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razif
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Homework Statement
[tex]\left\langle0_{x}|0_{y}\right\rangle[/tex] is this orthogonal or not?
Homework Equations
for [tex]\left\langle1_{x}|1_{y}\right\rangle[/tex] we already know that this state is orthogonal to each others because 1 state at x-axis while the others in y-axis
for [tex]\left\langle1_{x}|1_{x}\right\rangle[/tex] we know that this state is not orthogonal to each others because they were in same axis
for [tex]\left\langle0_{x}|0_{x}\right\rangle[/tex] we can say that this state not orthogonal to each other because both vacuum state in same x-axis
The Attempt at a Solution
but for [tex]\left\langle0_{x}|0_{y}\right\rangle[/tex] can we say that this state is not orthogonal to each others?because both of them are vacuum state although it written that the vacuum state at x-axis and vacuum state at y-axis, if yes this is not orthogonal, can someone point me the reason. I just assumed that because both state are in vacuum state and they can be at any axis without changing any state at that axis.