Jun Suzuki Group

Quantum Information Theory group
University of Electro-Communications (UEC) Tokyo

We are working on quantum information thoery, quantum estimation theory,
information geometry, quantum field theory, foundation on quantum theory, etc.

Current members

Jun Suzuki (Assoc. Prof.)
K. M. (PhD) [Bayes statistics, statistical mechanics]
Jianchao Zhang (PhD) [quantum estimation]
Kehan Zhao (PhD) [quantum Bayes statistics]
Takehiro Tsurumi (Master) [quantum information] 　
Kazuki Yamada (Undergraduate) [quantum information]

Recent papers

Role of the extended Hilbert space in the attainability of the Quantum Cramér–Rao bound for multiparameter estimation (with L.O.Conlon, P.K.Lam, S.M.Assad)
QestOptPOVM: An iterative algorithm to find optimal measurements for quantum parameter estimation (with J. Zhang)
Bayesian Nagaoka-Hayashi Bound for Multiparameter Quantum-State Estimation Problem
Error tradeoff relation for estimating the unitary-shift parameter of a relativistic spin-1/2 particle (with S. Funada)
The gap persistence theorem for quantum multiparameter estimation (with L.O.Conlon, P.K.Lam, S.M.Assad)
Effect of Wigner rotation on estimating the unitary-shift parameter of a relativistic spin-1/2 particle (with S. Funada)
Quantum-state estimation problem via optimal design of experiments
Non-monotone metric on the quantum parametric model
Error trade-off relations for two-parameter unitary model with commuting generators (with S. Funada)
Efficient computation of the Nagaoka–Hayashi bound for multi-parameter estimation with separable measurements (with L.O.Conlon, P.K.Lam, S.M.Assad)
Robust Phase Estimation of Gaussian States in the Presence of Outlier Quantum States (with Y. Mototake)
Direct estimation of minimum gate fidelity (with Y.Lu, J.Y.Sim, B-G.Englert, H.K.Ng)
Quantum state estimation with nuisance parameters (with Y.Yang, M.Hayashi)
Uncertainty relation for estimating the position of an electron in a uniform magnetic field from quantum estimation theory (with S.Funada)
Nuisance parameter problem in quantum estimation theory: Tradeoff relation and qubit exampls
User-specified random sampling of quantum channels and its applications (with J.Y.Sim, B-G.Englert, H.K.Ng)
Quantum process tomography via optimal design of experiments (with Y.Gazit, H.K.Ng)
Information Geometrical Characterization of Quantum Statistical Models in Quantum Estimation Theory

For a complete list of publications, cleck here.

Positions

We are not opening any postdoctoral position at this moment.
If you are interested in joining our gruop, please apply for the JSPS Fellowship.
For more informaiton, visit this site or contact me.