40 Schroedinger

40 Schroedinger - Logistics Two surveys Approaches to...

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9/20/11 Craig Ogilvie Logistics § Two surveys Approaches to physics: Learning module, extra credit ClassClimate course evaluation § Project scores TAs are waiting for some final $10K distributions 11
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9/20/11 Craig Ogilvie 22 2 Summary Lecture 39 distant source e- d~l D >> d D Predict the probability to arrive on screen => non-deterministic theory, can’t predict where any one electron will go Electron is traveling matter field y(x,t) of electron, wavefunction y After slits, two contributions to total field 2 2 1 2 screen at arriving y Probabilit ψ + = = wavefunction implies Heisenberg principle π 2 h x p x
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9/20/11 Craig Ogilvie 33 Goals § Interpretation issues of quantum mechanics § Schrödinger equation Solutions are wavefunctions ψ (x,t) § Physics of bound quantum objects Particles in a 1-dimensional box
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9/20/11 Craig Ogilvie 44 Question: which slit, 1st round 1. Yes 2. No 3. It depends on where electron ends up on screen distant source e- d D >> d~l D Can you tell which slit the electron went through? 0 of 30
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Craig Ogilvie 55 Question: which slit, 2nd round 1. Yes 2. No 3. It depends on where electron ends up on screen distant source e- d D >> d~l D Can you tell which slit the electron went through? Two fields after slits, both contribute to wavefunction
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40 Schroedinger - Logistics Two surveys Approaches to...

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