B. Yoshida

Publications59
h-index23
Citations2,718
Highly Influential Citations175
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Holographic quantum error-correcting codes: toy models for the bulk/boundary correspondence
TLDR
That bulk logical operators can be represented on multiple boundary regions mimics the Rindlerwedge reconstruction of boundary operators from bulk operators, realizing explicitly the quantum error-correcting features of AdS/CFT recently proposed in [1].
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Chaos in quantum channels
TLDR
The butterfly effect in quantum systems implies the information-theoretic definition of scrambling, which shows that any input subsystem must have near vanishing mutual information with almost all partitions of the output.
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Chaos and complexity by design
A bstractWe study the relationship between quantum chaos and pseudorandomness by developing probes of unitary design. A natural probe of randomness is the “frame poten-tial,” which is minimized by…
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Efficient decoding for the Hayden-Preskill protocol
TLDR
Two particular decoding procedures for reconstructing a quantum state from the Hawking radiation in the Hayden-Preskill thought experiment are presented, where the decay of out-of-time-order correlators (OTOCs) guarantees faithful state recovery.
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Chaos, complexity, and random matrices
A bstractChaos and complexity entail an entropic and computational obstruction to describing a system, and thus are intrinsically difficult to characterize. In this paper, we consider time evolution…
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Exotic topological order in fractal spin liquids
We present a large class of three-dimensional spin models that possess topological order with stability against local perturbations, but are beyond description of topological quantum field theory.…
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Disentangling Scrambling and Decoherence via Quantum Teleportation
TLDR
This work analyzes a quantum teleportation protocol that explicitly enables one to differentiate between scrambling and decoherence, and demonstrates that within this protocol, one can extract a precise "noise" parameter which quantitatively captures the non-scrambling induced decay of OTOCs.
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Holographic complexity equals which action?
A bstractWe revisit the complexity = action proposal for charged black holes. We investigate the complexity for a dyonic black hole, and we find the surprising feature that the late-time growth is…
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Topological phases with generalized global symmetries
We present simple lattice realizations of symmetry-protected topological phases with q-form global symmetries where charged excitations have q spatial dimensions. Specifically, we construct d…
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Feasibility of self-correcting quantum memory and thermal stability of topological order
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