Takayuki Suzuki

Takayuki Suzuki

Intellectual Property and Technology Strategy Division, SCSK Corporation

I work on mathematical and computational methods for quantum technologies, with interests spanning quantum optimization, quantum dynamics and control, and open quantum systems.

Research Themes

Quantum Optimization

Quantum relaxations and decoder-consistent Hamiltonians.

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Quantum Dynamics and Control

Adiabatic and nonadiabatic dynamics, optimal control, exact WKB, and Kibble-Zurek physics.

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Open Quantum Systems

Master equations and dissipative dynamics.

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Selected Work

Analytical construction of (n, n-1)-quantum random access codes saturating the conjectured bound

Phys. Rev. A 114, 012441 (2026). Related theme: Quantum Optimization.

Optimal Control in Nearly-Adiabatic Two-Level Quantum Systems via Time-Dependent Resonance

Phys. Rev. A 111, L050201 (2025). Related theme: Quantum Dynamics and Control.

Decoder-Consistent Hamiltonians for POVM-Based Quantum Relaxations

arXiv:2606.05604 (2026). Related theme: Quantum Optimization.

Apps Preview

QRAC State and Measurement Explorer

Live

Compare (2,1), (3,1), and (3,2) code states, bit-specific QRAC measurements, and simultaneous QRAO-style readout.

QUBO / MaxCut Explorer

Live

Inspect small binary optimization instances, graph cuts, and objective landscapes in the browser.

Two-Level Quantum Dynamics Playground

Planned

Visualize controlled two-level dynamics with bounded inputs and explanatory plots.

Open-System Trajectory Visualizer

Planned

Compare ensemble and trajectory views for small dissipative quantum systems.