The similarity renormalization group for three-body interactions in one dimension
Artikel i vetenskaplig tidskrift, 2011

We report on recent progress of the implementation of the similarity renormalization group (SRG) for three-body interactions in a one-dimensional, bosonic model system using the plane-wave basis. We discuss our implementation of the flow equations and show results that confirm that results in the three-body sector remain unchanged by the transformation of the Hamiltonian. We also show how the SRG transformation decouples low- from high-momentum nodes in the three-body sector and therefore simplifies the numerical calculation of observables.

Författare

O. Åkerlund

J. Bergsten

B. Grevholm

P. Lerner

R. Linscott

Christian Forssen

Chalmers, Teknisk fysik, Subatomär fysik

Lucas Platter

Chalmers, Teknisk fysik, Subatomär fysik

European Physical Journal A

1434-6001 (ISSN) 1434-601X (eISSN)

Vol. 47 10

Ämneskategorier

Subatomär fysik

Fysik

Fundament

Grundläggande vetenskaper

DOI

10.1140/epja/i2011-11122-4