Search Results - "Das, N. A."
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Analysis of Blood Flow Bifurcation Phenomena in Mitral Valve: A Numerical Approach to Predict Cardiac Arrest
Published in Journal of applied fluid mechanics (01-03-2023)“…Employing FVM, we have investigated numerically the rheological behavior of bifurcation phenomena of blood flow at various Reynolds numbers (Re) and at various…”
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2
A Mouse Model of Orthotopic Vascularized Aerated Lung Transplantation
Published in American journal of transplantation (01-06-2007)“…Outcomes after lung transplantation are markedly inferior to those after other solid organ transplants. A better understanding of cellular and molecular…”
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3
Study of the one-dimensional Holstein model with next-nearest-neighbor hopping
Published in Journal of physics. Condensed matter (19-01-2011)“…We present the effect of next-nearest-neighbor hopping on Holstein polarons. The energy and wavefunction of the ground state and first excited state are…”
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4
Flow Bifurcation Phenomena of Shear-Thinning and Newtonian Fluids in a Rectangular Channel in Presence of Intermediate Steps: using Carreau-Yasuda Model
Published in Journal of applied fluid mechanics (01-07-2021)“…Flow bifurcation transitions of shear-thinning fluid and Newtonian fluid, flow through a two-dimensional rectangular channel in presence of intermediate steps…”
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5
Effect of disorder and isotope on the properties of a two orbital double exchange system
Published in Physica. B, Condensed matter (01-08-2009)“…A two-site single electron double exchange model incorporating orbital degeneracy, superexchange and electron–phonon (e–ph) interaction is studied using exact…”
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6
Studies on the Dust–Ion–Acoustic Solitary Wave in Planar and Non-Planar Super-Thermal Plasmas with Trapped Electrons
Published in Plasma physics reports (01-06-2022)“…The propagation of dust–ion–acoustic wave (DIAW) in an unmagnetized collisional dusty plasma comprised from mobile ions, negative dust particles, and…”
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Studies on Ion-Acoustic Solitary Waves in Plasmas with Positrons and Two-Temperature Superthermal Electrons through Damped Zakharsov–Kuznetsov–Burgers Equation
Published in Plasma physics reports (01-04-2023)“…Propagation of ion-acoustic compressive and rarefactive solitary waves has been studied in a magnetized collisional plasma comprising ions, positrons, dust…”
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Studies of bosons in optical lattices in a harmonic potential
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-05-2007)“…We present a theoretical study of Bose condensation and specific heat of non-interacting bosons in finite lattices in harmonic potentials in one, two, and…”
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9
Aerodynamic Drag Reduction of 3D Printed Bus Model and Substantiation Using Wind Tunnel
Published in Journal of the Institution of Engineers (India): Series D (2024)“…The improvement of fuel efficiency in intercity/interstate buses is very much essential to enhance the performance of the buses. Various add-on devices are…”
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10
Effect of Split and Re-Entrant Type Piston Bowl Geometry and Preheated Calophyllum Inophyllum Methyl Ester on the Conventional CI Engine Performance
Published in Journal of the Institution of Engineers (India): Series D (2024)“…This study focuses on improving the performance and reducing the exhaust emissions of diesel engine by modifying the piston bowl geometry and introducing…”
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11
Stability of Holstein and Fröhlich bipolarons
Published in Physical review. B, Condensed matter and materials physics (21-06-2012)“…We have investigated bipolaron formation in the Holstein-Hubbard and the Frohlich-Hubbard model on a discrete one-dimensional lattice. Phonon enriched basis…”
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12
A Multiscale Assembly and Packaging System for Manufacturing of Complex Micro-Nano Devices
Published in IEEE transactions on automation science and engineering (01-01-2012)“…Reliable manufacturability has always been a major issue in commercialization of complex and heterogeneous microsystems. Though successful for simpler and…”
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13
Bose-Einstein condensation in tight-binding bands
Published in Physical review. B, Condensed matter and materials physics (01-09-2005)“…We present a theoretical study of the condensation of bosons in tight-binding bands corresponding to simple cubic, body-centered cubic, and face-centered cubic…”
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14
Role of the superexchange interaction in magnetic transition and polaron crossover
Published in Physica. B, Condensed matter (01-05-2004)“…The Hubbard–Holstein model is studied including double-exchange interaction and superexchange interaction using a variational phonon basis obtained through the…”
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15
Effect of different site energies on polaronic properties
Published in The European physical journal. B, Condensed matter physics (01-08-2005)Get full text
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16
Polaron cross-overs and d-wave superconductivity in Hubbard-Holstein model
Published in The European physical journal. B, Condensed matter physics (01-09-2004)Get full text
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17
Two-site two-electron generalized Hubbard–Holstein model: a perturbation study
Published in Solid state communications (2004)“…The two-site two-electron generalized Hubbard–Holstein model is studied within a perturbation method based on a variational phonon basis obtained through the…”
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18
Lattice bosons in a quasi-disordered environment: The effects of next-nearest-neighbor hopping on localization and Bose–Einstein condensation
Published in Physica A (01-05-2014)“…We present a theoretical study of the effects of the next-nearest-neighbor (NNN) hopping (t2) on the properties of non-interacting bosons in optical lattices…”
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19
Perturbative expansion using a variational phonon basis for the Holstein model
Published in Solid state communications (01-04-2003)“…A simple variational displacement phonon basis, obtained through the modified Lang–Firsov (MLF) transformation, is proposed to study the Holstein model. This…”
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20
Lattice bosons in a quasi-disordered environment
Published in Physica A (01-10-2013)“…In this paper, we study non-interacting bosons in a quasi-disordered one-dimensional optical lattice in a harmonic potential. We consider the case of…”
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