Quantum Decoherence Calculator
Calculate quantum decoherence time, coherence decay, purity, and fidelity degradation for quantum systems.
Inputs
s
Hz
K
Results
Decoherence Time
0 s
Coherence Decay
0.3679
Purity
0.3679
Fidelity
0.3679
Quality Factor1,000
Thermal Decoherence Time0 s
Decoherence Time
0 s
Coherence Decay
0.3679
Purity
0.3679
Fidelity
0.3679
How to Use This Calculator
- Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
- Coherence Time — Quantum coherence lifetime Accepts values from 1e-12 s to 1 s (default: 0.000001 s).
- Decoherence Rate — Rate of decoherence Accepts values from 1 Hz to 1,000,000,000,000,000 Hz (default: 1,000,000 Hz).
- Temperature — System temperature Accepts values from 0.001 K to 10 K (default: 0.1 K).
- Coupling Strength — Environment coupling strength Accepts values from 0 to 1 (default: 0.01).
- Once all inputs are set, review your results in the Results panel. Here's what each output means:
- Decoherence Time — shown as a numeric value. This is the primary result of this calculator.
- Coherence Decay — shown as a numeric value. This is the primary result of this calculator.
- Purity — shown as a numeric value. This is the primary result of this calculator.
- Fidelity — shown as a numeric value. This is the primary result of this calculator.
- Quality Factor — shown as a numeric value.
- Thermal Decoherence Time — shown as a numeric value.
- Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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Formula
ρ(t) = ρ(0) × e^(-t/T₂)Related Calculators
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