TY - JOUR
T1 - Local electron correlations in a two-dimensional Hubbard model on the Penrose lattice
AU - Takemori, Nayuta
AU - Koga, Akihisa
N1 - Publisher Copyright:
© 2015 The Physical Society of Japan.
PY - 2015/2/15
Y1 - 2015/2/15
N2 - We study electron correlations in the half-filled Hubbard model on a two-dimensional Penrose lattice. Applying realspace dynamical mean-field theory to large clusters, we discuss how low-temperature properties are affected by a quasiperiodic structure. By calculating the double occupancy and renormalization factor at each site, we clarify the existence of the Mott transition. The spatially dependent renormalization characteristic of a geometrical structure is also addressed.
AB - We study electron correlations in the half-filled Hubbard model on a two-dimensional Penrose lattice. Applying realspace dynamical mean-field theory to large clusters, we discuss how low-temperature properties are affected by a quasiperiodic structure. By calculating the double occupancy and renormalization factor at each site, we clarify the existence of the Mott transition. The spatially dependent renormalization characteristic of a geometrical structure is also addressed.
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U2 - 10.7566/JPSJ.84.023701
DO - 10.7566/JPSJ.84.023701
M3 - Article
AN - SCOPUS:84925002862
SN - 0031-9015
VL - 84
JO - journal of the physical society of japan
JF - journal of the physical society of japan
IS - 2
M1 - 023701
ER -