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We construct a new toy model of the holographic principle, named asholographic qubit threads model, which is an enlightening step towards theissue of spacetime emergence ("it from qubit"). More specifically, we proposefor the first time that each bit thread in a locking bit thread configurationis in a "qubit" state, i.e., the quantum superposition state of two orthogonalstates. Using this thread/state correspondence, we can construct the explicitexpressions for the SS states corresponding to a set of bulk extremal surfacesin the surface/state correspondence, and nicely characterize their entanglementstructure. Then we use the locking bit thread configurations to construct theholographic qubit threads model, and we show that it is closely related to theholographic tensor networks, kinematic space, and the connectivity ofspacetime.

Thread/State correspondence: the qubit threads model of holographic gravity