9780192806727.pdf

THE LIGHT-QUANTUM 379 19e. The Photoelectric Effect: The Second Coming of h The most widely remembered part of Einstein's March ...

380 THE QUANTUM THEORY It was not an electrostatic effect, since it made no qualitative difference whether the interposed surfac ...

where v is the frequency of the incident (monochromatic) radiation and P is the work function, the energy needed to escape the s ...

382 THE QUANTUM THEORY experiments and a summary of his beautiful results: Eq. 19.24 holds very well and 'Planck's h has been ph ...

THE LIGHT-QUANTUM 383 he had used this law as an experimental fact without explaining it. Above all, it was obvious to him from ...

384 THE QUANTUM THEORY tization applied to matter, to his material oscillators. He was unaware of the fact that his proposal imp ...

THE LIGHT-QUANTUM 385 when the evidence is incontrovertible. If they do not, physics tends to pass them by. I often argued with ...

386 THE QUANTUM THEORY 1918, Rutherford commented on the Duane-Hunt results, 'There is at present no physical explanation possib ...

THE LIGHT-QUANTUM 387 E8. ,AdP20, 199(1906). E9. J. Elster and H. Geitel, AdP 41, 166 (1890). E10. A. Einstein, AdP 37, 832 (191 ...

388 THE QUANTUM THEORY P7. M. Planck, AdP 4, 553 (1901); Abhandlungen, Vol. 1, p. 717. P8. E. Pringsheim, Arch. Math. Phys. 7, 2 ...

20 Einstein and Specific Heats The more success the quantum theory has, the sillier it looks. A. Einstein in 1912 20a. Specific ...

The first published graph dealing with the quantum theory of the solid state: Einstein's expression for the specific heat of sol ...

EINSTEIN AND SPECIFIC HEATS 391 It became clear rather soon, however, that even for solid elements the Dulong- Petit rule is not ...

392 THE QUANTUM THEORY curious exceptions [C, B, Si] to the Dulong-Petit law which were until now a cause for despair have been ...

EINSTEIN AND SPECIFIC HEATS 393 6 cal/mol • deg. Thus, after half a century, the Dulong-Petit value had found a theoretical just ...

394 THE QUANTUM THEORY diatomic molecules (including hydrogen) have a cv close to 5R/2. It was not yet recognized by Maxwell tha ...

EINSTEIN AND SPECIFIC HEATS 395 for all n, where the value of the constant A is irrelevant. Mathematically, this is the forerunn ...

396 THE QUANTUM THEORY around their equilibrium positions (volume changes due to heating and contri- butions to the specific hea ...

EINSTEIN AND SPECIFIC HEATS 397 to an average over the range £ ~ 0.02-0.07. This value is much too large to be accommodated (sim ...

398 THE QUANTUM THEORY form of the third law was arrived at and accepted only after decades of controversy and confusion. For th ...