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Finite-size Scaling Properties of the One-dimensional Extended Bose-Hubbard Model
- Authors
- Shin, Jong-Geun; Cha, Min-Chul
- Issue Date
- Mar-2010
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Bose-Hubbard model; quantum phase transition; finite-size scaling; KT transition
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.3, pp 986 - 989
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 56
- Number
- 3
- Start Page
- 986
- End Page
- 989
- ISSN
- 0374-4884
1976-8524
- Abstract
- The critical properties of the one-dimensional hard-core extended Bose-Hubbard model at half-filling, involving both XY- and the Ising-symmetry breaking, are studied on a lattice up to 32 sites via the Lanczos method. The finite-size scaling behaviors as approached from either the insulator or the superfluid side are consistent with the presence of an essential singularity, suggesting that the transition has Kosterllitz-Thouless (KT)-type universal properties.
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