Ab-initio shell model with a core

A. F. Lisetskiy; B. R. Barrett; M. K.G. Kruse; P. Navratil; I. Stetcu; J. P. Vary

doi:10.1103/PhysRevC.78.044302

Ab-initio shell model with a core

A. F. Lisetskiy, B. R. Barrett, M. K.G. Kruse, P. Navratil, I. Stetcu, J. P. Vary

Research output: Contribution to journal › Article › peer-review

68 Scopus citations

Abstract

We construct effective two- and three-body Hamiltonians for the p-shell by performing 12 Ω ab initio no-core shell model (NCSM) calculations for A=6 and 7 nuclei and explicitly projecting the many-body Hamiltonians onto the 0 Ω space. We then separate these effective Hamiltonians into inert core, one- and two-body contributions (also three-body for A=7) and analyze the systematic behavior of these different parts as a function of the mass number A and size of the NCSM basis space. The role of effective three- and higher-body interactions for A>6 is investigated and discussed.

Original language	English (US)
Article number	044302
Journal	Physical Review C - Nuclear Physics
Volume	78
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.78.044302
State	Published - Oct 10 2008
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.78.044302

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abstract = "We construct effective two- and three-body Hamiltonians for the p-shell by performing 12 Ω ab initio no-core shell model (NCSM) calculations for A=6 and 7 nuclei and explicitly projecting the many-body Hamiltonians onto the 0 Ω space. We then separate these effective Hamiltonians into inert core, one- and two-body contributions (also three-body for A=7) and analyze the systematic behavior of these different parts as a function of the mass number A and size of the NCSM basis space. The role of effective three- and higher-body interactions for A>6 is investigated and discussed.",

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AU - Lisetskiy, A. F.

AU - Barrett, B. R.

AU - Kruse, M. K.G.

AU - Navratil, P.

AU - Stetcu, I.

AU - Vary, J. P.

PY - 2008/10/10

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N2 - We construct effective two- and three-body Hamiltonians for the p-shell by performing 12 Ω ab initio no-core shell model (NCSM) calculations for A=6 and 7 nuclei and explicitly projecting the many-body Hamiltonians onto the 0 Ω space. We then separate these effective Hamiltonians into inert core, one- and two-body contributions (also three-body for A=7) and analyze the systematic behavior of these different parts as a function of the mass number A and size of the NCSM basis space. The role of effective three- and higher-body interactions for A>6 is investigated and discussed.

AB - We construct effective two- and three-body Hamiltonians for the p-shell by performing 12 Ω ab initio no-core shell model (NCSM) calculations for A=6 and 7 nuclei and explicitly projecting the many-body Hamiltonians onto the 0 Ω space. We then separate these effective Hamiltonians into inert core, one- and two-body contributions (also three-body for A=7) and analyze the systematic behavior of these different parts as a function of the mass number A and size of the NCSM basis space. The role of effective three- and higher-body interactions for A>6 is investigated and discussed.

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Ab-initio shell model with a core

Abstract

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