Adaptive single-qubit measurements certify arbitrary pure n-qubit states with O(n/eps) copies, while any nonadaptive method needs exponential copies for some states.
Direct fidelity estimation from few P auli measurements
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
quant-ph 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Few Single-Qubit Measurements Suffice to Certify Any Quantum State
Adaptive single-qubit measurements certify arbitrary pure n-qubit states with O(n/eps) copies, while any nonadaptive method needs exponential copies for some states.