Physics

Lesson Level 3

Schrödinger Equation and The Wave Function

Betragsquadrat einer Wellenfunktion (Beispiel)

In this lesson you will learn about the Schrödinger equation, where it comes from and what you can do with it.

Videos

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Video Level 3

Schrodinger Equation and The Wave Function

Schrodinger Equation

In this quantum mechanics lecture you will learn the Schrödinger equation (1d and 3d, time-independent and time-dependent) within 45 minutes.

Content of the video
  1. [00:10] What is a partial second-order DEQ?
  2. [01:08] Classical Mechanics vs. Quantum Mechanics
  3. [04:38] Applications
  4. [05:24] Derivation of the time-independent Schrödinger equation (1d)
  5. [17:24] Squared magnitude, probability and normalization
  6. [25:37] Wave function in classically allowed and forbidden regions
  7. [35:44] Time-independent Schrödinger equation (3d) and Hamilton operator
  8. [38:29] Time-dependent Schrödinger equation (1d and 3d)
  9. [41:29] Separation of variables and stationary states
Video Level 2

Classical Double-Slit Experiment

Double-slit experiment

In this video, Young's double-slit experiment with light is explained in a simple way. How the interference pattern of the double-slit is formed and which role light diffraction plays.

Content of the video
  1. ⏲ [00:12] A bit of history
  2. ⏲ [02:13] Setup + observation
  3. ⏲ [03:43] Interference and wave path difference
  4. ⏲ [05:26] Interference pattern explained
  5. ⏲ [11:23] Derivation (formula for wavelength)
Video Level 1

Electric current

Electric Current

In this video you will learn the basics of the electric current, i.e. the definition, its physical meaning and unit.⠀

Content of the video
  1. ⏲ [00:25] Electric charges
  2. ⏲ [02:11] What causes the electric current?
  3. ⏲ [03:42] Formula + unit of electric current
  4. ⏲ [05:43] Is one ampere a large current?
  5. ⏲ [06:44] Summary
Video Level 3

Maxwells Equations

Maxwell equations

The Maxwell’s equations are studied in the second semester of physics. Here you will learn EVERYTHING about them just within 40 minutes - explained for BEGINNERS!

Content of the video
  1. ⏲ [00:14] Applications of the Maxwell equations
  2. ⏲ [02:08] Electric field vector
  3. ⏲ [05:12] Magnetic field vector
  4. ⏲ [10:15] Divergence integral theorem - this mathematical theorem combines the volume integral of the divergence of a vector field with the surface integral of this vector field.
  5. ⏲ [10:15] Divergence integral theorem - this mathematical theorem combines the volume integral of the divergence of a vector field with the surface integral of this vector field.
  6. ⏲ [17:50] Curl integral theorem - this mathematical theorem combines the surface integral of the curl of a vector field with the line integral of this vector field.
  7. ⏲ [23:58] The FIRST Maxwell’s equation - states that the charges are sources and sinks of the electric field.
  8. ⏲ [27:46] The SECOND Maxwell’s equation - states that magnetic charges always occur as dipoles. There are no magnetic monopoles.
  9. ⏲ [30:23] The THIRD Maxwell’ equation (Faraday’s law of induction) - states that a time-varying magnetic field generates an electric field and vice versa. This Maxwell equation contain also the Lenz’s rule.
  10. ⏲ [35:02] THE FOURTH Maxwell’s equation - states that the magnetic field can be generated by electric currents and time-varying electric fields (displacement current)