Mellin amplitudes for 1d CFT
Mellin amplitudes for 1d CFT
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1d CFT 的 Mellin 振幅
DOI:
10.1007/jhep10(2021)095
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发表时间:
2021
影响因子:
5.4
通讯作者:
Bianchi L
中科院分区:
文献类型:
--
作者:
Bianchi L
We define a Mellin amplitude for CFT 1 four-point functions. Its analytical properties are inferred from physical requirements on the correlator. We discuss the analytic continuation that is necessary for a fully nonperturbative definition of the Mellin transform. The resulting bounded, meromorphic function of a single complex variable is used to derive an infinite set of nonperturbative sum rules for CFT data of exchanged operators, which we test on known examples. We then consider the perturbative setup produced by quartic interactions with an arbitrary number of derivatives in a bulk AdS 2 field theory. With our formalism, we obtain a closed-form expression for the Mellin transform of tree-level contact interactions and for the first correction to the scaling dimension of “two-particle” operators exchanged in the generalized free field theory correlator.
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DOI:
--
发表时间:
1974
期刊:
--
影响因子:
--
作者:
A. Polyakov
通讯作者:
A. Polyakov
影响因子:
5.4
作者:
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通讯作者:
Julius Julius
影响因子:
5.4
作者:
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通讯作者:
D. Gaiotto;D. Mazáč;M. Paulos
影响因子:
5.4
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通讯作者:
Xinan Zhou
影响因子:
5.4
作者:
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Xiang Zhao