A Monte Carlo method maps quantum Fisher information lower bounds for explicit many-body wavefunctions to classical expectation values, enabling efficient computation under decoherence for Jastrow-Gutzwiller states.
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The work extends a prior protocol to compare single-click and double-click entanglement generation between ions over hundreds of kilometers, showing that optimal choice depends on phase stability and interface efficiencies.
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Quantum Fisher Information under decoherence with explicit wavefunctions
A Monte Carlo method maps quantum Fisher information lower bounds for explicit many-body wavefunctions to classical expectation values, enabling efficient computation under decoherence for Jastrow-Gutzwiller states.
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Single and Double-click High-Rate Entanglement Generation Between Distant Ions Using Multiplexed Atomic Ensembles
The work extends a prior protocol to compare single-click and double-click entanglement generation between ions over hundreds of kilometers, showing that optimal choice depends on phase stability and interface efficiencies.