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- Jocelyn M Rodgers, Charanbir Kaur, Yng-Gwei Chen, John D Weeks
- Physical review letters
- 2006

Effective attraction between like-charged walls mediated by counterions is studied using local molecular field (LMF) theory. Monte Carlo simulations of the "mimic system" given by LMF theory, with short-ranged "Coulomb core" interactions in an effective single particle potential incorporating a mean-field average of the long-ranged Coulomb interactions,… (More)

- Pradip Karmakar, A. D. Munshi, T. K. Behera, Ravinder Kumar, C. Kaur, B. K. Singh
- Euphytica
- 2013

An experiment was conducted with the objectives to evaluate the breeding potential of hermaphrodite lines and to suggest suitable breeding approaches following half-diallel mating design for genetic improvement of antioxidant content and activity in ridge gourd [Luffa acutangula (Roxb.) L.] fruits. Twenty-eight genotypes, including seven parental lines and… (More)

- Charanbir Kaur, Upendra Harbola, Shankar P Das
- The Journal of chemical physics
- 2005

The empirical relation (D(*))(alpha) = a exp[S] between the self-diffusion coefficient D(*) and the excess entropy S of a liquid is studied here in the context of theoretical model calculation. The coefficient alpha is dependent on the interaction potential and shows a crossover at an intermediate density, where cooperative dynamics become more important.… (More)

- Upendra Harbola, Charanbir Kaur, Shankar P Das
- Physical review letters
- 2003

- Sunil P Singh, Charanbir Kaur, Shankar P Das
- Physical review. E, Statistical, nonlinear, and…
- 2005

The importance of the presence of a small fraction of vacancies in a crystal structure is demonstrated from considerations of thermodynamic stability. We include in the density functional theory the effects due to the distortion of the lattice structure surrounding the vacancy and show that the free energy is less when vacancies are present. Near freezing… (More)

A metastable state, characterized by a low degree of mass localization, is identified using density-functional theory (DFT). This free energy minimum, located through the proper evaluation of competing terms in the free energy functional, is independent of the specific form of the DFT used. Computer simulation results on particle motion indicate that this… (More)

- Charanbir Kaur, Shankar P Das
- Physical review letters
- 2002

The heterogeneous features of the supercooled state over different time regimes are explored in a self-consistent mode-coupling mode. The exponent a for the mean-square displacement <r(2)(t)> approximately t(a), of a tagged particle is computed. The non-Gaussian parameter alpha(2)(t) shows a peak in the short time regime in addition to a second peak over… (More)

- Charanbir Kaur, Shankar P Das
- Physical review. E, Statistical, nonlinear, and…
- 2003

The nature of the tagged particle motion in the strongly correlated state of a dense liquid is studied with the self-consistent mode-coupling model. The tagged particle time correlation function psi(s)(q,t) is computed by taking into account the nonlinear feedback effects on its dynamics from the coupling with density fluctuations. We consider the two cases… (More)

- Pradip Karmakar, A. D. Munshi, +4 authors B. K. Singh
- Agricultural Research
- 2013

With a view to develop nutritious ridge gourd variety, a field as well as a laboratory study was conducted to quantify and enumerate the genetic control for antioxidant properties and mineral content in fruits. The hybrids were found to be superior over their parents for various nutritional traits such as ascorbic acid, total carotenoids and total phenolics… (More)

- Charanbir Kaur, Shankar P Das
- Physical review. E, Statistical, nonlinear, and…
- 2002

The free energy of the supercooled liquid near freezing is studied in the density-functional approach using the modified weighted density approximation. A class of minima corresponding to heterogeneous structures characterized by weak mass localization are detected. The stability of these structures is found to be greater than the highly localized… (More)

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