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31 papers · 2 filters
Monogamy-of-entanglement-inspired protocol to quantify bipartite entanglement using spin squeezing
Diego Fallas Padilla, Mingjian Zhu, Han Pu
Quantum entanglement is an essential resource for quantum science and technology. However, entanglement detection and quantification, via typical entanglement measures such as line…
Engineering tunable decoherence-free subspaces with collective atom-cavity interactions
Lyryl H. C. Vaecairn, Jarrod T. Reilly, John Drew Wilson +2
We propose schemes to design and control a time-dependent decoherence-free subspace (DFS) in a dissipative atom-cavity system. These schemes use atoms with three internal energy le…
Low-density parity-check codes as stable phases of quantum matter
Chao Yin, Andrew Lucas
Phases of matter with robust ground-state degeneracy, such as the quantum toric code, are known to be capable of robust quantum information storage. Here, we address the converse q…
Exact analytic toolbox for quantum dynamics with tunable noise strength
Mert Okyay, Oliver Hart, Rahul Nandkishore +1
We introduce a framework that allows for the exact analytic treatment of quantum dynamics subject to coherent noise. The noise is modeled via unitary evolution under a Hamiltonian…
Measurement-induced phase transitions in monitored infinite-range interacting systems
Anna Delmonte, Zejian Li, Gianluca Passarelli +4
A key challenge in observing measurement-induced phase transitions is the mitigation of the post-selection barrier, which causes the reproducibility of specific sequences of measur…
Quantum Simulation of Nonlinear Dynamical Systems Using Repeated Measurement
Joseph Andress, Alexander Engel, Yuan Shi +1
We present a quantum algorithm based on repeated measurement to solve initial-value problems for nonlinear ordinary differential equations (ODEs), which may be generated from parti…