9780192806727.pdf

INTERLUDE: THE BKS PROPOSAL 419 vation was taken up by Nernst [Nl].* Not later than January 1922, Sommerfeld remarked that the ' ...

420 THE QUANTUM THEORY equations do hold in the average and the experiment on AX refers only to the average change of the wavele ...

INTERLUDE: THE BKS PROPOSAL 421 (which had already plagued him for seven years by then) was the one to which he took exception m ...

422 THE QUANTUM THEORY B4. N. Bohr, Z. Phys. 34, 142 (1925). B5. , Z. Phys. 13, 117 (1923), especially Sec. 4. B6. W. Bothe and ...

23 A Loss of Identity: the Birth of Quantum Statistics 23a. From Boltzmann to Dirac This episode begins with a letter dated June ...

424 THE QUANTUM THEORY is discussed in Section 23b with the exception of one major point, which is reserved for the next chapter ...

A LOSS OF IDENTITY: THE BIRTH OF QUANTUM STATISTICS 425 We owe to Dirac the observation that in the BE case, Eq. 23.2 must be re ...

426 THE QUANTUM THEORY momenta between p* and p* + dp'. Supply a further factor 2 to count polariza- tions. This produces the qu ...

and then derived Planck's law for E(v, T)by standard manipulations—and there- with concluded his paper without further comments. ...

428 THE QUANTUM THEORY Photon number nonconservation. Bose's cell partition numbers p\ are defined by asking how many particles ...

A LOSS OF IDENTITY: THE BIRTH OF QUANTUM STATISTICS 429 the Wien regime hv{ S> kT. Therefore, up to an irrelevant* factor TV! ...

and asked what happens if T drops below T 0 (for given v 0 ). His answer: I maintain that, in this case, a number of molecules s ...

A LOSS OF IDENTITY: THE BIRTH OF QUANTUM STATISTICS 431 form alternative to Eq. 23.13. He counted the number of ways in which Ns ...

432 THE QUANTUM THEORY corresponds to the state of things. The reason is that I have not been able to participate as intensively ...

A LOSS OF IDENTITY: THE BIRTH OF QUANTUM STATISTICS 433 existence of analytically distinct parts of isotherms. It was not clear ...

434 THE QUANTUM THEORY LI. F. London, Nature 141, 643 (1938). L2. , Phys. Rev. 54, 1947 (1938). Ml. J. Mehra, Biogr. Mem. Fell. ...

24 Einstein as aTransitionalFigure: The Birth of Wave Mechanics We now leave the period of the old quantum theory and turn to th ...

436 THE QUANTUM THEORY published before him) the density of radiation states in terms of particle (photon) language. That was in ...

EINSTEIN AS A TRANSITIONAL FIGURE: THE BIRTH OF WAVE MECHANICS 437 where Z(v) is the number of states per interval dv given in E ...

438 THE QUANTUM THEORY Einstein become aware of de Broglie's work? In particular, when did he receive de Broglie's thesis from L ...