Double Copy from Homotopy Algebras

Double Copy from Homotopy Algebras
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DOI:
10.1002/prop.202100075
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发表时间:
2021-02
期刊:
Fortschritte der Physik
影响因子:
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通讯作者:
L. Borsten;Hyungrok Kim;B. Jurčo;Tommaso Macrelli;Christian Saemann;Martin Wolf
L. Borsten;Hyungrok Kim;B. Jurčo;Tommaso Macrelli;Christian Saemann;Martin Wolf
中科院分区:
其他
文献类型:
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作者:
L. Borsten;Hyungrok Kim;B. Jurčo;Tommaso Macrelli;Christian Saemann;Martin Wolf

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我们表明,BRST拉格朗日双副本建设N=0超引力作为“平方”的杨米尔斯理论找到一个自然的解释同伦代数。我们显着扩展了我们以前的工作,在循环级别上论证了双拷贝的有效性,我们给出了双拷贝拉格朗日算子和BRST算子的详细推导。我们的构造非常一般,可以应用于大量的例子。
We show that the BRST Lagrangian double copy construction of N=0 supergravity as the ‘square’ of Yang–Mills theory finds a natural interpretation in terms of homotopy algebras. We significantly expand on our previous work arguing the validity of the double copy at the loop level, and we give a detailed derivation of the double‐copied Lagrangian and BRST operator. Our constructions are very general and can be applied to a vast set of examples.