The distribution of velocity matrix elements
f
(
v
x
,
v
y
)
=
〈
n
1
∣
v
x
(
k
)
∣
n
2
〉
〈
n
2
∣
v
y
(
k
)
∣
n
1
〉
on the
(
k
x
,
k
y
)
plane. The in-plane magnetic field is
B
y
=
6
T. (c) View the distribution versus the kx. (d) View the distribution versus the ky. The band indexes n1 and n2 take the same values as those in Fig. 4.
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