Holographic entanglement contour, bit threads, and the entanglement tsunami

Understand

We study the entanglement contour, a quasi-local measure of entanglement, and propose a generic formula for the contour in 1+1d quantum systems.

• We use this formalism to investigate the real space entanglement structure of various static CFTs as well as local and global quantum quenches.
• The global quench elucidates the spatial distribution of entanglement entropy in strongly interacting CFTs and clarifies the interpretation of the entanglement tsunami picture.
• The entanglement tsunami effectively characterizes the non-local growth of entanglement entropy while the contour characterizes the local propagation of entanglement.