## QED and the Men who Made it: Dyson, Feynman, Schwinger, and TomonagaIn the 1930s, physics was in a crisis. There appeared to be no way to reconcile the new theory of quantum mechanics with Einstein's theory of relativity. Several approaches had been tried and had failed. In the post-World War II period, four eminent physicists rose to the challenge and developed a calculable version of quantum electrodynamics (QED), probably the most successful theory in physics. This formulation of QED was pioneered by Freeman Dyson, Richard Feynman, Julian Schwinger, and Sin-Itiro Tomonaga, three of whom won the Nobel Prize for their work. In this book, physicist and historian Silvan Schweber tells the story of these four physicists, blending discussions of their scientific work with fascinating biographical sketches. Setting the achievements of these four men in context, Schweber begins with an account of the early work done by physicists such as Dirac and Jordan, and describes the gathering of eminent theorists at Shelter Island in 1947, the meeting that heralded the new era of QED. The rest of his narrative comprises individual biographies of the four physicists, discussions of their major contributions, and the story of the scientific community in which they worked. Throughout, Schweber draws on his technical expertise to offer a lively and lucid explanation of how this theory was finally established as the appropriate way to describe the atomic and subatomic realms. |

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### Contenido

1 The Birth of Quantum Field | 1 |

Jordan 1 926 and in the Dreimannerarbeit Bor n et al | 2 |

Actually Dirac found it more convenient to deal with the | 26 |

in order that N 0 be canonical variables satisfying | 27 |

One thus obtains | 28 |

equation one obtains | 61 |

2 The 193 Os | 76 |

or | 104 |

+ a Ftya charge conjugate 7554 | 333 |

interaction of the electronpositron field with both an external electromagnetic | 344 |

8 Richard Feynman and the | 373 |

J | 377 |

The term Fvadv Fvret had been shown by Dirac | 385 |

where | 387 |

3 _L_L 4444 88 | 415 |

where Fvx is the field at x due to particle | 416 |

if | 111 |

2529 | 120 |

I oa e a e0 | 121 |

f | 124 |

2546 | 126 |

The War and Its Aftermath | 130 |

Shelter | 156 |

The Lamb Shift and the Magnetic | 206 |

V rat | 232 |

1 | 232 |

v | 232 |

W vacuum vacuum joo | 238 |

5819 | 240 |

6Tomonasa and the Rebuilding | 248 |

TJulian Schwinger and the | 273 |

r+iM | 305 |

AtZm jSfr 7416 | 306 |

In terms of the b operators | 315 |

Since Hit is the sum of the Hamiltonian densities at | 324 |

1 | 326 |

ir | 418 |

The amplitude for the positron arriving at 3 is | 429 |

Freeman Dyson and the Structure | 474 |

can be written as | 513 |

The Lagrangian density from which the equations of motion of | 530 |

MO oc Sup yap _k_m + ie y v _A | 534 |

F IF + IB m n + | 535 |

Vertex part | 539 |

10 QED in Switzerland | 576 |

if by | 581 |

Some Reflections | 595 |

NOTES | 606 |

Eq n61 is precisely the result one would obtain if | 608 |

by Pais as a way to make the electrons selfenergy | 615 |

116 J Schwinger oral interview with S S Schweber January | 647 |

672 | |

690 | |

714 | |

### Otras ediciones - Ver todas

QED and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga Silvan S. Schweber Vista previa limitada - 2020 |

QED and the Men who Made it: Dyson, Feynman, Schwinger, and Tomonaga Silvan S. Schweber Vista previa limitada - 1994 |