HeisenbergPost

# HeisenbergPost - Light Has a Dual Nature 1 Wave-like...

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λ fc = Eh f h c == λ () Ep c m c p c p c p E c hf c h o =+ = = = = = 2 2 2 2 λ λ = h p Light Has a Dual Nature 1. Wave-like : Interference & Diffraction Effects 2. Particle-like : Interaction with Matter (Photoelectric Effect)

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λ fc = Eh f h c == λ () Ep c m c p c p c p E c hf c h o =+ = = = = = 2 2 2 2 λ λ = h p λ = h p pm v m v o = = γ 1. Wave-like : Interference & Diffraction Effects 2. Particle-like : Interaction with Matter (Photoelectric Effect) Matter Also Has a Dual Nature De Broglie Wavelength : Linear Momentum : Light Has a Dual Nature
What is Waving in the case of a Matter Wave? Wave Function : Q ( x , y , z , t ) Greek psi d x d y d z Volume d V = d x d y d z Time Interval t 6 t + d t Q d x d y d z d t = Probability that particle is in volume d V in time interval d t 2

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r r r r Fm am dv dt m dr dt m dx dt i dy dt j dz dt k == = = + + 2 2 2 2 2 2 2 2 \$\$ \$ Schrodinger's Eq. Quantum Physics Newton's Law of Motion Classical Mechanics Schrodinger’s Equation granite.korea.ac.kr 3D time independent form:
yA k x t = − cos( ) ω What type of wave best describes a free electron?

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## This note was uploaded on 04/17/2008 for the course PHYSICS 135-3 taught by Professor Brown during the Spring '08 term at Northwestern.

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HeisenbergPost - Light Has a Dual Nature 1 Wave-like...

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