Authors: Joshua Ramette, Josiah Sinclair, Vladan Vuletić

Published on: January 21, 2024

Impact Score: 8.3

Arxiv code: Arxiv:2401.11407

Summary

• What is new: Introduces ‘counter-factual’ carving, a novel method for generating high-fidelity, entangled many-body states.
• Why this is important: The challenge of generating entangled states with low infidelity in quantum computing and quantum metrology.
• What the research proposes: Using ‘no-jump’ evolution where a probe’s interaction with a qubit ensemble, dependent on collective spin, allows for selective removal of faster-decaying spin components to reduce infidelity.
• Results: Achieved an exponential improvement in the generation of entangled states, with infidelities of $e^{-C/N}$, leveraging the cooperativity between probe and qubit ensemble.

Technical Details

Technological frameworks used: Theoretical physics framework for quantum computing and metrology

Models used: Counter-factual carving method with ‘no-jump’ probe evolution

Data used: Entanglement data from qubit ensembles within a cavity mode of cooperativity $C$

Potential Impact

Quantum computing and quantum metrology sectors, particularly those developing quantum computers, sensors, and encryption technologies.

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