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What does $<\psi|A|\phi>$$\langle\psi|A|\phi\rangle$ mean if $A$ is some operator like how does A$A$ acts on these two vectors phi$\phi$ and psi$\psi$ and what is it equal to and also does A$A$ act on both vectors or just one vector?
What does $<\psi|A|\phi>$ mean if $A$ is some operator like how does A acts on these two vectors phi and psi and what is it equal to and also does A act on both vectors or just one vector?
What does $\langle\psi|A|\phi\rangle$ mean if $A$ is some operator like how does $A$ acts on these two vectors $\phi$ and $\psi$ and what is it equal to and also does $A$ act on both vectors or just one vector?
What does<\psi|A|\phi>does $<\psi|A|\phi>$ mean if A$A$ is some operator like how does A acts on these two vectors phi and psi and what is it equal to and also does A act on both vectors or just one vector?
What does<\psi|A|\phi> mean if A is some operator like how does A acts on these two vectors phi and psi and what is it equal to and also does A act on both vectors or just one vector?
What does $<\psi|A|\phi>$ mean if $A$ is some operator like how does A acts on these two vectors phi and psi and what is it equal to and also does A act on both vectors or just one vector?
