A tunable solid-on-solid model of surface growth (2008)
Narasimhan, S. L., Baumgaertner, A.
We have performed a detailed Monte Carlo study of a diffusionless $(1+1)$-dimensional solid-on-solid model of particle deposition and evaporation that not only tunes the roughness of an equilibrium...
Flat Energy histogram version for Interacting Growth Walk (2007)
Ponmurugan, M., Sridhar, V., Narasimhan, S. L., Murthy, K. P. N.
Interacting Growth Walks is a recently proposed stochastic model for studying the coil-globule transition of linear polymers. We propose a flat energy histogram version for Interacting Growth Walk....
Narasimhan, S. L., Krishna, P. S. R., Ponmurugan, M., Murthy, K. P. N.
We have explained in detail why the canonical partition function of Interacting Self Avoiding Walk (ISAW), is exactly equivalent to the configurational average of the weights associated with growth...
Coil-Globule transition of a single short polymer chain - an exact enumeration study (2007)
Ponmurugan, M., Narasimhan, S. L., Krishna, P. S. R., Murthy, K. P. N.
We present an exact enumeration study of short SAWs in two as well as three dimensions that addresses the question, `what is the shortest walk for which the existence of all the three phases - coil,...
Is Kinetic Growth Walk equivalent to canonical Self Avoiding Walk? (2006)
Ponmurugan, M., Narasimhan, S. L., Murthy, K. P. N.
We present a Monte Carlo study of Kinetic Growth Walk on square as well as triangular lattice to show that it is not equivalent to canonical Self Avoiding Walk.
Fast Condensation in a tunable Backgammon model (2006)
We present a Monte Carlo study of the Backgammon model, at zero temperature, in which a departure box is chosen at random with a probability proportional to $(2\omega - 1)k + (1 - \omega)N$, where...
Can coarse-graining introduce long-range correlations in a symbolic sequence? (2004)
Narasimhan, S. L., Nathan, Joseph A., Murthy, K. P. N.
We present an exactly solvable mean-field-like theory of correlated ternary sequences which are actually systems with two independent parameters. Depending on the values of these parameters, the...
A formalism for studying long-range correlations in many-alphabets sequences (2004)
Narasimhan, S. L., Nathan, Joseph A., Krishna, P. S. R., Murthy, K. P. N.
We formulate a mean-field-like theory of long-range correlated $L$-alphabets sequences, which are actually systems with $(L-1)$ independent parameters. Depending on the values of these parameters,...
Interacting Growth Walk - a model for hyperquenched homopolymer glass? (2002)
Narasimhan, S. L., Krishna, P. S. R., Rajarajan, A. K., Murthy, K. P. N.
We show that the compact self avoiding walk configurations, kinetically generated by the recently introduced Interacting Growth Walk (IGW) model, can be considered as members of a canonical ensemble...
Interacting Growth Walk on a honeycomb lattice (2002)
Narasimhan, S. L., Krishna, P. S. R., Ramanadham, M., Murthy, K. P. N., Sridhar, V.
The Interacting Growth Walk (IGW) is a kinetic algorithm proposed recently for generating long, compact, self avoiding walks. The growth process in IGW is tuned by the so called growth temperature...
Protein folding simulations with Interacting Growth Walk model (2001)
Narasimhan, S. L., Krishna, P. S. R., Ramanadham, M., Murthy, K. P. N., Chidambaram, R.
We demonstrate that the recently proposed interacting growth walk (IGW) model, modified for generating self-avoiding heteropolymers, proves to be a simpler alternative to the other Monte Carlo...
Comment on "Peculiar Scaling of Self-Avoiding Walk Contacts" (2001)
Narasimhan, S. L., Krishna, P. S. R., Murthy, K. P. N., Ramanadham, M.
We demonstrate that the recently proposed Interacting Growth Walk (cond-mat/0108097) does not have the contact-scaling behaviour of Self-Avoiding Walk (M. Baiesi, E. Orlandini and A. L. Stella, Phys....
A new monte carlo algorithm for growing compact Self Avoiding Walks (2001)
Narasimhan, S. L., Krishna, P. S. R., Murthy, K. P. N., Ramanadham, M.
We propose an algorithm based on local growth rules for kinetically generating self avoiding walk configurations at any given temperature. This algorithm, called the Interacting Growth Walk (IGW)...
Sticky Spheres, Entropy barriers and Non-equilibrium phase transitions (2001)
Narasimhan, S. L., Krishna, P. S. R., Murthy, K. P. N.
A sticky spheres model to describe slow dynamics of a non-equilibrium system is proposed. The dynamical slowing down is due to the presence of entropy barriers. We present an exact mean field...
A direct observation of tunnelling states in molecular solids with random internal strains (1997)
Goyal, P S, Narasimhan, S L, Inaba, A, Kagunya, W, Carlile, C J
Temperature and pressure dependence of rotational tunnelling in NH4-alkali halide mixtures (1993)
Mukhopadhyay, R, Goyal, P S, Dasannacharya, B A, Narasimhan, S L, Carlile, C J, Tomkinson, J
SANS from micellar solutions of CTAB and sodium salicylate (1989)
Goyal, P S, Chakravarthy, R, Dasannacharya, B A, Desa, J A E, Kelkar, V K, Manohar, C, ...
Abscess due to Mycobacterium fortuitum :case report with review (1974)
Mukhopadhya, C.C., Das Gupta, L.R., Narasimhan, S.L., Balakrishna Sharma, V.N.
A case of post-injection abscess caused by Mycobacterium fortuitum is described. The organism was repeatedly isolated in pure growth from the aspirated pus. Detailed laboratory tests were performed...