Famous the world over for the creative brilliance of his insights into the physical world, Nobel Prize-winning physicist Richard Feynman also possessed an extraordinary talent for explaining difficult concepts to the nonscientist. QED--the edited version of four lectures on quantum electrodynamics that Feynman gave to the general public at UCLA as part of the Alix G. Mautner Memorial Lecture series--is perhaps the best example of his ability to communicate both the substance and the spirit of science to the layperson.</p>
The focus, as the title suggests, is quantum electrodynamics (QED), the part of the quantum theory of fields that describes the interactions of the quanta of the electromagnetic field-light, X rays, gamma rays--with matter and those of charged particles with one another. By extending the formalism developed by Dirac in 1933, which related quantum and classical descriptions of the motion of particles, Feynman revolutionized the quantum mechanical understanding of the nature of particles and waves. And, by incorporating his own readily visualizable formulation of quantum mechanics, Feynman created a diagrammatic version of QED that made calculations much simpler and also provided visual insights into the mechanisms of quantum electrodynamic processes.</p>
In this book, using everyday language, spatial concepts, visualizations, and his renowned "Feynman diagrams" instead of advanced mathematics, Feynman successfully provides a definitive introduction to QED for a lay readership without any distortion of the basic science. Characterized by Feynman's famously original clarity and humor, this popular book on QED has not been equaled since its publication.</p>
具體描述
讀後感
开篇的某些内容会让人觉得：本来挺简单的，干嘛用这么复杂的方法阐述。但看到后来就会发现这种方法是贯穿始终的，越往后，问题越复杂，你会发现，用这种方法反而有助于理解，这就是“费曼式”的！
評分QED，量子电动力学，听这名字就装逼到了极致，并且对于大多数人来说，光看这个装逼的名字，肯定就望而却步了！ 只要是接触量子力学有关的书，那肯定免不了接触到QED这个名词，我也是出于好奇，就想买本书看看QED到底是个什么玩意。说到这东西，入门的话，肯定选择...
評分QED，讲述了光子的运动、电子的运动与光子 电子的相互作用。此外，最后一章讲述了QCD。 一开篇以部分反射为例，讲述了光子的运动特性。光以粒子的特性运动，运动规律不再遵循经典力学中，某一时刻位于某一位置的规律；而是以波函数表示的。费曼采用的小箭头运算的方法明晰表达...
評分 評分虽然作者是大大鼎鼎的费曼，但是不用数学还是苦了这位大师，对于我这样学了复数运算的人来说，这样做反而更难理解了。 如果你只是想被科普一下QED，可以看看。如果你是要上大学的，还是等到课堂上让老师用数学来讲述吧，费曼在这本书里并没有讲更多的东西。 真想体验费曼的伟...
用戶評價
費曼就是能把量子電動力學講到中學生都可以理解的程度。隻有真正懂的人能把現代物理理論錶達這麼清楚簡單。手起刀落，不故弄玄虛，太帥瞭。
评分不是這個版本
评分費曼講量子力學，很搞笑哈
评分第一次給費曼的書很好の評價
评分不是這個版本
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