Ab initio large-basis no-core shell model

Bruce R. Barrett; Petr Navrátil; Andreas Nogga; W. Erich Ormand; Ionel Stetcu; James P. Vary; Hu Zhan

doi:10.1063/1.1945236

Ab initio large-basis no-core shell model

Bruce R. Barrett, Petr Navrátil, Andreas Nogga, W. Erich Ormand, Ionel Stetcu, James P. Vary, Hu Zhan

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We discuss the motivation, theory, and formulation of the ab initio No-Core Shell Model (NCSM). In this method the effective Hamiltonians are derived microscopically from realistic nucleon-nucleon (NN) and theoretical three-nucleon (NNN)potentials, as a function of the finite harmonic-oscillator (HO) basis space. We present converged results for the A = 3 and 4 nucleon systems, which are in agreement with results obtained by other exact methods, followed by results for p-shell nuclei. Binding energies, rms radii, excitation spectra, and electromagnetic properties are discussed. The favorable comparison with available data is a consequence of the underlying NN and NNN interactions rather than a phenomenological fit.

Original language	English (US)
Title of host publication	International Conference on Nuclear Data for Science and Technology
Pages	1257-1262
Number of pages	6
DOIs	https://doi.org/10.1063/1.1945236
State	Published - May 24 2005
Event	International Conference on Nuclear Data for Science and Technology - Santa Fe, NM, United States Duration: Sep 26 2004 → Oct 1 2004

Publication series

Name	AIP Conference Proceedings
Volume	769
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	International Conference on Nuclear Data for Science and Technology
Country/Territory	United States
City	Santa Fe, NM
Period	9/26/04 → 10/1/04

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.1945236

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Barrett, BR, Navrátil, P, Nogga, A, Ormand, WE, Stetcu, I, Vary, JP & Zhan, H 2005, Ab initio large-basis no-core shell model. in International Conference on Nuclear Data for Science and Technology. AIP Conference Proceedings, vol. 769, pp. 1257-1262, International Conference on Nuclear Data for Science and Technology, Santa Fe, NM, United States, 9/26/04. https://doi.org/10.1063/1.1945236

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abstract = "We discuss the motivation, theory, and formulation of the ab initio No-Core Shell Model (NCSM). In this method the effective Hamiltonians are derived microscopically from realistic nucleon-nucleon (NN) and theoretical three-nucleon (NNN)potentials, as a function of the finite harmonic-oscillator (HO) basis space. We present converged results for the A = 3 and 4 nucleon systems, which are in agreement with results obtained by other exact methods, followed by results for p-shell nuclei. Binding energies, rms radii, excitation spectra, and electromagnetic properties are discussed. The favorable comparison with available data is a consequence of the underlying NN and NNN interactions rather than a phenomenological fit.",

author = "Barrett, \{Bruce R.\} and Petr Navr{\'a}til and Andreas Nogga and Ormand, \{W. Erich\} and Ionel Stetcu and Vary, \{James P.\} and Hu Zhan",

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doi = "10.1063/1.1945236",

language = "English (US)",

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T1 - Ab initio large-basis no-core shell model

AU - Barrett, Bruce R.

AU - Navrátil, Petr

AU - Nogga, Andreas

AU - Ormand, W. Erich

AU - Stetcu, Ionel

AU - Vary, James P.

AU - Zhan, Hu

PY - 2005/5/24

Y1 - 2005/5/24

N2 - We discuss the motivation, theory, and formulation of the ab initio No-Core Shell Model (NCSM). In this method the effective Hamiltonians are derived microscopically from realistic nucleon-nucleon (NN) and theoretical three-nucleon (NNN)potentials, as a function of the finite harmonic-oscillator (HO) basis space. We present converged results for the A = 3 and 4 nucleon systems, which are in agreement with results obtained by other exact methods, followed by results for p-shell nuclei. Binding energies, rms radii, excitation spectra, and electromagnetic properties are discussed. The favorable comparison with available data is a consequence of the underlying NN and NNN interactions rather than a phenomenological fit.

AB - We discuss the motivation, theory, and formulation of the ab initio No-Core Shell Model (NCSM). In this method the effective Hamiltonians are derived microscopically from realistic nucleon-nucleon (NN) and theoretical three-nucleon (NNN)potentials, as a function of the finite harmonic-oscillator (HO) basis space. We present converged results for the A = 3 and 4 nucleon systems, which are in agreement with results obtained by other exact methods, followed by results for p-shell nuclei. Binding energies, rms radii, excitation spectra, and electromagnetic properties are discussed. The favorable comparison with available data is a consequence of the underlying NN and NNN interactions rather than a phenomenological fit.

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ER -

Ab initio large-basis no-core shell model

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