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Density matrix renormalization group approach for many-body open quantum systems

J. Rotureau
(
- Tennessee U. and
- Oak Ridge and
- JIHIR, Oak Ridge
)
,
N. Michel
(
- Tennessee U. and
- Oak Ridge and
- JIHIR, Oak Ridge
)
,
W. Nazarewicz
(
- Tennessee U. and
- Oak Ridge and
- Warsaw U.
)
,
M. Ploszajczak
(
- GANIL
)
,
J. Dukelsky
(
- Madrid, Inst. Estructura Materia
)

Mar, 2006

4 pages

Published in:

Phys.Rev.Lett. 97 (2006) 110603

e-Print:

nucl-th/0603021 [nucl-th]

DOI:

10.1103/PhysRevLett.97.110603

View in:

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Abstract:

The density matrix renormalization group (DMRG) approach is extended to complex-symmetric density matrices characteristic of many-body open quantum systems. Within the continuum shell model, we investigate the interplay between many-body configuration interaction and coupling to open channels. It is shown that the DMRG technique applied to broad resonances in the unbound neutron-rich nucleus 7He provides a highly accurate treatment of the coupling to the non-resonant scattering continuum.

Note:

4 pages, 3 figures Subj-class: Nuclear Theory: Other

21.60.Cs
02.60.Dc
05.10.Cc
02.70.-c

References(21)

Figures(0)

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