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My head is spinning after this class! This is such a great lecture (and course, too), thanks for making it avaliable to us, professor!
Now I finally understand why there are three triplets. Thanks!!
The -ive sign 9:41 is taken because electrons are fermions and no tow fermions can occupy the same state ( pauli exclusion principal ) . If the two partical were bosons then there would be +ive sign, since bosons don't care about Pauli's principal
There is an angle between z-axis and the electron spin direction. Is this angle arbitrary? If not, how to find its value?
My head is spinning after this class! This is such a great lecture (and course, too), thanks for making it avaliable to us, professor!
Now I finally understand why there are three triplets. Thanks!!
The -ive sign 9:41 is taken because electrons are fermions and no tow fermions can occupy the same state ( pauli exclusion principal ) . If the two partical were bosons then there would be +ive sign, since bosons don't care about Pauli's principal
There is an angle between z-axis and the electron spin direction. Is this angle arbitrary? If not, how to find its value?