A Molecular Field Approach to Pressure Induced Phase Transitions in Liquid Crystals : Smectic-Nematic transition

Autor: Shabnam, Sabana, DasGupta, Sudeshna, Ghoshal, Nababrata, DasGupta, Ananda, Roy, Soumen Kumar

Since a rigorous microscopic treatment of a nematic fluid system based on a pairwise interaction potential is immensely complex we had introduced a simple mean field potential which was a modification of the Maier-Saupe potential in a previous paper.

Externí odkaz: http://arxiv.org/abs/2103.01844

High accuracy Monte Carlo study of dispersion model of biaxial liquid crystals

Autor: Ghoshal, Nababrata, Pramanick, Soumyajit, DasGupta, Sudeshna, Roy, Soumen Kumar

Publikováno v: Phys. Rev. E 99, 022703 (2019)

We present a high accuracy Monte Carlo simulation study of the Isotropic - Nematic phase transition of a lattice dispersion model of biaxial liquid crystals. The NI coexistence curve terminating at the Landau critical point have been determined using

Externí odkaz: http://arxiv.org/abs/1704.04351

Physics Potential of the ICAL detector at the India-based Neutrino Observatory (INO)

Autor: The ICAL Collaboration, Ahmed, Shakeel, Athar, M. Sajjad, Hasan, Rashid, Salim, Mohammad, Singh, S. K., Inbanathan, S. S. R., Singh, Venktesh, Subrahmanyam, V. S., Behera, Shiba Prasad, Chandratre, Vinay B., Dash, Nitali, Datar, Vivek M., Kashyap, V. K. S., Mohanty, Ajit K., Pant, Lalit M., Chatterjee, Animesh, Choubey, Sandhya, Gandhi, Raj, Ghosh, Anushree, Tiwari, Deepak, Ajmi, Ali, Sankar, S. Uma, Behera, Prafulla, Chacko, Aleena, Jafer, Sadiq, Libby, James, Raveendrababu, K., Rebin, K. R., Indumathi, D., Meghna, K., Lakshmi, S. M., Murthy, M. V. N., Pal, Sumanta, Rajasekaran, G., Sinha, Nita, Agarwalla, Sanjib Kumar, Khatun, Amina, Mehta, Poonam, Bhatnagar, Vipin, Kanishka, R., Kumar, A., Shahi, J. S., Singh, J. B., Ghosh, Monojit, Ghoshal, Pomita, Goswami, Srubabati, Gupta, Chandan, Raut, Sushant, Bhattacharya, Sudeb, Bose, Suvendu, Ghosal, Ambar, Jash, Abhik, Kar, Kamalesh, Majumdar, Debasish, Majumdar, Nayana, Mukhopadhyay, Supratik, Saha, Satyajit, Acharya, B. S., Banerjee, Sudeshna, Bhattacharya, Kolahal, Dasgupta, Sudeshna, Devi, Moon Moon, Dighe, Amol, Majumder, Gobinda, Mondal, Naba K., Redij, Asmita, Samuel, Deepak, Satyanarayana, B., Thakore, Tarak, Ravikumar, C. D., Vinodkumar, A. M., Gangopadhyay, Gautam, Raychaudhuri, Amitava, Choudhary, Brajesh C., Gaur, Ankit, Kaur, Daljeet, Kumar, Ashok, Kumar, Sanjeev, Naimuddin, Md., Bari, Waseem, Malik, Manzoor A., Singh, Jyotsna, Krishnaveni, S., Ravikumar, H. B., Ranganathaiah, C., Mahapatra, Swapna, Biswas, Saikat, Chattopadhyay, Subhasis, Ganai, Rajesh, Ghosh, Tapasi, Viyogi, Y. P.

Publikováno v: Pramana - J. Phys (2017) 88 : 79

The upcoming 50 kt magnetized iron calorimeter (ICAL) detector at the India-based Neutrino Observatory (INO) is designed to study the atmospheric neutrinos and antineutrinos separately over a wide range of energies and path lengths. The primary focus

Externí odkaz: http://arxiv.org/abs/1505.07380

Effect of a rigid nonpolar solute on the splay, bend elastic constants and on rotational viscosity coefficient of 4-4^\prime -n-octyl-cyanobiphenyl

Autor: DasGupta, Sudeshna, Chattopadhyay, Pinku, Roy, Soumen Kumar

The effect of a rigid nonpolar non-mesogenic solute, ``biphenyl'' which is (C_{6}H_{5}-C_{6}H_{5}), on the splay and bend elastic constants and on the rotational viscosity coefficient of (4,4^{\prime})-n-octyl-cyano biphenyl (8CB) is reported. The ex

Externí odkaz: http://arxiv.org/abs/cond-mat/0011452

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