Search Results - "Mahapatra, D. P."
-
1
A random walk Monte Carlo simulation study of COVID-19-like infection spread
Published in Physica A (15-07-2021)“…Recent analysis of early COVID-19 data from China showed that the number of confirmed cases followed a subexponential power-law increase, with a growth…”
Get full text
Journal Article -
2
Narrow band UV emission from direct bandgap Si nanoclusters embedded in bulk Si
Published in Journal of physics. Condensed matter (24-02-2010)“…We report on the formation of UV emitting Si nanoclusters (NCs) in Si, using a two stage Au implantation technique. These Si NCs, with an average size of 2 nm,…”
Get more information
Journal Article -
3
Towards predicting COVID-19 infection waves: A random-walk Monte Carlo simulation approach
Published in Chaos, solitons and fractals (01-03-2022)“…•Two-dimensional random walk Monte Carlo simulations are used to investigate COVID-19 infection spread through contact interactions.•Our simulations are shown…”
Get full text
Journal Article -
4
pT spectra in pp and AA collisions at RHIC and LHC energies using the Tsallis-Weibull approach
Published in The European physical journal. A, Hadrons and nuclei (01-04-2018)“… The Tsallis q -statistics have been incorporated in the Weibull model of particle production, in the form of q -Weibull distribution, to describe the…”
Get full text
Journal Article -
5
Observation of a universal aggregation mechanism and a possible phase transition in Au sputtered by swift heavy ions
Published in Physical review letters (20-06-2008)“…Two exponents delta for the size distribution of n-atom clusters, Y(n) approximately n{-delta}, have been found in Au clusters sputtered from embedded Au…”
Get full text
Journal Article -
6
Size saturation in low energy ion beam synthesized Au nanoclusters and their size redistribution with O irradiation
Published in Thin solid films (01-12-2005)“…Embedded Au nanoparticles have been produced in ordinary silica glass by high dose 32 keV Au − ion implantation. Samples implanted with doses higher than 1 ×…”
Get full text
Journal Article -
7
A new logistic growth model applied to COVID-19 fatality data
Published in Epidemics (01-12-2021)“…Recent work showed that the temporal growth of the novel coronavirus disease (COVID-19) follows a sub-exponential power-law scaling whenever effective control…”
Get full text
Journal Article -
8
Plausible explanation for the third COVID-19 wave in India and its implications
Published in Infectious disease modelling (01-03-2023)“…Recently some of us used a random-walk Monte Carlo simulation approach to study the spread of COVID-19. The calculations were reasonably successful in…”
Get full text
Journal Article -
9
Effect of implanted O on gettering of Au at dislocations in Si
Published in Materials science & engineering. B, Solid-state materials for advanced technology (15-04-2006)“…The effect of implanted O on gettering of Au at dislocations in Si has been studied. FZ Si(1 1 1) wafers, implanted with Au (1.5 MeV, 2.2 × 1 0 15 atoms cm…”
Get full text
Journal Article -
10
SIZE DISTRIBUTION OF POSSIBLE DUST CARRIERS FOR THE EXTENDED RED EMISSION
Published in The Astrophysical journal (01-08-2014)“…Power-law size distributions expected to be applicable to possible carriers of extended red emission (ERE) have been examined using Monte Carlo (MC)…”
Get full text
Journal Article -
11
Transverse energy per charged particle and freeze-out criteria in heavy-ion collisions
Published in Physics letters. B (21-02-2008)“…In relativistic nucleus–nucleus collisions the transverse energy per charged particle, ET/Nch, increases rapidly with beam energy and remains approximately…”
Get full text
Journal Article -
12
A simple optical fibre-linked remote control system for multiple devices
Published in Sadhana (Bangalore) (01-08-2005)“…We report on the development of a simple control system which can handle multiple devices through an optical fibre data link. The devices are controlled using…”
Get full text
Journal Article -
13
Towards predicting COVID-19 infection waves: A random-walk Monte Carlo simulation approach
Published 13-01-2022“…Chaos, Solitons & Fractals, 156, 111785 (2022) Phenomenological and deterministic models are often used for the estimation of transmission parameters in an…”
Get full text
Journal Article -
14
A random walk Monte Carlo simulation study of COVID-19-like infection spread
Published 10-04-2021“…Physica A , 574,126014 (2021) Recent analysis of early COVID-19 data from China showed that the number of confirmed cases followed a subexponential power-law…”
Get full text
Journal Article -
15
A new logistic growth model applied to COVID-19 fatality data
Published 20-11-2021“…Epidemics, Volume 37, 100515 (2021) Background: Recent work showed that the temporal growth of the novel coronavirus disease (COVID-19) follows a…”
Get full text
Journal Article -
16
Characterization of microstructures formed on MeV ion-irradiated silver films on Si(1 1 1) surfaces
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-07-2001)“…Ag epitaxial layers on silicon single crystal surfaces, upon MeV Si ion irradiation, undergo improvement in crystalline quality. This is often associated with…”
Get full text
Journal Article -
17
Saturation effects observed in high fluence heavy ion implantation at few tens of keV
Published in Vacuum (2009)“…Effect of implantation fluence on the total number of metal atoms incorporated in a host matrix at few tens of keV beam energy has been studied experimentally…”
Get full text
Journal Article -
18
The accelerator mass spectrometer facility at the Institute of Physics, Bhubaneswar (MUDRA, MUltiDisciplinary Research Accelerator)
Published in Current science (Bangalore) (10-07-1998)“…This article reports on the augmentation of the 3 MV tandem accelerator in the Institute of Physics, Bhubaneswar into a state-of-the-art accelerator mass…”
Get full text
Journal Article -
19
Growth and alignment of gold silicide islands on Br-passivated vicinal Si(111) surfaces
Published in Surface science (20-09-1995)“…Growth of gold silicide islands on bromine-passivated Si(111) substrates have been studied by Rutherford backscattering spectrometry, optical microscopy,…”
Get full text
Journal Article -
20
Defects in the ion-beam-synthesized epitaxial Si/CoSi2/ Si(111) system
Published in Philosophical magazine letters (01-06-1996)“…Rutherford back-scattering spectrometry and channelling experiments have been carried out with 1.9-3.7MeV He2+ ions on an ion-beam-synthesized epitaxial…”
Get full text
Journal Article