中文
相关论文

相关论文: Benchmark potential energy curve for collinear H$_…

200 篇论文

Nucleus-nucleus optical potentials are constructed from an energy density functional approach first outlined by Brueckner et al. The interaction term of the energy density functional comes from the complex nucleon self-energy computed in…

核理论 · 物理学 2022-10-07 T. R. Whitehead

The previously proposed Heisenberg-type relation $ E_c t_c >> \hbar {\cal C}$ for the energy used by a quantum computer, the total computation time and the logical ("classical") complexity of the problem is verified for the following…

量子物理 · 物理学 2007-05-23 Robert Alicki

We present a hybrid quantum classical neural network that can be trained to perform electronic structure calculation and generate potential energy curves of simple molecules. The method is based on the combination of parameterized quantum…

量子物理 · 物理学 2020-07-31 Rongxin Xia , Sabre Kais

A charged particle (electron or hole) confined in nanorod of strongly prolate ellipsoidal shape is considered. The effective-mass Schr\"odinger equation is solved in prolate spheroidal coordinates and asymptotically exact expressions for…

介观与纳米尺度物理 · 物理学 2013-11-27 T. Kereselidze , T. Tchelidze , T. Nadareishvili

The Schroedinger equation is solved exactly within the Born-Oppenheimer approximation for a simulacrum of the $H_3^{++}$-ion. The ion is assumed to form an isosceles triangle and the ground state energy is obtained over its geometrical…

量子物理 · 物理学 2014-03-12 M. L. Glasser

In this paper, we study a conjugate gradient method for electronic structure calculations. We propose a Hessian based step size strategy, which together with three orthogonality approaches yields three algorithms for computing the ground…

数值分析 · 数学 2017-08-30 Xiaoying Dai , Zhuang Liu , Liwei Zhang , Aihui Zhou

Quantum computing algorithms have been shown to produce performant quantum kernels for machine-learning classification problems. Here, we examine the performance of quantum kernels for regression problems of practical interest. For an…

量子物理 · 物理学 2024-09-30 Xuyang Guo , Jun Dai , Roman V. Krems

We consider the problem of numerically solving the Schr\"odinger equation with a potential that is quasi periodic in space and time. We introduce a numerical scheme based on a newly developed multi-time scale and averaging technique. We…

混沌动力学 · 物理学 2016-07-26 Tal Kachman , Shmuel Fishman , Avy Soffer

By the use of the variational method with exponential trial functions the upper and lower bounds of energy are calculated for a number of non-relativistic three-body Coulomb and nuclear systems. The formulas for calculation of upper and…

原子物理 · 物理学 2007-05-23 A. G. Donchev , N. N. Kolesnikov , V. I. Tarasov

In electronic structure calculations, the correlation energy is defined as the difference between the mean field and the exact solution of the non relativistic Schr\"odinger equation. Such an error in the different calculations is not…

量子物理 · 物理学 2022-04-04 Kumar J. B. Ghosh , Sabre Kais , Dudley R. Herschbach

In the present work we establish a quantization result for the angular part of the energy of solu- tions to elliptic linear systems of Schr\"odinger type with antisymmetric potentials in two dimension. This quantization is a consequence of…

偏微分方程分析 · 数学 2015-03-19 Paul Laurain , Tristan Riviere

The purpose of this Comment is to show that the solutions to the zero energy Schr\"odinger equations for monomial central potentials discussed in a recently published Letter, may also be obtained from the corresponding free particle…

广义相对论与量子宇宙学 · 物理学 2016-08-15 Sergio A. Hojman , Darío Núñez

The optimal charging infrastructure planning problem over a large geospatial area is challenging due to the increasing network sizes of the transportation system and the electric grid. The coupling between the electric vehicle travel…

人工智能 · 计算机科学 2020-11-20 Wanshi Hong , Cong Zhang , Cy Chan , Bin Wang

A method is developed for generating pseudopotentials for use in correlated-electron calculations. The paradigms of shape and energy consistency are combined and defined in terms of correlated-electron wave-functions. The resulting energy…

材料科学 · 物理学 2017-05-26 John R. Trail , Richard J. Needs

A numerical method for solving Schrodinger's equation based upon a Baker-Campbell-Hausdorff (BCH) expansion of the time evolution operator is presented herein. The technique manifestly preserves wavefunction norm, and it can be applied to…

量子物理 · 物理学 2007-05-23 Peter Cho , Karl Berggren

By employing the concept of conformable fractional Nikiforv-Uvarov (NU) method, we solved the fractional Schrodinger equation with the screened Kratzer potential (SKP). By applying the Greene-Aldrich approximation and a coordinate…

化学物理 · 物理学 2021-03-29 U. S. Okorie , A. N. Ikot , P. O. Amadi , G. J. Rampho

We review various effective potential methods which have been useful to compute the Higgs mass spectrum and couplings of the minimal supersymmetric standard model. We compare results where all-loop next-to-leading-log corrections are…

高能物理 - 唯象学 · 物理学 2007-05-23 M. Quirós

We obtain the exact energy spectra and corresponding wave functions of the radial Schr\"odinger equation (RSE) for any (n,l) state in the presence of a combination of psudoharmonic, Coulomb and linear confining potential terms using an…

量子物理 · 物理学 2011-10-04 Sameer M. Ikhdair

We introduce a machine learning model to predict atomization energies of a diverse set of organic molecules, based on nuclear charges and atomic positions only. The problem of solving the molecular Schr\"odinger equation is mapped onto a…

In light of major developments over the past decades in both quantum computing and simulations on classical hardware, it is a serious challenge to identify a real-world problem where quantum advantage is expected to appear. In quantum…