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of 9
pro vyhledávání: '"Tamiya, Shiro"'
Neutral atoms are among the leading platforms toward realizing fault-tolerant quantum computation (FTQC). However, scaling up a single neutral-atom device beyond $\sim 10^4$ atoms to meet the demands of FTQC for practical applications remains a chall
Externí odkaz:
http://arxiv.org/abs/2407.11111
The essential requirement for fault-tolerant quantum computation (FTQC) is the total protocol design to achieve a fair balance of all the critical factors relevant to its practical realization, such as the space overhead, the threshold, and the modul
Externí odkaz:
http://arxiv.org/abs/2402.09606
Publikováno v:
Phys. Rev. Research 6, 023055 (2024)
Recent work [M. J. Gullans et al., Physical Review X, 11(3):031066 (2021)] has shown that quantum error correcting codes defined by random Clifford encoding circuits can achieve a non-zero encoding rate in correcting errors even if the random circuit
Externí odkaz:
http://arxiv.org/abs/2212.05071
Autor:
Tamiya, Shiro, Yamasaki, Hayata
Publikováno v:
npj Quantum Inf 8, 90 (2022)
Optimizing parameterized quantum circuits is a key routine in using near-term quantum devices. However, the existing algorithms for such optimization require an excessive number of quantum-measurement shots for estimating expectation values of observ
Externí odkaz:
http://arxiv.org/abs/2111.07952
Autor:
Nakata, Yoshifumi, Zhao, Da, Okuda, Takayuki, Bannai, Eiichi, Suzuki, Yasunari, Tamiya, Shiro, Heya, Kentaro, Yan, Zhiguang, Zuo, Kun, Tamate, Shuhei, Tabuchi, Yutaka, Nakamura, Yasunobu
Publikováno v:
PRX Quantum 2, 030339 (2021)
A unitary $t$-design is a powerful tool in quantum information science and fundamental physics. Despite its usefulness, only approximate implementations were known for general $t$. In this paper, we provide for the first time quantum circuits that ge
Externí odkaz:
http://arxiv.org/abs/2102.12617
Autor:
Suzuki, Yasunari, Kawase, Yoshiaki, Masumura, Yuya, Hiraga, Yuria, Nakadai, Masahiro, Chen, Jiabao, Nakanishi, Ken M., Mitarai, Kosuke, Imai, Ryosuke, Tamiya, Shiro, Yamamoto, Takahiro, Yan, Tennin, Kawakubo, Toru, Nakagawa, Yuya O., Ibe, Yohei, Zhang, Youyuan, Yamashita, Hirotsugu, Yoshimura, Hikaru, Hayashi, Akihiro, Fujii, Keisuke
Publikováno v:
Quantum 5, 559 (2021)
To explore the possibilities of a near-term intermediate-scale quantum algorithm and long-term fault-tolerant quantum computing, a fast and versatile quantum circuit simulator is needed. Here, we introduce Qulacs, a fast simulator for quantum circuit
Externí odkaz:
http://arxiv.org/abs/2011.13524
Publikováno v:
Phys. Rev. Research 3, 023244 (2021)
The variational quantum eigensolver (VQE) is an algorithm to find eigenenergies and eigenstates of systems in quantum chemistry and quantum many-body physics. The VQE is one of the most promising applications of near-term quantum devices to investiga
Externí odkaz:
http://arxiv.org/abs/2003.01706
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