Post-measurement SSE QMC is introduced to study measurement effects on thermal states of the square-lattice Heisenberg antiferromagnet, showing efficient computation of Bell pairs and enhanced antiferromagnetic correlations in certain symmetry classes.
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A numerically efficient method is established to determine the quantum Cramer-Rao bound for continuously monitored quantum sensors subject to general environmental noise.
Trotterized near-thermal dynamics are substantially more robust to gate and Trotter errors than assumed, enabled by linear gate-error scaling with entanglement and a random product state ensemble approximating thermal states.
Local nonfreeness in Hubbard models equals mutual information of natural spin orbitals and is fully classical under number conservation, linking to nonlocal entanglement.
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Quantum Cramer-Rao Precision Limit of Noisy Continuous Sensing
A numerically efficient method is established to determine the quantum Cramer-Rao bound for continuously monitored quantum sensors subject to general environmental noise.
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Robustness of near-thermal dynamics on digital quantum computers
Trotterized near-thermal dynamics are substantially more robust to gate and Trotter errors than assumed, enabled by linear gate-error scaling with entanglement and a random product state ensemble approximating thermal states.