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- W4287691526 abstract "Bit threads are curves in holographic spacetimes that manifest boundary entanglement, and are represented mathematically by continuum analogues of network flows or multiflows. Subject to a density bound, the maximum number of threads connecting a boundary region to its complement computes the Ryu-Takayanagi entropy. When considering several regions at the same time, for example in proving entropy inequalities, there are various inequivalent density bounds that can be imposed. We investigate for which choices of bound a given set of boundary regions can be locked, in other words can have their entropies computed by a single thread configuration. We show that under the most stringent bound, which requires the threads to be locally parallel, non-crossing regions can in general be locked, but crossing regions cannot, where two regions are said to cross if they partially overlap and do not cover the entire boundary. We also show that, under a certain less stringent density bound, a crossing pair can be locked, and conjecture that any set of regions not containing a pairwise crossing triple can be locked, analogously to the situation for networks." @default.
- W4287691526 created "2022-07-26" @default.
- W4287691526 creator A5060569573 @default.
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- W4287691526 date "2020-08-07" @default.
- W4287691526 modified "2023-10-14" @default.
- W4287691526 title "Crossing versus locking: Bit threads and continuum multiflows" @default.
- W4287691526 doi "https://doi.org/10.48550/arxiv.2008.03197" @default.
- W4287691526 hasPublicationYear "2020" @default.
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