SFI 5800 Espectroscopia FÃsica Espectroscopia de Microondas - IFSC
SFI 5800 Espectroscopia FÃsica Espectroscopia de Microondas - IFSC
SFI 5800 Espectroscopia FÃsica Espectroscopia de Microondas - IFSC
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Evolução da probabilida<strong>de</strong> <strong>de</strong><strong>de</strong>nsida<strong>de</strong>Desdobramento do estadofundametal: δE = 0.79 cm -1Frequência <strong>de</strong> inversão:~ 910ν = cν= (3×10 )(0.79) = 23.7 × 10 ≈ 24GHzδE= hν= hcν=~ −4− 5(1.2399 × 10)(0.79)= 9.8×10eVTempo para a molécula NH 3 inverter (tunelar através da barreira):τ = 1/2ν ≈ 2.1×10 -11 s (21 ps)Quantum mechanics, Alonso & Valk; Quantum Mechanics, Cohen & Tannoudji, vol 1, Chap IVQuantique, Levy & Leblond; Intr. to Quantum Mechanics, Brans<strong>de</strong>n & Joacham, Sec. 15-3The Feynman Lectures on Physics, Feynman & Leighton & Sands, Vol. 3
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