Chemistry Reference
In-Depth Information
1
0.8
0.6
0.4
0.2
0
0
0
0.2
0.2
0.4
0.4
0.6
0.6
0.8
0.8
x/R
y/R
1
1
(a)
(b)
Figure 2.11
(−
disclination
loops. (b) Computed
Q
tensor visualization at the center of a sphere: Point defects are
disclination loops. [Adapted from Tsuji and Rey (1998).]
(a) Radial (hyperbolic) point defects are equivalent to
2
1
(a)
(b)
(c)
(d)
(e)
(f)
Figure 2.12
Director
fi elds around singular wedge disclinations. (a)
M
=
+
1,
1
2
, (c)
M
1
2
and
1
2
, and (f)
M
1
2
and
(b)
M
=+
=+
ϕ
0
=
π
/4, (d)
M
=
−
1, (e)
M
=−
=−
ϕ
0
=
π
/3.
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