Classical Physics Before Quantum Mechanics
Classical mechanics, electromagnetism, and thermodynamics explained a wide range of measurements before quantum theory. Their successes make the failures more informative: a new theory must explain the discrepancies while recovering the reliable predictions in their appropriate limits.
Reading sequence
Section titled “Reading sequence”- Classical Mechanics Before Quantum Theory explains the deterministic, conservation-law, Hamiltonian, and trajectory background that quantum mechanics later modified.
- Classical Electromagnetism Before Quantum Theory sets up electromagnetic waves, radiation from charges, field modes, and the light-matter tensions that led toward quantization.
- Thermodynamics and Statistical Mechanics Before Quantum Theory explains entropy, ensembles, equipartition, radiation modes, and the thermal contradictions that prepared quantum theory.
- Classical Waves and Interference introduces wave equations, superposition, diffraction, coherence, and the classical background behind matter-wave evidence.
- Classical Models of Matter explains pre-quantum atoms, electron discovery, Thomson and Rutherford models, atomic stability, and spectroscopy pressure.
- What Classical Physics Explained Well gives a fair account of the classical domains that remain powerful and clarifies why successful theories can have limited domains.
- Where Classical Physics Failed gives the launch map of the empirical and conceptual failures that lead into the rest of the volume.
Put the ideas to work
Section titled “Put the ideas to work”For a first pass, read classical waves, classical models of matter, and the final comparison of successes and failures. Then enter thermal radiation. Keep track of the assumptions behind a failed prediction: a bad atomic model and a failure of equipartition are different problems.
References
Section titled “References”- M. Jammer, The Conceptual Development of Quantum Mechanics, 2nd ed., American Institute of Physics, 1989.
- T. S. Kuhn, Black-Body Theory and the Quantum Discontinuity, 1894-1912, University of Chicago Press, 1987.
- J. Mehra and H. Rechenberg, The Historical Development of Quantum Theory, Springer, 1982-2001.