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We present pseudo-potential coefficients for the first two rows of the periodic table. The pseudo potential is of a novel analytic form, that gives optimal efficiency in numerical calculations using plane waves as basis set. At most 7…

mtrl-th · Physics 2009-10-28 S. Goedecker , M. Teter , J. Hutter

We present a method for constructing a scalar-relativistic pseudopotential which provides exact agreement with relativistic Dirac-Slater all-electron eigenvalues at the reference configuration. All-electron wave functions are…

Materials Science · Physics 2009-10-31 Ilya Grinberg , Nicholas J. Ramer , Andrew M. Rappe

The package fhi98PP allows one to generate norm-conserving pseudopotentials adapted to density-functional theory total-energy calculations for a multitude of elements throughout the periodic table, including first-row and transition metal…

Materials Science · Physics 2009-10-31 Martin Fuchs , Matthias Scheffler

A new pseudopotential generation method is presented which significantly improves transferability. The method exploits the flexibility contained in the separable Kleinman-Bylander form of the nonlocal pseudopotential [Phys. Rev. Lett. 48,…

Condensed Matter · Physics 2007-05-23 Nicholas J. Ramer , Andrew M. Rappe

The Gaussian Effective Potential (GEP) is shown to be a useful variational tool for the study of the magnetic properties of strongly correlated electronic systems. The GEP is derived for a single band Hubbard model on a two-dimensional…

Strongly Correlated Electrons · Physics 2012-07-10 Luca Marotta , Fabio Siringo

We explore a separable resolution-of-the-identity formalism built on quadratures over limited sets of real-space points designed for all-electron calculations. Our implementation preserves in particular the use of common atomic orbitals and…

Chemical Physics · Physics 2019-05-22 Ivan Duchemin , Xavier Blase

We have optimized the exponents of Gaussian s and p basis functions for the elements H, B-F, and Al-Cl using the pseudopotentials of Goedecker, Teter, and Hutter [Phys. Rev. B 54, 1703 (1996)] by minimizing the total energy of dimers. We…

Other Condensed Matter · Physics 2007-12-21 Eeuwe S. Zijlstra , Nils Hunteman , Alan Kalitsov , Martin E. Garcia , Ulf von Barth

Pseudo-Goldstone bosons in 4D strongly coupled theories have a dual description in terms of 5D gauge theories in warped backgrounds. We introduce systematic methods of computing the pseudo-Goldstone potential for an arbitrary warp factor in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Adam Falkowski

We construct integrable pseudopotentials with an arbitrary number of fields in terms of generalized hypergeometric functions. These pseudopotentials yield some integrable (2+1)-dimensional hydrodynamic type systems. An interesting class of…

Exactly Solvable and Integrable Systems · Physics 2008-05-12 Alexander Odesskii , Vladimir Sokolov

Let G be a reductive linear algebraic group over an algebraically closed field of characteristic p > 0. A subgroup of G is said to be separable in G if its global and infinitesimal centralizers have the same dimension. We study the…

Group Theory · Mathematics 2008-08-12 Michael Bate , Benjamin Martin , Gerhard Roehrle , Rudolf Tange

Pseudo-differential operator equations with parameter are studied. Uniform separability properties and resolvent estimates are obtained in terms of fractional derivatives. Moreover, maximal regularity properties of the pseudo-differential…

Analysis of PDEs · Mathematics 2017-06-06 Veli Shakhmurov

A scheme is developed for creating pseudopotentials for use in correlated-electron calculations. Pseudopotentials for the light elements H, Li, Be, B, C, N, O, and F, are reported, based on data from high-level quantum chemical…

Materials Science · Physics 2014-05-05 J. R. Trail , R. J. Needs

We present novel non-parametric representation math for local pseudopotentials (PP) based on Gaussian Process Regression (GPR). Local pseudopotentials are needed for materials simulations using Orbital-Free Density Functional Theory…

Materials Science · Physics 2021-01-27 Johann Lueder , Sergei Manzhos

A new type of effective atomic pseudopotential for passivation of semiconductor surfaces is presented. It is shown that the spherical approximation used in the effective and empirical pseudopotential methods is not suitable for describing…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 J. R. Cárdenas

The supersymmetrical approach is used to analyse a class of two-dimensional quantum systems with periodic potentials. In particular, the method of SUSY-separation of variables allowed us to find a part of the energy spectra and the…

High Energy Physics - Theory · Physics 2008-11-26 M. V. Ioffe , J. Mateos Guilarte , P. A. Valinevich

We use gauge/string duality to model some hybrid pseudo-potentials in a pure SU(N) gauge theory. The pseudo-potentials under consideration can't be described by a single Nambu-Goto string. This is why we call them "exotic". A comparison…

High Energy Physics - Phenomenology · Physics 2013-07-19 Oleg Andreev

A detailed mathematical proof is given that the energy spectrum of a non-relativistic quantum particle in multi-dimensional Euclidean space under the influence of suitable random potentials has almost surely a pure-point component. The…

Mathematical Physics · Physics 2007-05-23 Werner Fischer , Hajo Leschke , Peter Mueller

We construct integrable pseudopotentials with an arbitrary number of fields in terms of elliptic generalization of hypergeometric functions in several variables. These pseudopotentials yield some integrable (2+1)-dimensional hydrodynamic…

Exactly Solvable and Integrable Systems · Physics 2008-10-22 Alexander Odesskii , Vladimir Sokolov

The pieces of the hypernuclear strangeness violating potential due to the pseudoscalar meson exchanges are derived using methods which were successfully applied to hyperon nonleptonic decays. The estimates are tested by comparison with…

High Energy Physics - Phenomenology · Physics 2016-08-15 Cesar Barbero , Franjo Krmpotić , Dubravko Horvat , Zoran Narančić , Dubravko Tadić

By adding a non-linear core correction to the well established Dual Space Gaussian type pseudopotentials for the chemical elements up to the third period, we construct improved pseudopotentials for the Perdew Burke Ernzerhof (PBE)…

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