# Physical Meaning

1.)CAN ANYBODY TELL ME WHATS THE PHYSICAL SIGNIFICANCE AND MEANING OF PAULI MATRICES.FROM WHERE IT FOUND ITS ORIGINATION?

2.) MOREOVER WHY IS IT SAID THAT" SPIN HAS NO CLASSICAL ANALOGUE",IT IS NOT LIKE THE ANGULAR MOMENTUM OF ANY BODY SPINNING ON ITS AXIS?

3.)HOW WE CONCLUDE THAT ELECTRON'S SPIN IS +-1/2( PLEASE DONT RELATE ANSWER TO FERMIONS OR BOSONS)

WITH REGARDS

Actually sir i read the mail few days ago in:"physical significance of pauli spin matrices".but its too lenghty and tedious to understand.
Can u elaborate it in short,if being not disturbed.
Anyway for third response i am extrmely sorry,i am not getting it correctly,in stern gerlach experiment we are just separating the electron beam with opposite spin by applying magnetic field.
But sir i want to know from where we come to the result of numerical values 1/2 (or for fermions we are saying,it is half integral and for bosons we conclude integral spin)
with regards

malawi_glenn