https://doi.org/10.1140/epjb/e2012-20966-8
Regular Article
Superfluid-to-Mott insulator transition of bosons with local three-body interactions
1
Departamento de Física, Universidad Nacional de
Colombia, Bogotá,
Colombia
2
Departamento de Física, Universidade Federal de
Sergipe, 49100-000
Sao Cristovão-SE,
Brazil
a e-mail: jsilvav@unal.edu.co
Received:
28
November
2011
Received in final form:
2
March
2012
Published online:
22
May
2012
Using the density matrix renormalization group method, we determine the phase diagram of a one-dimensional system of bosons interacting via repulsive local three-body interactions. This system presents two phases: Mott-insulator and superfluid. The quantum critical point for the first lobes at constant density were determined with the block von Neumann entropy. A different reentrance phase transition for each lobe was observed.
Key words: Solid State and Materials
© EDP Sciences, Società Italiana di Fisica and Springer-Verlag, 2012
