6 papers
The Impact of Qubit Connectivity on Quantum Advantage in Noisy IQP Circuits
Leonardo Placidi, Enrico Rinaldi, Keisuke Fujii +1
Instantaneous Quantum Polynomial-time (IQP) circuits are a candidate for demonstrating near-term quantum advantage, as their sampling task is believed to be classically hard in the…
Measurement-Based Fault-Tolerant Quantum Computation on High-Connectivity Devices: A Resource-Efficient Approach toward Early FTQC
Yohei Ibe, Yutaka Hirano, Yasuo Ozu +2
We propose a measurement-based FTQC (MB-FTQC) architecture for high-connectivity platforms such as trapped ions and neutral atoms. The key idea is to use verified logical ancillas…
Efficient magic state cultivation with lattice surgery
Yutaka Hirano, Riki Toshio, Tomohiro Itogawa +1
Magic state distillation plays a crucial role in fault-tolerant quantum computation and represents a major bottleneck. In contrast to traditional logical-level distillation, physic…
Locality-aware Pauli-based computation for local magic state preparation
Yutaka Hirano, Keisuke Fujii
Magic state distillation, a process for preparing magic states needed to implement non-Clifford gates fault-tolerantly, plays a crucial role in fault-tolerant quantum computation.…
Efficient Magic State Distillation by Zero-Level Distillation
Tomohiro Itogawa, Yugo Takada, Yutaka Hirano +1
Magic state distillation (MSD) is an essential element for universal fault-tolerant quantum computing, which distills a high-fidelity magic state from noisy magic states using idea…
Clifford gates with logical transversality for self-dual CSS codes
Theerapat Tansuwannont, Yugo Takada, Keisuke Fujii
Quantum error-correcting codes with high encoding rate are good candidates for large-scale quantum computers as they use physical qubits more efficiently than codes of the same dis…