Quantum Mechanics ● Heisenberg表象跟 Schrodinger表象是等價的 Ex:力學量守恆,不因採用表象不同而異 Schrodinger表象□少[F,H] Heisenberg表象□∵H(t)=U(t,0)HU(t0)=H iHt F(t),H(r Fe hh 0 2021/2/242021/2/24 8 Quantum Mechanics ․Heisenberg表象跟Schrödinger表象是等價的 Ex:力學量守恆,不因採用表象不同而異 Schrödinger表象 [F, H] = 0 Heisenberg表象     0 ˆ , ˆ ( ) , ˆ ( ), ˆ ( ,0) ˆ ( ) ( ,0) ˆ ˆ ˆ ˆ ˆ = =          = = = − − +      iHt iHt iHt iHt e F H e F t H t e Fe H H t U t HU t H