Modular Berry Connection for Entangled Subregions in AdS/CFT
Author(s)
Czech, Bartłomiej; Lamprou, Lampros; McCandlish, Samuel; Sully, James
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The Berry connection describes transformations induced by adiabatically varying Hamiltonians. We study how zero modes of the modular Hamiltonian are affected by varying the region that supplies the modular Hamiltonian. In the vacuum of a 2D conformal field theory, global conformal symmetry singles out a unique modular Berry connection, which we compute directly and in the dual three-dimensional anti–de Sitter (AdS[subscript 3]) picture. In certain cases, Wilson loops of the modular Berry connection compute lengths of curves in AdS[subscript 3], reproducing the differential entropy formula. Modular Berry transformations can be measured by bulk observers moving with varying accelerations.
Date issued
2018-02Department
Massachusetts Institute of Technology. Department of PhysicsJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Czech, Bartłomiej et al. "Modular Berry Connection for Entangled Subregions in AdS/CFT." Physical Review Letters 120, 9 (February 2018): 091601
Version: Final published version
ISSN
0031-9007
1079-7114