错误、噪声与信道noise
相干与系统性噪声
由系统性过旋转或其他幺正偏差产生、可在多轮操作中相干累积且不能仅由 Pauli 错误率刻画的噪声。
- 成熟度
- 成熟方法
- 重要度
- 核心主题
- 证据
- 2 篇代表来源
01
范围与辨析
需区分物理相干性、随机化编译后的有效 Pauli 通道和逻辑层相干性；benchmark 应公开旋转轴、角度与随机噪声混合比例。
02
核心机制与研究判断
核心机制
- unitary over-rotation
- coherent accumulation
- Pauli twirling gap
- logical channel characterization
适用与评测约束
- Stochasticity
- must be declared
- Correlation Scope
- space and time must be declared
- Calibration Dependence
- must be declared
- Benchmark Comparability
- requires code circuit noise decoder tuple
- Simulation Representation
- channel or process must be declared
03
全栈位置与直接关系
noise/channel/coherent04
代表证据
定义2018
Quantum Error Correction Decoheres NoiseStefanie J. Beale, Joel J. Wallman, Mauricio Gutiérrez, Kenneth R. Brown and Raymond LaflammeBenchmark2025
Logical error rates for the surface code under a mixed coherent and stochastic circuit-level noise model inspired by trapped ionsTyler LeBlond, Peter Groszkowski, Justin G. Lietz, Christopher M. Seck and Ryan S. Bennink