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Bulk reconstruction for spinor fields in AdS/CFT

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arxiv 1912.00952 v1 pith:KTDMJQ4C submitted 2019-12-02 hep-th

Bulk reconstruction for spinor fields in AdS/CFT

classification hep-th
keywords bulkspinorfieldfieldsactionanti-debehaviorbulk--boundary
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We develop the representation of free spinor fields in the bulk of Lorentzian anti-de Sitter space in terms of smeared operators in the dual conformal field theory. To do this we expand the bulk field in a complete set of normalizable modes, work out the extrapolate dictionary for spinor fields, and show that the bulk field can be reconstructed from its near-boundary behavior. In some cases chirality and reality conditions can be imposed in the bulk. We study the action of the CFT modular Hamiltonian on bulk fermions to show that they transform with the expected spinor Lie derivative, and we calculate bulk--boundary two-point functions starting from CFT correlators.

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