noise

This guide covers noise models, noisy simulation, characterization, and error mitigation in Cirq.

Skills
Scientific
0

What it does and how to use it

A skill that teaches Claude Code to do scientific tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
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Install (Claude Code)

mkdir -p .claude/skills/noise && curl -fsSL https://doutorai.pt/data/lib/skills__noise.md -o .claude/skills/noise/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

# Noise Modeling and Mitigation

This guide covers noise models, noisy simulation, characterization, and error mitigation in Cirq.

## Noise Channels

### Depolarizing Noise

```python
import cirq
import numpy as np

# Single-qubit depolarizing channel
depol_channel = cirq.depolarize(p=0.01)

# Apply to qubit
q = cirq.LineQubit(0)
noisy_op = depol_channel(q)

# Add to circuit
circuit = cirq.Circuit(
    cirq.H(q),
    depol_channel(q),
    cirq.measure(q, key='m')
)
```

### Amplitude Damping

```python
# Amplitude damping (T1 decay)
gamma = 0.1
amp_damp = cirq.amplitude_damp(gamma)

# Apply a

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