In quantum mechanics there are many occasions where quantum states are written as products of two or more functions, each with its own set of variables. for instance, spin-dependent wave functions Ψ[x i , y i , z i , s i ] are written as ψ [x i , y i , z i ] ø [s i ], or linear combinations thereof. In the Born-Oppenheimer approximation the electronic and vibrational wave functions are multiplied together to make the “vibronic” wave function
KeywordsWave Function Character Table Symmetry Theory Character Vector Vibrational Wave Function
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