Density matrix renormalization group approach for many-body open quantum systems.
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 in case of the unbound nucleus (7)He. It is shown that the extended DMRG procedure provides a highly accurate treatment of the coupling to the nonresonant scattering continuum.
Rotureau
J
J
Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA.
Michel
N
N
Nazarewicz
W
W
Płoszajczak
M
M
Dukelsky
J
J