Search Results - "Ghosh, Subhasree"
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Picosecond Bessel Beam Fabricated Pure, Gold-Coated Silver Nanostructures for Trace-Level Sensing of Multiple Explosives and Hazardous Molecules
Published in Materials (11-06-2022)“…A zeroth-order, non-diffracting Bessel beam, generated by picosecond laser pulses (1064 nm, 10 Hz, 30 ps) through an axicon, was utilized to perform pulse…”
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Method of successive approximation and its application in chemistry
Published in Indian journal of physics (01-07-2021)“…Successive approximation, a method of solving mathematical problems by means of sequence of approximation that converges to the solution, has been reviewed…”
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Heterogeneous Macromolecular crowding effect on nucleation-independent fibril formation of Lysozyme: Spectroscopic analysis of Structure, Stability, and fibrillation rate
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-07-2024)“…[Display omitted] •Studied effect of homotypic and heterotypic crowding on fibril rate and stability.•In mixed crowders fibril rate is comparable or slower…”
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Model two states dynamics of photo‐detachment [F‐H‐F]− induced by an optimally designed polychromatic field
Published in International journal of quantum chemistry (05-08-2024)“…Photo‐detachment of electron from [F‐H‐F]−$$ {}^{-} $$ to generate neutral [F‐H‐F] has been studied in this article. Neutral HF2$$ {\mathrm{HF}}_2 $$ has a…”
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Dissociation of HF molecule in position and momentum representation by an optimally controlled polychromatic field: study in the dual space using simulated annealing
Published in Molecular physics (17-11-2022)“…Complementarity of position and momentum representation is at the heart of quantum mechanics. Dissociation of diatomic molecule can be investigated and…”
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Spectroscopic studies on the stability and nucleation-independent fibrillation of partially-unfolded proteins in crowded environment
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-01-2022)“…[Display omitted] •Stability and fibrillation of partially-unfolded proteins in PEG is studied.•PEG stabilizes lysozyme, decreases rate of fibrillation at…”
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A two state model study of photo‐detachment dynamics driven by an optimally designed polychromatic field: A simulated annealing based optimisation
Published in International journal of quantum chemistry (05-08-2021)“…The surfaces of F2− and F2 are two well separated surfaces modeled by two Morse potentials. In presence of a field, these two surfaces couple and transition…”
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Simulated annealing‐based optimal control over tunneling process through SDWP and Eckart barrier: A momentum basis representation
Published in International journal of quantum chemistry (05-08-2017)“…For a reaction to proceed via tunneling mechanism, it is essential that the reactants will cross the potential barrier (EP), where its initial energy (E0) is…”
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Controlling the isomerization dynamics of iodide acetonitrile dimer complex by optimally designed electromagnetic field: A wave packet based approach
Published in International journal of quantum chemistry (15-07-2019)“…Both symmetric and asymmetric forms of the iodide acetonitrile dimer complex are known to exist with a higher stability shown by the symmetric isomer. Dynamics…”
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Synergistic Effect of Charged Amino Acids on the Stability and Fibril Formation of Lysozyme
Published in ChemistrySelect (Weinheim) (06-11-2023)“…Osmolytes alter the stability and aggregation of proteins. The effect of mixture of osmolytes is generally not a simple additive of their individual effects…”
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Simulated annealing‐based optimal control over tunneling process through SDWP and E ckart barrier: A momentum basis representation
Published in International journal of quantum chemistry (05-08-2017)“…Abstract For a reaction to proceed via tunneling mechanism, it is essential that the reactants will cross the potential barrier ( E P ), where its initial…”
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The effect of stochastic barrier fluctuation on semiclassical transmission probability and Shannon entropy of a symmetric double well potential
Published in International journal of quantum chemistry (05-09-2018)“…Stochastic fluctuation of barrier height and width of a symmetric double well plays a very significant role in the corresponding dynamics by increasing the…”
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Optimised polychromatic field-mediated suppression of H-atom tunnelling in a coupled symmetric double well: two-dimensional malonaldehyde model
Published in Molecular physics (02-12-2015)“…The cis-cis isomerisation motion of malonaldehyde can be modelled as a symmetric double well coupled with an asymmetric double well, which includes the effect…”
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Coherent destruction of tunneling with optimally designed polychromatic external field
Published in Chemical physics (08-11-2013)“…[Display omitted] •We design polychromatic fields causing CDT.•The field intensity is kept very low (∼105a.u).•We have used Floquet analysis for determining…”
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Excitations in doped quantum dot driven by discontinuously and randomly reversing electric field: Influence of impurity
Published in Chemical physics (09-12-2010)“…We explore the excitation profile of a repulsive impurity doped quantum dot. The dopant impurity potential chosen assumes Gaussian form. The quantum dot is…”
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Tunneling in 2-D quantum dots via quantum adiabatic switching route
Published in The Journal of physics and chemistry of solids (01-05-2010)“…We explore the phenomenon of tunneling in single carrier 2-D quantum dot by quantum adiabatic switching route. The confinement in the y-direction is kept…”
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Reappraisal of the Role of Size-Extensive Normalization for Multireference Coupled Cluster (MRCC) Theory Using General Model Space: A Valence Universal MRCC Approach
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (22-12-2005)“…We present a brief description of a valence-universal multireference coupled cluster (VU-MRCC) theory that can handle completely general incomplete model…”
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Excitations in doped quantum dot insisted by discontinuous reversals of static electric field: Interplay between pulse and dopant site
Published in Superlattices and microstructures (2012)“…[Display omitted] ► The excitation profile of quantum dot subject to discontinuously reversing static electric field has been investigated. ► The quantum dot…”
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An externally-corrected size-extensive single-root MRCC formalism: Its kinship with the rigorously size-extensive state-specific MRCC theory
Published in Journal of molecular structure. Theochem (12-10-2006)“…The rigorously size-extensive intruder-free state-specific multi-reference coupled cluster theory (SSMRCC) developed by Mukherjee and coworkers [J. Chem. Phys…”
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