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Testing the density matrix expansion against ab initio calculations of trapped neutron drops
density matrix neutron drops
2011/7/20
Microscopic input to a universal nuclear energy density functional can be provided through the density matrix expansion (DME), which has recently been revived and improved.
Electronic Correlation effects in superconducting picene from ab-initio calculations
Electronic Correlation effects superconducting picene
2010/11/23
We show, by means of ab-initio calculations, that electron-electron correlations play an impor-
tant role in potassium-doped picene (Kx-picene), recently characterized as a superconductor with Tc = 1...
Ab-initio calculations for the beta-tin diamond transition in Silicon: comparing theories with experiments
Ab-initio calculations for the beta-tin diamond transition Silicon:
2010/11/19
We investigate the pressure-induced metal-insulator transition from diamond to β-tin in bulk Silicon,using quantum Monte Carlo (QMC) and density functional theory (DFT) approaches. We show
that it is...
Towards Microscopic Ab Initio Calculations of Astrophysical S-Factors
Microscopic Ab Initio Calculations Astrophysical S-Factors
2011/1/6
Low energy capture cross sections are calculated within a microscopic many-body approach
using an effective Hamiltonian derived from the Argonne V18 potential. The dynamics is treated
within Fermion...