Introduces first-order gauge-invariant (FOGI) properties to characterize quantum gate errors systematically. Provides mathematical framework and algorithms for constructing observable error metrics independent of measurement gauge.
#QuantumErrorCharacterization #QuantumControl #QuantumBenchmarking
#QuantumErrorCharacterization #QuantumControl #QuantumBenchmarking
First-Order Gauge-Invariant Theory of Small Markovian Errors in Quantum Gate Sets
arxiv.org
August 18, 2026 at 3:46 PM
Introduces first-order gauge-invariant (FOGI) properties to characterize quantum gate errors systematically. Provides mathematical framework and algorithms for constructing observable error metrics independent of measurement gauge.
#QuantumErrorCharacterization #QuantumControl #QuantumBenchmarking
#QuantumErrorCharacterization #QuantumControl #QuantumBenchmarking
A geometry-based tangent space decomposition on CPTP map manifolds separates coherent, Markovian, and non-Markovian error contributions from a single tomographic snapshot, validated experimentally on a trapped ⁴⁰Ca⁺ ion qubit.
#QuantumErrorCharacterization #TrappedIon #Research
#QuantumErrorCharacterization #TrappedIon #Research
Tangent Space Decomposition for Characterizing Coherent and Non-Markovian Quantum Gate Errors
iq.fp2.dev
March 4, 2026 at 10:01 AM
A geometry-based tangent space decomposition on CPTP map manifolds separates coherent, Markovian, and non-Markovian error contributions from a single tomographic snapshot, validated experimentally on a trapped ⁴⁰Ca⁺ ion qubit.
#QuantumErrorCharacterization #TrappedIon #Research
#QuantumErrorCharacterization #TrappedIon #Research