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10 videos · 3 h 38 min
Demo · University of Vienna
QuantumnanoVienna
Real data from Markus Arndt's group (Juffmann et al., Nature Nanotechnology 2012). Single phthalocyanine molecules, diffracted at a nanomechanical mask, land one at a time as separate spots until an interference pattern builds up. It shows this section's first point: each molecule arrives whole, in one place, and only the accumulated pattern reveals the wave.
Lecture · MIT
MIT OpenCourseWare · Robert Field · 2017
The lecture from MIT 5.61 Physical Chemistry (Robert Field, 2017) that goes with Chapter 6. The whole course is in the Lecture Hall.
Course · MIT
MIT OpenCourseWare · Allan Adams · 2013
Allan Adams' celebrated course starts from superposition and the experimental facts, builds the wavefunction, operators and the Schrödinger equation, then tours scattering, hydrogen, identical particles and band structure before closing on entanglement and Bell's theorem. Calculus and a little linear algebra are enough to keep up.
Course · MIT
MIT OpenCourseWare · Robert Field · 2017
Quantum mechanics as chemists use it, taught by the spectroscopist Robert Field: the photoelectric effect and Compton scattering, boxes and oscillators, hydrogen and many-electron atoms. Strong on spectroscopy, the experimental face of quantization.
Lecture · Royal Institution
The Royal Institution · Sean Carroll · 2020
Sean Carroll tells the story from Planck and Einstein through Bohr, de Broglie and Schrödinger, then argues that the measurement problem is still open and makes his case for the many-worlds interpretation. Notice where the history ends and his interpretation begins.
Explainer · YouTube
Khan Academy Physics
A clear, unhurried blackboard introduction from Khan Academy's physics series: how Louis de Broglie gave matter a wavelength, λ = h/p, and won a Nobel Prize for the idea. Watch for where the formula comes from and how to put numbers into it; Parts 1 to 3 of the lesson take the same road with more history and more precision.
Explainer · YouTube
AT&T Tech Channel
A classic classroom film made around 1961 by Educational Services Incorporated with two Bell Labs scientists: Alan Holden hosts and narrates, and Lester Germer himself re-creates the famous 1927 experiment he performed with Clinton Davisson. The perfect companion to Part 4: the experiment re-created by one of the first people ever to see electrons diffract.
Explainer · Fermilab
Fermilab · Don Lincoln
Fermilab's Don Lincoln takes on the exact puzzle of Psigor's callout: how can something with no mass carry momentum? He argues that the question comes from misusing equations; compare his resolution with the lesson's route through E² = (pc)² + (mc²)².
Lecture · Erwin Schrödinger International Institute for Mathematics and Physics
Erwin Schrödinger International Institute for Mathematics and Physics (ESI) · Olivier Darrigol
The historian of physics Olivier Darrigol (spelled 'Oliver' in the video title) explains why Louis de Broglie found matter waves and yet did not find Schrödinger's equation, the step this section's callout leaves to Schrödinger. The talk is part 3 of ESI's 'Erwin Schrödinger – 50 years after'. The jump skips the opening remarks and starts at the speaker's introduction. Chapters such as 'Wave synchronization' and 'Relativity and matter waves' go further into de Broglie's own reasoning than the lesson's summary does.
Explainer · YouTube
Arvin Ash
Arvin Ash asks this section's question about a tennis ball. The lesson answers it with wavelength; he adds the second half of the answer: a big object cannot be cut off from air molecules, scattered light and its own thermal glow, any of which records its path and wipes out interference. Section 8 comes back to that idea. Keep both halves in mind: even a perfectly isolated ball would have a wavelength far too short to show fringes.