English
Related papers

Related papers: Volume change of bulk metals and metal clusters du…

200 papers

In the framework of spherical geometry for jellium and local spin density approximation, we have obtained the equilibrium $r_s$ values, $\bar{r}_s(N,\zeta)$, of neutral and singly ionized "generic" $N$-electron clusters for their various…

Condensed Matter · Physics 2009-10-31 M. Payami

We have used the stabilized spin-polarized jellium model to calculate the equilibrium sizes of metal clusters. Our self-consistent calculations in the local spin-density approximation show that for an $N$-electron cluster, the equilibrium…

Atomic and Molecular Clusters · Physics 2015-06-26 M. Payami

In this paper, we have considered the mechanical stability of a jellium system in the presence of spin degrees of freedom and have generalized the stabilized jellium model, introduced by J. P. Perdew, H. Q. Tran, and E. D. Smith [Phys. Rev.…

Materials Science · Physics 2009-10-30 M. Payami , N. Nafari

In this work we have applied the recently formulated self-compressed inhomogeneous stabilized jellium model [M. Payami and T. Mahmoodi, Can. J. Phys. {\bf 89}, 967 (2011)] to describe the equilibrium electronic and geometric properties of…

Materials Science · Physics 2017-09-22 M. Payami , T. Mahmoodi

In this work, we have shown the important role of the finite-size correction to the work function in predicting the correct positions of the centroid of excess charge in positively charged simple metal clusters with different $r_s$ values…

Condensed Matter · Physics 2007-05-23 M. Payami

To understand the electronic shell- and supershell-structure in large metal clusters we have performed self-consistent calculations in the homogeneous, spherical jellium model for a variety of different materials. A scaling analysis of the…

Condensed Matter · Physics 2009-10-28 Erik Koch

The interlayer spacings near the surface of a crystal are different from that of the bulk. As a result, the value of the ionic density in the normal direction and near to the surface shows some oscillations around the bulk value. To…

Materials Science · Physics 2015-05-18 M. Payami , T. Mahmoodi

We revisit the problem of the spontaneous magnetization of an {\em sp} impurity atom in a simple metal host. The main features of interest are: (i) Formation of the spherical spin density/charge density wave around the impurity; (ii)…

Materials Science · Physics 2009-11-11 V. U. Nazarov , C. S. Kim , Y. Takada

Jellium model achieved great success in predicting stable clusters with closed electronic shells and zero spin. In order to explain the stability of open shell clusters, it is necessary to consider the case of non-degenerate energy levels.…

Materials Science · Physics 2022-09-30 Jin Liu , Zhi-Jie Yan , YI-Chao Jin , Meng Zhang

We show an application of the functional-renormalization-group aided density functional theory to the homogeneous electron gas with arbitrary spin polarization, which gives the energy density functional in the local spin density…

Strongly Correlated Electrons · Physics 2022-01-12 Takeru Yokota , Tomoya Naito

Magnetism in bare uncapped gold nano-clusters is explored from a density functional theory perspective with scalar relativistic effects included via the pseudo-potential. The computed electronic structures of various nano-clusters reveal…

Materials Science · Physics 2007-05-23 R. J. Magyar , V. Mujica , M. Marquez , C. Gonzalez

In this work, we have used the exchange-only optimized effective potential in the self-consistent calculations of the density functional Kohn-Sham equations for simple metal clusters in stabilized jellium model with self-compression. The…

Atomic and Molecular Clusters · Physics 2009-11-11 M. Payami

I present some simple exactly solvable models of spin diffusion caused by synchrotron radiation noise in storage rings. I am able to use standard stochastic differential equation and Fokker-Planck methods and I thereby introduce, and…

Accelerator Physics · Physics 2008-02-03 K. Heinemann

We present the combined analysis of the metal content of 83 objects in the redshift range 0.09-1.39, and spatially-resolved in the 3 bins (0-0.15, 0.15-0.4, >0.4) R500, as obtained with similar analysis using XMM-Newton data in Leccardi &…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 S. Ettori , A. Baldi , I. Balestra , F. Gastaldello , S. Molendi , P. Tozzi

In this work we deal with the critical behavior of the bulk viscosity in the linear sigma model (LSM) as an example of a system which can be treated by using different techniques. Starting from the Boltzmann-Uehling-Uhlenbeck equation we…

High Energy Physics - Phenomenology · Physics 2013-05-30 Antonio Dobado , Juan M. Torres-Rincon

Polarizabilities of Ge$_n$ clusters with 2 to 25 atoms are calculated using coupled-perturbation Hartree-Fock (CPHF) and finite field (FF) method within density functional theory. The polarizabilities of the Ge$_n$ clusters increase rapidly…

Atomic and Molecular Clusters · Physics 2007-05-23 Jinlan Wang , Mingli Yang , Guanghou Wang , Jijun Zhao

For temperatures $T$ ranging from a few MeV up to TeV and energy density $\rho$ up to $10^{16}~$GeV/fm$^3$, the bulk viscosity $\zeta$ is calculated in non-perturbation (up, down, strange, charm, and bottom) and perturbation theories with…

High Energy Physics - Phenomenology · Physics 2021-10-06 Abdel Nasser Tawfik , Carsten Greiner

We compare Kohn-Sham results (density, cohesive energy, size and effect of charging) of the Spherical Averaged Pseudopotential Model with the Stabilized Jellium Model for clusters of sodium and aluminum with less than 20 atoms. We find that…

Condensed Matter · Physics 2009-10-30 Armando Vieira , M. Begona Torres , Carlos Fiolhais , L. Carlos Balbas

The distinctions in the mass spectra of large sodium (Na_N) and aluminum (Al_N) clusters are discussed. A semiclassical method is used to describe the shell effects within a spherical jellium model. It allows one to analyze the relative…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 G. V. Shpatakovskaya

Exploring hidden effects that have been overlooked given the nominal global crystal symmetry but are indeed visible in solid-state materials has been a fascinating subject of research recently. Here, we introduce a novel hidden Zeeman-type…

Materials Science · Physics 2023-02-09 Shan Guan , Jun-Wei Luo , Shu-Shen Li , Alex Zunger
‹ Prev 1 2 3 10 Next ›