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8 papers · 2 filters
Ab initio nuclear structure calculations of light nuclei
Pieter Maris
We perform no-core configuration interaction calculations for nuclei in the p-shell. We show that for typical light nuclei, a truncation on the total number of quanta in the many-b…
The no-core shell model with general radial bases
M. A. Caprio, P. Maris, J. P. Vary
Calculations in the ab initio no-core shell model (NCSM) have conventionally been carried out using the harmonic-oscillator many-body basis. However, the rapid falloff (Gaussian as…
Coulomb-Sturmian basis for the nuclear many-body problem
M. A. Caprio, P. Maris, J. P. Vary
Calculations in ab initio no-core configuration interaction (NCCI) approaches, such as the no-core shell model or no-core full configuration methods, have conventionally been carri…
Structure of A = 7 - 8 nuclei with two- plus three-nucleon interactions from chiral effective field theory
Pieter Maris, James P. Vary, Petr Navratil
We solve the ab initio no-core shell model (NCSM) in the complete Nmax = 8 basis for A = 7 and A = 8 nuclei with two-nucleon and three-nucleon interactions derived within chiral ef…
Convergence properties of {\itshape ab initio} calculations of light nuclei in a harmonic oscillator basis
Sidney A. Coon, Matthew I. Avetian, Michael K. G. Kruse +3
We study recently proposed ultraviolet and infrared momentum regulators of the model spaces formed by construction of a variational trial wavefunction which uses a complete set of…
UNEDF: Advanced Scientific Computing Collaboration Transforms the Low-Energy Nuclear Many-Body Problem
H. Nam, M. Stoitsov, W. Nazarewicz +10
The demands of cutting-edge science are driving the need for larger and faster computing resources. With the rapidly growing scale of computing systems and the prospect of technolo…