Search Results - "Sarsa, Antonio"
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Effects of size on the spectrum and stability of a confined on-center Hydrogen atom
Published in Physica scripta (01-12-2022)“…Abstract In this work we studied the problem of the stability of confined atoms when they are released from confinement. We analyzed the confined Hydrogen atom…”
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Confined orbitals in fullerenes and quantum dots calculated by analytic continuation method
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-03-2021)“…The Schrödinger equation with a Gaussian potential to model a confined system as a quantum dot or a hydrogen atom inside a fullerene is solved by using the…”
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On- and off-center helium atom in a spherical multilayer quantum dot with parabolic confinement
Published in European physical journal plus (24-05-2023)“…The ground state energy of a helium atom inside a spherical multilayer quantum dot as a function of the atomic impurity location inside the quantum dot has…”
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A Molecular Dynamics Study of the Surfactant Surface Density of Alkanethiol Self-Assembled Monolayers on Gold Nanoparticles as a Function of the Radius
Published in Journal of physical chemistry. C (16-12-2010)“…Atomistic molecular dynamics calculations of self-assembled monolayers of alkanethiol molecules on gold nanoparticles are carried out to determine the surface…”
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Partial Separability of the Schrödinger Equation Combined with a Jastrow Factor
Published in Journal of chemical theory and computation (28-11-2023)“…Describing the Coulomb interactions between electrons in atomic or molecular systems is an important step to help us obtain accurate results for the different…”
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Variational Monte Carlo Method with Dirichlet Boundary Conditions: Application to the Study of Confined Systems by Impenetrable Surfaces with Different Symmetries
Published in Journal of chemical theory and computation (13-09-2011)“…Variational Monte Carlo method is a powerful tool to determine approximate wave functions of atoms, molecules, and solids up to relatively large systems. In…”
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Ionisation and excitation probabilities of a hydrogen atom suddenly released from penetrable confinement
Published in Molecular physics (03-07-2019)“…The problem of the stability of the hydrogen atom when it is released from a confining environment is studied. The stability is analysed in terms of excitation…”
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Confinement effects on the electronic structure of M‐shell atoms: A study with explicitly correlated wave functions
Published in International journal of quantum chemistry (05-10-2017)“…The ground and some excited states of Na and Mg atoms confined at the center of a spherical box with impenetrable walls are studied. Variational wave functions…”
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A practical method for plasma diagnosis with Balmer series hydrogen lines
Published in Spectrochimica acta. Part B: Atomic spectroscopy (01-01-2020)“…Hydrogen Balmer series lines have been widely used to determine characteristic plasma parameters such as electron density. These parameters are related to…”
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Isotopic Effects on Covalent Bond Confined in a Penetrable Sphere
Published in The journal of physical chemistry. B (12-11-2015)“…A model of confinement of the covalent bond by a finite potential beyond the Born–Oppenheimer approximation is presented. A two-electron molecule is located at…”
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Ionization probability of the hydrogen atom suddenly released from confinement
Published in International journal of quantum chemistry (15-06-2018)“…The problem of the stability of a confined atom when it is extracted from the confining cavity has been investigated, modeled by a spherical hard wall…”
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Structure, rotational dynamics, and superfluidity of small OCS-doped He clusters
Published in Physical review letters (11-04-2003)“…The structural and dynamical properties of carbonyl sulfide (OCS) molecules solvated in helium clusters are studied using reptation quantum Monte Carlo, for…”
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(HCl)2 and (HF)2 in small helium clusters: quantum solvation of hydrogen-bonded dimers
Published in The Journal of chemical physics (08-12-2005)“…We present a rigorous theoretical study of the solvation of (HCl)(2) and (HF)(2) by small ((4)He)(n) clusters, with n=1-14 and 30. Pairwise-additive…”
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Analysis and design of an inverted oscillating water column for energy storage under choked flow conditions
Published in Energy (Oxford) (15-12-2023)“…A novel idealised system based on an inverted, oscillating water column (iOWC) immersed in a mass of water as a potential mechanism for energy storage has been…”
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HF dimer in small helium clusters: interchange-tunneling dynamics in a quantum environment
Published in Physical review letters (25-03-2002)“…We present diffusion quantum Monte Carlo calculations of the interchange tunneling splitting of (4)He(n)(HF)(2) clusters, n = 1-10. The tunneling splitting…”
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A Monte Carlo model of the nocturnal surface temperatures in urban canyons
Published in Boundary-layer meteorology (01-09-2000)“…A model for the urban canyon is formulated for meteorologicalconditions of weak winds at night time. Thermal radiation, conductivity and convection are…”
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Variational Monte Carlo calculation of two body properties in atoms: Importance sampling considerations
Published in Computer physics communications (01-09-1999)“…Accurate determination of atomic and molecular properties is a long held but elusive goal of many-body theories. Significant progress has been made for small…”
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Structure, rotational dynamics, and superfluidity of small OCS-doped He clusters
Published 12-12-2002“…The structural and dynamical properties of OCS molecules solvated in Helium clusters are studied using reptation quantum Monte Carlo, for cluster sizes n=3-20…”
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