Limits RegistryPUBLIC RECORDLimits RegistryResearch Console →Independent-probe phase estimation exhibits inverse-square-root resource scaling.
The question, scope, and sources behind this Registry record.
Lower-bound locally unbiased phase-estimation error for N independent probes per trial and nu independent repetitions.
Current frontiers derived from accepted Claims.
Assertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.
Limits Registry. LR-003320. Standard quantum limit for independent probes. 2026.