English
Related papers

Related papers: Static dipole polarizability of C70 fullerene

200 papers

The isostructural {\alpha}-{\gamma} phase transition in cerium is analyzed using density-functional theory with different exchange-correlation functionals, in particular the PBE0 hybrid functional and the exact- exchange plus correlation in…

Strongly Correlated Electrons · Physics 2015-06-11 Marco Casadei , Xinguo Ren , Patrick Rinke , Angel Rubio , Matthias Scheffler

The electric dipole polarizabilities evaluated at imaginary frequencies for hydrogen, the alkali-metal atoms, the alkaline earth atoms, and the inert gases are tabulated along with the resulting values of the atomic static polarizabilities,…

Atomic Physics · Physics 2010-02-28 Andrei Derevianko , Sergey G. Porsev , James F. Babb

A fit of the experimental data to the total cross section of the process $\gamma\gamma->\pi^+\pi^-$ in the energy region from threshold to 2500 MeV has been carried out using dispersion relations with subtractions for the invariant…

Nuclear Theory · Physics 2011-07-19 L. V. Fil'kov , V. L. Kashevarov

We investigate the role of the electron correlation effects in the calculations of the electric dipole polarizabilities (\alpha) of elements belonging to three different groups of periodic table. To understand the propagation of the…

Atomic Physics · Physics 2014-05-21 Yashpal Singh , B. K. Sahoo

The second random-phase-approximation model corrected by a subtraction procedure designed to cure double counting, instabilities, and ultraviolet divergences, is employed for the first time to analyze the dipole strength and polarizability…

Nuclear Theory · Physics 2018-01-17 Danilo Gambacurta , Marcella Grasso , Olivier Vasseur

We report on a capacitance study of dual gated bilayer graphene. The measured capacitance allows us to probe the electronic compressibility as a function of carrier density, temperature, and applied perpendicular electrical displacement D.…

Mesoscale and Nanoscale Physics · Physics 2013-09-17 A. F. Young , C. R. Dean , I. Meric , S. Sorgenfrei , H. Ren , K. Watanabe , T. Taniguchi , J. Hone , K. L. Shepard , P. Kim

Fullerenes are known to be polarizable due to the strained carbon-carbon bonds and high surface curvature. Electronic polarization of fullerenes is of steady practical importance, since it leads to non-additive interactions and, therefore,…

Materials Science · Physics 2015-01-21 Vitaly V. Chaban , Eudes Eterno Fileti

A new numerical method is introduced for calculating the polarizability of an arbitrary dielectric object with position dependent complex permittivity. Three separate numerical approaches are provided to calculate the dipole moment of a…

Materials Science · Physics 2022-03-18 Daniel B. Murray , Caleb H. Netting , Robin D. Mercer , Lucien Saviot

The efficiency of optical trapping of ultracold atoms depend on the atomic dynamic dipole polarizability governing the atom-field interaction. In this article, we have calculated the real and imaginary parts of the dynamic dipole…

Atomic Physics · Physics 2017-04-11 Hui Li , Jean-Francois Wyart , Olivier Dulieu , Sylvain Nascimbene , Maxence Lepers

Charged polarons in thin films of polymer-fullerene composites are investigated by light-induced electron paramagnetic resonance (EPR) at 9.5 GHz (X-band) and 130 GHz (D-band). The materials studied were poly(3-hexylthiophene) (PHT),…

The screening properties of fullerene molecules are described by means of a continuum model which uses the electronic wavefunctions of planar graphite as a starting point. The long distance behavior of the system gives rise to a…

Condensed Matter · Physics 2015-06-25 J. Gonzalez , F. Guinea , M. A. H. Vozmediano

We discuss a non-perturbative, technically straightforward, easy-to-use, and computationally affordable method, based on polarization theory, for the calculation of the electronic dielectric constant of insulating solids at the first…

Materials Science · Physics 2009-10-31 Fabio Bernardini , Vincenzo Fiorentini

In this study, we report a comprehensive calculation of static dipole polarizabilities for group 12 elements using the finite-field approach in conjunction with the relativistic coupled-cluster method, including single, double, and…

Atomic Physics · Physics 2025-02-13 YingXing Cheng

The dynamic electric dipole polarizability function for the magnesium atom is formed by assembling the atomic electric dipole oscillator strength distribution from combinations of theoretical and experimental data for resonance oscillator…

Atomic Physics · Physics 2015-08-28 James F. Babb

We have calculated static and dynamic electric dipole (E1) polarizabilities ($\alpha_F$) of the hyperfine levels of the clock transition precisely in $^{133}$Cs. The scalar, vector, and tensor components of $\alpha_F$ are estimated by…

Atomic Physics · Physics 2024-02-09 A. Chakraborty , B. K. Sahoo

Density Functional Theory (DFT) calculations were used to evaluate polarity of group III nitrides, such as aluminum nitride (AlN), gallium nitride (GaN) and indium nitride (InN) providing physically sound quantitative measure of polarity of…

Mesoscale and Nanoscale Physics · Physics 2011-11-17 Pawel Strak , Pawel Kempisty , Konrad Sakowski , Stanislaw Krukowski

High precision multipole polarizabilities, $\alpha_{\ell}$ for $\ell \le 4$ of the $1s$ ground state of the hydrogen isoelectronic series are obtained from the Dirac equation using the B-spline method with Notre Dame boundary conditions.…

Atomic Physics · Physics 2015-06-05 Li-Yan Tang , Yong-Hui Zhang , Xian-Zhou Zhang , Jun Jiang , J. Mitroy

Shell-model calculations of the electric dipole (E1) polarizability have been performed for the ground state of selected p- and sd-shell nuclei, substantially advancing previous knowledge. Our results are slightly larger compared with the…

Nuclear Theory · Physics 2023-09-19 José Nicolás Orce , Cebo Ngwetsheni , B. Alex Brown

Taking the same trial wave function, the ground-state energy of Fr\"{o}hlich polaron is investigated by variational method and coherent-state expansion (CSE) one, respectively. Within the accuracy to $\alpha^{2}$(the electron-phonon…

Other Condensed Matter · Physics 2007-05-23 Qing Chen , Ke-Lin Wang , Yi Wang

We carry out first-principle calculations of scalar and tensor components of the static electric dipole polarizabilities of six low-lying states of lithium (Li), sodium (Na) and potassium (K) alkali atoms in the linear response approach.…

Atomic Physics · Physics 2025-04-22 A. Chakraborty , B. K. Sahoo