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Masâki Tezuka on Muck Rack

Masâki Tezuka

As seen in: Rotten Tomatoes, Physical Review B
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Articles

Hayden-Preskill recovery in Hamiltonian systems

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By Yoshifumi Nakata, Masâki Tezuka
| Physical Review B
Information scrambling refers to the unitary dynamics that quickly spreads and encodes localized quantum information over an entire many-body system and makes the information accessible from any small subsystem. While information scrambling is the key to understanding complex quantum many-body dynamics and is well-understood in random unitary models, it has been hardly explored in Hamiltonian systems.
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Binary-coupling sparse Sachdev-Ye-Kitaev model: An improved model of quantum chaos and holography

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By Masâki Tezuka, Onur Oktay, Enrico Rinaldi
| Physical Review B
Abstract The sparse version of the Sachdev-Ye-Kitaev (SYK) model reproduces essential features of the original SYK model while reducing the number of disorder parameters. In this Research Letter, we propose a further simplification of the model which we call the binary-coupling sparse SYK model. We set the nonzero couplings to be ±1, rather than being sampled from a continuous distribution such as Gaussian.
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