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## Main Question or Discussion Point

hello everyone,

while studying QM you learn the physical meaning of commutating operators, namely they have simultaneous eigenstates. For observables it means, that they can be simultaneusly exactly mesured.

What is the physical meaning of anticommuting and not anticommuting operators? [tex][A,B]_+=0, [A,B]_+\not=0[/tex]

Is there any physical meaning or is it just a mathematical tool?

(sorry for my bad english)

while studying QM you learn the physical meaning of commutating operators, namely they have simultaneous eigenstates. For observables it means, that they can be simultaneusly exactly mesured.

What is the physical meaning of anticommuting and not anticommuting operators? [tex][A,B]_+=0, [A,B]_+\not=0[/tex]

Is there any physical meaning or is it just a mathematical tool?

(sorry for my bad english)

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