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10 videos · 5 h 37 min

  • Lecture · MIT

    Lecture 9: Operator Methods for the Harmonic Oscillator

    MIT OpenCourseWare

    Allan Adams's lecture from MIT's 8.04 Quantum Physics I (Spring 2013) solves the oscillator a second way, with raising and lowering operators instead of a differential equation. The algebra runs ahead of this course, but watch how a single commutation rule between the two operators generates the entire evenly spaced ladder, a structure Adams promises you will meet again all the way up to quantum field theory.

  • Lecture · Stanford

    The harmonic oscillator – David Miller

    David Miller Quantum Mechanics Courses · David A. B. Miller

    A segment of David Miller's Stanford quantum mechanics course that sets up the oscillator's Schrödinger equation and its solutions. At 19 minutes it is a much shorter pass at section 2 than the 81-minute MIT lecture in the Lecture Hall; check that his energy levels come out evenly spaced, starting at ½ħω.

  • Lecture · MIT

    Lecture 8: Quantum Harmonic Oscillator

    MIT OpenCourseWare · Allan Adams · 2013

    The lecture from MIT 8.04 Quantum Physics I (Allan Adams, 2013) that goes with Chapter 13. The whole course is in the Lecture Hall.

  • Lecture · MIT

    8. Quantum Mechanical Harmonic Oscillator

    MIT OpenCourseWare · Robert Field · 2017

    The lecture from MIT 5.61 Physical Chemistry (Robert Field, 2017) that goes with Chapter 13. The whole course is in the Lecture Hall.

  • Lecture · Oxford

    008 The Harmonic Oscillator and the Wavefunctions of its Stationary States

    University of Oxford · James Binney · 2009–10

    The lecture from University of Oxford Quantum Mechanics (James Binney, 2009–10) that goes with Chapter 13. The whole course is in the Lecture Hall.

  • Course · MIT

    Quantum Physics I

    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

    Physical Chemistry

    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 · Nobel Prize

    Nobel Prize lecture: Michel Devoret, Nobel Prize in Physics 2025

    Nobel Prize · Michel H. Devoret · 2025

    "From macroscopic quantum phenomena to artificial atoms": Michel Devoret on how a circuit's quantized energy levels — measured in the same experiments — became the foundation of today's superconducting qubits.

  • Explainer · YouTube

    Why Quantum Mechanics Uses the Physics of SPRINGS - Quantum Harmonic Oscillators EXPLAINED

    Parth G

    Parth G starts from an ordinary spring and builds up to its quantum version, explaining why physicists keep reaching for the harmonic oscillator. Watch with two questions in mind, both answered in full this session: why do the quantum energy steps come out exactly equal, and why is the lowest step not zero?

  • Explainer · YouTube

    Zero-Point Energy Demystified

    PBS Space Time

    A tour of the quantum vacuum's zero-point energy, best watched after section 7: the Casimir force between metal plates, the gulf between predicted and observed vacuum energy, and why free-energy machines and vacuum-powered drives cannot work. Treat its virtual particles as a picture rather than literal little balls, and keep this chapter's verdict in hand: zero-point energy is real and measurable, but it is the floor of the ladder, not a power source anyone can tap.