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Bounds on Autonomous Quantum Error Correction
Oles Shtanko, Yu-Jie Liu, Simon Lieu +2
Autonomous quantum memories are a way to passively protect quantum information using engineered dissipation that creates an ``always-on'' decoder. We analyze Markovian autonomous d…
Improved Digital Quantum Simulation by Non-Unitary Channels
W. Gong, Yaroslav Kharkov, Minh C. Tran +2
Simulating quantum systems is one of the most promising avenues to harness the computational power of quantum computers. However, hardware errors in noisy near-term devices remain…
High-Energy Collision of Quarks and Mesons in the Schwinger Model: From Tensor Networks to Circuit QED
Ron Belyansky, Seth Whitsitt, Niklas Mueller +4
With the aim of studying nonperturbative out-of-equilibrium dynamics of high-energy particle collisions on quantum simulators, we investigate the scattering dynamics of lattice qua…
Robust gates with spin-locked superconducting qubits
Ido Zuk, Daniel Cohen, Alexey V. Gorshkov +1
Dynamical decoupling is effective in reducing gate errors in most quantum computation platforms and is therefore projected to play an essential role in future fault-tolerant constr…
A sharp phase transition in linear cross-entropy benchmarking
Brayden Ware, Abhinav Deshpande, Dominik Hangleiter +4
Demonstrations of quantum computational advantage and benchmarks of quantum processors via quantum random circuit sampling are based on evaluating the linear cross-entropy benchmar…
Entanglement Renormalization Circuits for Chiral Topological Order
Su-Kuan Chu, Guanyu Zhu, Alexey V. Gorshkov
Entanglement renormalization circuits are quantum circuits that can be used to prepare large-scale entangled states. For years, it has remained a mystery whether there exist scale-…