Fig. (3)
(
a
) Asymmetric 3C-HHall. (
b
) Its conformal transformation on the upper half of the
w
' -plane has 4 electrical DoF
W
3
',
W
4
',
W
5
',
R
sh
. (
c
) Its ERC has only 3 electrical DoF
R
a
,
R
b
,
R
c
.
