Abstract
Abstract
Smith et al discovered an aperiodic monotile of 13 sided shape in 2023. It is called the ‘Smith hat’ and consists of eight kites. We deal with the statistical physics of the lattice of the kites, which we call the ‘Smith-kite lattice’. We studied the Ising model on the aperiodic Smith-kite lattice and the dual Smith-kite lattice using Monte Carlo simulations. We combined the Swendsen–Wang multi-cluster algorithm and the replica exchange method. We simulated systems up to the total spin number
939
201
. Using the finite-size scaling (FSS) analysis, we estimated the critical temperature on the Smith-kite lattice as
T
c
/
J
=
2.405
±
0.0005
and that of the dual Smith-kite lattice as
T
c
∗
/
J
=
2.143
±
0.0005
. Moreover, we confirmed the duality relation between the critical temperatures on the dual pair of aperiodic lattices,
sinh
(
2
J
/
T
c
)
sinh
(
2
J
/
T
c
∗
)
=
1.000
±
0.001
. We also checked the duality relation for the nearest-neighbor correlation at the critical temperature, essentially the energy,
ϵ
(
T
c
)
/
coth
(
2
J
/
T
c
)
+
ϵ
(
T
c
∗
)
/
coth
(
2
J
/
T
c
∗
)
=
1.000
±
0.001
.
Funder
Japan Society for the Promotion of Science
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