User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse




Journal Article

Entanglement and chaos in warped conformal field theories


He,  Song
Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

There are no locators available
Fulltext (public)

(Preprint), 427KB

(Publisher version), 499KB

Supplementary Material (public)
There is no public supplementary material available

Apolo, L., He, S., Song, W., Xu, J., & Zheng, J. (2019). Entanglement and chaos in warped conformal field theories. Journal of high energy physics: JHEP, 2019(04): 009. doi:10.1007/JHEP04(2019)009.

Cite as: http://hdl.handle.net/21.11116/0000-0002-DC6A-0
Various aspects of warped conformal field theories (WCFTs) are studied including entanglement entropy on excited states, the Renyi entropy after a local quench, and out-of-time-order four-point functions. Assuming a large central charge and dominance of the vacuum block in the conformal block expansion, (i) we calculate the single-interval entanglement entropy on an excited state, matching previous finite temperature results by changing the ensemble; and (ii) we show that WCFTs are maximally chaotic, a result that is compatible with the existence of black holes in the holographic duals. Finally, we relax the aforementioned assumptions and study the time evolution of the Renyi entropy after a local quench. We find that the change in the Renyi entropy is topological, vanishing at early and late times, and nonvanishing in between only for charged states in spectrally-flowed WCFTs.