian Academy of Sciences, 1991-01-25)
  • What's old and what's new about neutrinos 
    Cowsik, R (Indian Academy of Sciences, 1998-09-25)
    To save the laws of conservation of energy, linear and angular momentum, Pauli suggested the possible existence of an elementary particle possessing ito electric charge and very little mass called the neutrino, which was ...
  • HD 77361: a new case of super Li-rich K giant with anomalous low C-12/C-13 ratio 
    Bharat Kumar, Y; Reddy, B. E (The American Astronomical Society, 2009-09)
    Results from high-resolution spectroscopic analysis of HD77361 are reported. LTE analysis shows that HD77361 is a K giant of atmospheric parameters: T-eff = 4580 +/- 75 K, log g = 2.5 +/- 0.1, and xi(t) = 1.40 +/- 0.5 km ...
  • Physics of melts 
    Gaur, V. K (Indian Academy of Sciences, 1997-11-10)
  • Poor science, poor journals 
    Kochhar, R. K (Indian Academy of Sciences, 1990-08-25)
  • The mysterious bar of the large magellanic cloud: what is it? 
    Subramaniam, A; Subramanian, S (Institute of Physics, 2009-09)
    The bar of the Large Magellanic Cloud (LMC) is one of the prominent, but controversial, features regarding its location with respect to the disk of the LMC. In order to study the relative location of the bar with respect ...
  • Probing CP violation with the electric dipole moment of atomic mercury 
    Latha, K. V. P; Angom, D; Das, B. P; Mukherjee, D (The American Physical Society, 2009-08-21)
    The electric dipole moment of atomic Hg-199 induced by the nuclear Schiff moment and the tensor-pseudotensor electron-nucleus interactions are calculated. For this, we develop and employ a novel method based on the ...
  • Theory of polarized scattering in the mixed hanle-zeeman regime 
    Sampoorna, M; Nagendra, K. N; Stenflo, J. O (Astronomical Society of the Pacific, 2009-06)
    We present the theory of polarized partial frequency redistribution (PRD) in the presence of arbitrary magnetic fields. Starting from the classical theory of Bommier & Stenflo (1999) we derive the laboratory frame PRD ...
  • Numerical methods in polarized line formation theory 
    Nagendra, K. N; Sampoorna, M (Astronomical Society of the Pacific, 2009-06)
    We review some numerical methods and provide benchmark solutions for the polarized line formation theory with partial redistribution (PRD) in the presence of magnetic fields. The transfer equation remains non-axisymmetric ...
  • Phase matrices for higher multipoles of scattering in external magnetic fields 
    Oo, Y. Y; San, P. P; Sampoorna, M; Nagendra, K. N; Ramachandran, G (Astronomical Society of the Pacific, 2009-06)
    Scattering phase matrices for forbidden lines are derived, in the presence of an external magnetic field, using the quantum electrodynamical approach. The particular case of 0 -> 2 -> 0 M2 transitions are considered and ...

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