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74 papers · 1 filter
Measurement-only circuit of perturbed toric code on triangular lattice: Topological entanglement, 1-form symmetry and logical qubits
Keisuke Kataoka, Yoshihito Kuno, Takahiro Orito +1
Measurement-only (quantum) circuit (MoC) gives possibility to realize the states with rich entanglements, topological orders and quantum memories. This work studies the MoC, in whi…
Adaptive Interpolating Quantum Transform: A Quantum-Native Framework for Efficient Transform Learning
Gekko Budiutama, Shunsuke Daimon, Hirofumi Nishi +3
Machine learning on quantum computers has attracted attention for its potential to deliver computational speedups in different tasks. However, deep variational quantum circuits req…
A simple model of quantum walk with a gap in distribution
Takuya Machida
Quantum walks are quantum counterparts of random walks and their probability distributions are different from each other. A quantum walker distributes on a Hilbert space and it is…
Exploration of optimal hyperfine transitions for spin-wave storage in Er:YSiO
K. Matsuura, S. Yasui, R. Kaji +3
The dependence of the magnetic fluctuations and the spin coherence time of the lowest Stark states in Er:YSiO under zero…
States Violating Both Locality and Noncontextuality Inequalities in Quantum Theory
Yuichiro Kitajima
The CHSH inequality is an inequality used to test locality in quantum theory and is recognized as one of Bell's inequalities. In contrast, the KCBS inequality is employed to test n…
Approximate real-time evolution operator for potential with one ancillary qubit and application to first-quantized Hamiltonian simulation
Xinchi Huang, Taichi Kosugi, Hirofumi Nishi +1
In this article, we compare the methods implementing the real-time evolution operator generated by a unitary diagonal matrix where its entries obey a known underlying real function…