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Studies on structural and third order nonlinear optical properties of bulk size DAST: an interesting organic single crystal for photonic applications
Springer Science and Business Media LLC - Tập 97 - Trang 1591-1596 - 2022
M. Manivannan, A. Saranraj, S. A. Martin Britto Dhas, M. Jose
The growth of optically good quality bulk size (35 × 9 × 8 mm3) single crystal of pure 4-N, N-dimethylamino-4-N-methyl stilbazolium tosylate (DAST) crystal was reported by adopting the conventional slow evaporation solution technique. Moreover, we have found that so far nobody has detailed this enormous size DAST crystal which isn’t yet announced in the literatures. The cell dimensions of the grow...... hiện toàn bộ
Study of structural and spectroscopic behavior of Sm3+ ions in lead–zinc borate glasses containing alkali metal ions
Springer Science and Business Media LLC - Tập 91 - Trang 677-687 - 2017
M. V. Sasi Kumar, S. Babu, B. Rajeswara Reddy, Y. C. Ratnakaram
High luminescence behavior of rare earth inorganic glasses have a variety of uses in the industry. In the past few decades, rare earth ions with characteristic photonics applications are being hosted by heavy metal oxide glasses. Among the rare earth ions Sm3+ ion has features which make it apt for high density optical storage. The authors of the paper have experimented to synthesize Sm3+ doped gl...... hiện toàn bộ
Melnikov analysis and chaos control of nonlinear dispersive KdV equation under external periodic perturbation
Springer Science and Business Media LLC - Tập 89 - Trang 273-279 - 2014
J. L. Yin, Q. Q. Xing, L. X. Tian
The behavior of non-smooth solitary waves switching to chaos is studied. Firstly, we present some singular homoclinic orbits of an unperturbed system. These singular homoclinic orbits correspond to non-smooth solutions. Secondly, we find that the peculiar solitary waves are more likely to be chaos by using the Melnikov theory. Finally, chaos thresholds under different amplitudes and frequencies of...... hiện toàn bộ
Experimental and theoretical analyses on structural (monomer and dimeric form), spectroscopic and electronic properties of an organic semiconductor 2,6-dimethoxyanthracene
Springer Science and Business Media LLC - Tập 94 - Trang 1153-1167 - 2019
K Eswar Srikanth, K Ramaiah, D Jagadeeswara Rao, K. Prabhakara Rao, J Laxman Naik, A Veeraiah, J Prashanth
In this work, a promising organic semiconductor 2,6-dimethoxyanthracene (2,6-DA) molecule was widely characterized experimentally through FTIR in the region of 4000–450 cm−1 and FT Raman in the region of 4000–50 cm−1, respectively. Theoretical calculations were performed by employing Gaussian 09 software using DFT/B3LYP/6-311++G(d,p) method. The barrier potential energy due to internal rotation op...... hiện toàn bộ
Structural and spectroscopic studies of water-alkaline earth ion micro clusters: an alternate approach using genetic algorithm in conjunction with quantum chemical methods
Springer Science and Business Media LLC - Tập 88 Số 8 - Trang 781-793 - 2014
Soumya Ganguly Neogi, Pinaki Chaudhury
Two-dimensional discrete wavelet analysis of multiparticle event topology in heavy ion collisions
Springer Science and Business Media LLC - Tập 85 Số 1 - Trang 39-44 - 2011
Dremin, I. M., Eyyubova, G. Kh., Korotkikh, V. L., Sarycheva, L. I.
The event-by-event analysis of multiparticle production in high energy hadron and nuclei collisions can be performed using the discrete wavelet transformation. The ring-like and jet-like structures in two-dimensional angular histograms are well extracted by wavelet analysis. For the first time the method is applied to the jet-like events. The jet positions are located quite well by the discrete wa...... hiện toàn bộ
The ground-state lifetime of polaron in a two-dimensional quantum pseudodot system
Springer Science and Business Media LLC - - 2019
Zhixin Li
Shock wave formation in hot nuclear matter
Springer Science and Business Media LLC - Tập 85 - Trang 793-796 - 2011
F. S. Navarra, D. A. Fogaça, L. G. Ferreira Filho
Assuming that nuclear matter can be treated as a perfect fluid, we study the propagation of perturbations in the baryon density at high temperature. The equation of state is derived from the non-linear Walecka model. The expansion of the Euler and continuity equations of relativistic hydrodynamics around equilibrium configurations lead to the breaking wave equation for the density perturbation. We...... hiện toàn bộ
Fabrication of ZnO nanorods for optoelectronic device applications
Springer Science and Business Media LLC - - 2009
Ritun Chakraborty, U. Das, Dambarudhar Mohanta, Anup Choudhury
Perturbation of shallow water waves by semi-inverse variational principle
Springer Science and Business Media LLC - Tập 87 - Trang 567-569 - 2013
A. Biswas, D. M. Milovic, S. Kumar, A. Yildirim
This paper addresses the shallow water waves along with its perturbation terms that are modeled by Boussinesq equation. The power law nonlinearity is taken into consideration for a generalized setting. The semi-inverse variational principle is employed to derive the soliton solution in presence of perturbation terms. A couple of numerical simulations illustrate the analytical development.
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