《量子电动力学》封面

量子电动力学

Quantum electrodynamics

Richard Phillips Feynman · 初版 1961 年

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6位读者提及
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Hacker News 上怎么说

  • 货真价实的干货:http://www.amazon.com/Quantum-Electrodynamics-Advanced-Book-...

    The real deal: http://www.amazon.com/Quantum-Electrodynamics-Advanced-Book-...

  • ……那人却搬出纸和箭头来回答。这就是当初别人问费曼磁铁原理时把他惹毛的那套做派。你读过《QED》这本书吗?那是费曼向外行解释量子电动力学(Quantum Electrodynamics)的最强尝试。在书里,他面对一个关于事物本质的真实提问(光是如何传播的?),给出的回答也是“搬出了纸和箭头!”(我强烈建议你读读这本书,看看……

    …and the person answered bringing up paper and arrows. This is the stuff that made Feynmann mad when they asked him about magnets. Have you ever read the book QED? It's Feynman's best effort to explain Quantum Electrodynamics to a layman. In the book, he takes a genuine question about the nature of things (how does light work?) and answers it by "bringing up paper and arrows!" (I encourage you to read the book to see what…

  • ……我回复的那条评论、你在楼里的评论以及你旁边的那条,似乎都完全不符合那个要求。简化定义确实是一门艺术,但费曼在讲量子电动力学时就做到了——所以对于复杂学科来说,这并不是不可能的事。而且在我看来,你对一个学科理解越浅,你的解释就越难做到简洁,反而会更让人摸不着头脑,就像那些给出的解释一样……

    …The comment I am replying to, your comment in the tree, and the one next to you, does not seem to match that request in any sense. Now, simplified definitions are an art, but Feynman managed it with Quantum Electrodynamics -- so it is not impossible to do it for complex subjects. And it seems to me the less you understand a subject, the less simple and more confusing your explanation will be, such as the explanations given…

  • 我觉得这得看你的兴趣所在,不过这些是我的精选推荐:费曼的《量子电动力学》:几乎所有事物运转原理的概括(尽管解释得很浅显通俗)。《穷查理宝典:查理·芒格的智慧箴言录》(来自这位……的绝佳洞见 / 普世智慧)

    I think it would depend on what you’re into, but these are my picks: Quantum Electrodynamics (Feynman): A summary of how almost EVERYTHING works (albeit explained simplistically). Poor Charlie's Almanack: The Wit and Wisdom of Charles T. Munger (great insights / worldly wisdom from one of the…

  • 理查德·费曼的《量子电动力学》,出人意料地引人入胜,非常通俗易懂而且篇幅很短!

    Quantum Electrodynamics by Richard Feynman, shockingly a page turner, quite accessible and short!

  • ……自然界中无处不在的现象。光线通过尝试所有可能的路径来寻找自己的轨迹,最终只有产生最大相长干涉的那条路径保留下来(这就是费曼在量子电动力学中的发现,文中也引用了这一点)。量子计算真正的诀窍在于通过量子门操控 qubit,使得被赋予最高概率的输出结果恰好是正确的……

    …ubiquitous phenomenon in Nature. Light rays find their trajectory by tryin out all possible paths and only the one with the highest constructive interference survives (this is what Feynman discovered in Quantum Electrodynamics, which is referenced in the article). The real trick in quantum computing is manipulating qubits through quantum gates such that the outcome that gets assigned the highest probability is the correct…

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