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>
具体描述
读后感
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...
评分 评分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！
评分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...
评分高中數學物理水平就能讀懂的漂亮科普。 而且作者本人的風格也極具魅力。 太棒了，所以沒法說的更多。
用户评价
根据费曼自己的说法，想搞明白QED，要么去读7年的物理学课程，要么看完这本书
评分很好吃~！
评分购于Myopic Books @Chicago.
评分根据费曼自己的说法，想搞明白QED，要么去读7年的物理学课程，要么看完这本书
评分幽默的、智商过剩的物理学家。
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