AK Sood
Articles written in Pramana – Journal of Physics
Volume 56 Issue 6 June 2001 pp 767-778 Research Articles
Photon transport in thin disordered slabs
Venkatesh Gopal S Anantha Ramakrishna AK Sood N Kumar
We examine using Monte Carlo simulations, photon transport in optically ‘thin’ slabs whose thickness
Volume 58 Issue 2 February 2002 pp 361-369
Non-resonant microwave absorption studies of superconducting MgB2 and MgB2 + MgO
Janhavi P Joshi Subhasis Sarangi AK Sood Dilip Pal SV Bhat
Non-resonant microwave absorption (NRMA) studies of superconducting MgB2 and a sample containing ∼10% by weight of MgO in MgB2 are reported. The NRMA results indicate near absence of intergranular weak links in the pure MgB2 sample. A linear temperature dependence of the lower critical field
Volume 58 Issue 4 April 2002 pp 685-694 Research Articles
Rheology of semi-dilute solutions of calf-thymus DNA
We study the rheology of semi-dilute solutions of the sodium salt of calf-thymus DNA in the linear and nonlinear regimes. The frequency response data can be fitted very well to the hybrid model with two dominant relaxation times τ0 and τ1. The ratio (τ0/τ1) ∼5 is seen to be fairly constant on changing the temperature from 20 to 30°C. The shear rate dependence of viscosity can be fitted to the Carreau model.
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