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RIKEN Center for Quantum Computing Quantum Computer Architecture Research Team

Team Leader: Hayato Goto (Ph.D.)

Research Summary

Hayato Goto

We do theoretical research on the total design of quantum computers, from the approaches to fault-tolerant quantum computation (FTQC) to their physical implementations, namely, quantum computer architecture.　The research on quantum computer architecture requires to consider all aspects of quantum computers. The requirement of large resource overheads for FTQC is a central problem at present. To solve this problem, we focus on high-rate codes. We aim at solving the resource problem by developing FTQC with high-rate codes.

Main Research Fields

  • Interdisciplinary Science & Engineering

Related Research Fields

  • Engineering
  • Informatics
  • Mathematical & Physical Sciences
  • Mathematical physics and fundamental theory of condensed matter physics-related

Keywords

  • Quantum computer
  • quantum error correction
  • fault-tolerant quantum computation
  • physical implementation

Selected Publications

Papers with an asterisk(*) are based on research conducted outside of RIKEN.

  • 1. *H. Goto.
    "Minimizing resource overheads for fault-tolerant preparation of encoded states of the Steane code"
    Sci. Rep., 6, 19578 (2016).
  • 2. *H. Goto.
    "Step-by-step magic state encoding for efficient fault-tolerant quantum omputation"
    Sci. Rep., 4, 7501 (2014).
  • 3. *H. Goto and H. Uchikawa.
    "Soft-decision decoder for quantum erasure and probabilistic-gate error models"
    Phys. Rev. A, 89, 022322 (2014).
  • 4. *H. Goto and H. Uchikawa.
    "Fault-tolerant quantum computation with a soft-decision decoder for error correction and detection by teleportation"
    Sci. Rep., 3, 2044 (2013).
  • 5. *H. Goto and K. Ichimura.
    "Fault-tolerant quantum computation with probabilistic two-qubit gates"
    Phys. Rev. A, 80, 040303(R) (2009).

Lab Members

Principal investigator

Hayato Goto
Team Leader

Core members

Ryota Nakai
Research Scientist

Careers

Position Deadline
Seeking a few Senior Scientists, Research Scientists or Postdoctoral Researchers (W24026) Open until filled

Contact Information

W523 Cooperation Center
2-1 Hirosawa,
Wako, Saitama
351-0198, Japan
Email: hayato.goto [at] riken.jp

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