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6 papers · 2 filters
Inter-temperature Bandwidth Reduction in Cryogenic QAOA Machines
Yosuke Ueno, Yuna Tomida, Teruo Tanimoto +4
The bandwidth limit between cryogenic and room-temperature environments is a critical bottleneck in superconducting noisy intermediate-scale quantum computers. This paper presents…
Out-of-Time-Order Correlation as a Witness for Topological Phase Transitions
Qian Bin, Liang-Liang Wan, Franco Nori +2
We propose a physical witness for dynamically detecting topological phase transitions (TPTs) via an experimentally observable out-of-time-order correlation (OTOC). The distinguisha…
Extension of Noether's theorem in PT-symmetric systems and its experimental demonstration in an optical setup
Q. C. Wu, J. L. Zhao, Y. L. Fang +4
Noether's theorem is one of the fundamental laws in physics, relating the symmetry of a physical system to its constant of motion and conservation law. On the other hand, there exi…
Convergence condition of simulated quantum annealing with a non-stoquastic catalyst
Yusuke Kimura, Hidetoshi Nishimori
The Ising model with a transverse field and an antiferromagnetic transverse interaction is represented as a matrix in the computational basis with non-zero off-diagonal elements wi…
Enhanced tripartite interactions in spin-magnon-mechanical hybrid systems
Xin-Lei Hei, Peng-Bo Li, Xue-Feng Pan +1
Coherent tripartite interactions among degrees of freedom of completely different nature are instrumental for quantum information and simulation technologies, but they are generall…
-photon blockade with an -photon parametric drive
Yan-Hui Zhou, Fabrizio Minganti, Wei Qin +5
We propose a mechanism to engineer an -photon blockade in a nonlinear cavity with an -photon parametric drive . When an -photon-excitation reson…