标题： 扭量基础的经典双倍复制 显示英文标题

标题： A Twistorial Foundation for the Classical Double Copy

摘要： 经典双拷贝将规范理论、引力和其他理论的精确解联系起来。 尽管被广泛研究，但其起源和适用范围一直神秘莫测。 在本信中，我们表明一种特定的形式——威尔双拷贝——可以使用扭量理论中的已建立思想进行推导。 除了解释威爾双拷贝的来源外，扭量形式还表明它比之前认为的更为普遍。 显示英文摘要

摘要： The classical double copy relates exact solutions of gauge, gravity and other theories. Although widely studied, its origins and domain of applicability have remained mysterious. In this letter, we show that a particular incarnation - the Weyl double copy - can be derived using well-established ideas from twistor theory. As well as explaining where the Weyl double copy comes from, the twistor formalism also shows that it is more general than previously thought.