Q ± , ( Q ± ),
± 1 / 3 ± 1 / 3
Q ± , ( Q ± )
± 2 / 3 ± 2 / 3
Q + , Q - , Q + , Q -
+ 1/ 3 - 1/ 3 + 2 / 3 - 2 / 3
Q - , Q + , Q - , Q +
- 1/ 3 + 1/ 3 - 2/ 3 + 2 /3
+ - + -
Q , Q , Q , Q
+ 1/ 3 - 1/ 3 + 2 / 3 - 2 / 3
u = 2/3 Q + d = - 1/3 Q s = - 1/3 Q -
-