Search Results - "Duque, C"
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Finite confinement potentials, core and shell size effects on excitonic and electron-atom properties in cylindrical core/shell/shell quantum dots
Published in Scientific reports (01-09-2022)“…The effects of confinement potentials of the first and second materials, core size and first shell thickness on the confinement of electron, electron-donor…”
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Donor impurity related optical and electronic properties of cylindrical GaAs-AlxGa1−x As quantum dots under tilted electric and magnetic fields
Published in Scientific reports (08-06-2020)“…This article makes a theoretical study of the optical and electronic properties in cylindrical GaAs-Al x Ga 1− x As quantum dots in the presence of an…”
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Neural network approaches for solving Schrödinger equation in arbitrary quantum wells
Published in Scientific reports (15-02-2022)“…In this work we approach the Schrödinger equation in quantum wells with arbitrary potentials, using the machine learning technique. Two neural networks with…”
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4
Layered graphene/GaS van der Waals heterostructure: Controlling the electronic properties and Schottky barrier by vertical strain
Published in Applied physics letters (22-10-2018)“…In this work, we construct an ultrathin graphene/GaS heterostructure and investigate its electronic properties as well as the effect of vertical strain using…”
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Properties of the second and third harmonics generation in a quantum disc with inverse square potential. A modeling for nonlinear optical responses of a quantum ring
Published in Journal of luminescence (01-06-2013)“…The calculation of the second and third harmonic generation coefficients is carried out within the framework of the effective mass approximation in…”
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6
Light flavor and heavy quark spin symmetry in heavy meson molecules
Published in Physical review. D, Particles, fields, gravitation, and cosmology (08-04-2013)“…We propose an effective field theory incorporating light SU(3)-flavor and heavy quark spin symmetry to describe charmed meson-antimeson bound states. At lowest…”
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Optical nonlinearities associated to applied electric fields in parabolic two-dimensional quantum rings
Published in Journal of luminescence (01-11-2013)“…The linear and nonlinear optical absorption as well as the linear and nonlinear corrections to the refractive index are calculated in a disc shaped quantum dot…”
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A review of regional science applications of satellite remote sensing in urban settings
Published in Computers, environment and urban systems (01-01-2013)“…► We review the uses of remote sensing in regional science research in urban settings. ► There exist a relationship between remote sensing data and…”
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S-maup: Statistical test to measure the sensitivity to the modifiable areal unit problem
Published in PloS one (27-11-2018)“…This work presents a nonparametric statistical test, S-maup, to measure the sensitivity of a spatially intensive variable to the effects of the Modifiable…”
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10
Spatial variability in streambed hydraulic conductivity of contrasting stream morphologies: channel bend and straight channel
Published in Hydrological processes (30-01-2015)“…Streambed hydraulic conductivity is one of the main factors controlling variability in surface water‐groundwater interactions, but only few studies aim at…”
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11
Exploring the Potential of Machine Learning for Automatic Slum Identification from VHR Imagery
Published in Remote sensing (Basel, Switzerland) (01-09-2017)“…Slum identification in urban settlements is a crucial step in the process of formulation of pro-poor policies. However, the use of conventional methods for…”
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12
Complexity management and multi-scale governance: A case study in an Amazonian indigenous association
Published in European journal of operational research (01-08-2018)“…•Innovative application of the Self-Transformation methodology in an indigenous community.•Effective social learning process for identifying self-governance…”
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13
Optical absorption and refractive index changes in a semiconductor quantum ring: Electric field and donor impurity effects
Published in Physica Status Solidi. B: Basic Solid State Physics (01-04-2016)“…The electron states in a two‐dimensional quantum dot ring are calculated in the presence of a donor impurity atom under the effective mass and parabolic band…”
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14
Combined effects of hydrostatic pressure and electric field on the donor binding energy, polarizability, and photoionization cross-section in double GaAs/Ga1-xAlxAs quantum dots
Published in The European physical journal. B, Condensed matter physics (2022)“…The present work focuses on the theoretical calculations of the ground-state binding energy of a shallow impurity, the impurity-related photoionization…”
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15
The impact of hydrostatic pressure and temperature on the binding energy, linear, third-order nonlinear, and total optical absorption coefficients and refractive index changes of a hydrogenic donor impurity confined in GaAs/AlxGa1−xAs double quantum dots
Published in European physical journal plus (07-07-2022)“…Within the effective-mass approximation and by using a variational approach, we introduce a theoretical study of the binding energy, the optical absorption…”
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16
Remote sensing-based measurement of Living Environment Deprivation: Improving classical approaches with machine learning
Published in PloS one (02-05-2017)“…This paper provides evidence on the usefulness of very high spatial resolution (VHR) imagery in gathering socioeconomic information in urban settlements. We…”
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17
Electric field effect on the absorption coefficient of hemispherical quantum dots
Published in Molecular Crystals and Liquid Crystals (21-09-2024)“…This study presents a simple model within the effective mass approximation to describe the effect of an external electric field on the energy structure and…”
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18
Empiric recommendations for population disaggregation under different data scenarios
Published in PloS one (16-09-2022)“…High-resolution population mapping is of high relevance for developing and implementing tailored actions in several fields: From decision making in crisis…”
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Simultaneous effects of electron-hole correlation, hydrostatic pressure, and temperature on the third harmonic generation in parabolic GaAs quantum dots
Published in Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology (01-11-2011)“…The combined effects of electron-hole correlation, hydrostatic pressure, and temperature on the third harmonic generation in disk-shaped parabolic GaAs quantum…”
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Size and shape effects on effective mass, electronic and optical properties of V-shaped quantum dot: influence of an off-center donor atom, hydrostatic pressure and temperature
Published in Journal of computational electronics (01-02-2023)“…In the present study, we discuss theoretically the role of hydrostatic pressure and temperature on the electron and light-hole states with a shallow-donor…”
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