... | ... | @@ -99,9 +99,23 @@ Note that the above definitions apply equally well to finite systems. In this ca |
|
|
|
|
|
Infinite systems are stored in the following way. The on-sites are stored in the
|
|
|
same way as for finite systems; only sites in the finite representation are stored.
|
|
|
For each element of the connection set the associated hoppings (i.e. the hoppings
|
|
|
between the fundamental domain and its image under the action of the group element)
|
|
|
is stored in the same way as for the finite system.
|
|
|
For each element of the connection set, the associated hoppings (i.e. the hoppings
|
|
|
between the fundamental domain and its image under the action of the connection
|
|
|
set element) are stored in the same way as for the finite system.
|
|
|
|
|
|
|
|
|
group element: g0 g1
|
|
|
_______________________ _______________________
|
|
|
/ \ / \ ...
|
|
|
pair of families: fam1,fam2 fam2,fam3 ... fam1,fam2 fam2,fam3 ...
|
|
|
__ / \________________
|
|
|
/ \
|
|
|
value functions: val1, val2, ...
|
|
|
(i1, j1) (m1, n1)
|
|
|
hoppings: (i2, j2) (m2, n2)
|
|
|
(i3, j3) (m3, n3)
|
|
|
. .
|
|
|
. .
|
|
|
|
|
|
|
|
|
## Implementation of Common Operations
|
... | ... | |