Radical pair magnetic field effect

An interactive teaching example using a remote Python API and RadicalPy. Adjust the model parameters and request a new field sweep.

https://qubelab-spin-api.onrender.com/

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Isotropic hyperfine coupling (mT) 1.5 mT Exponential rate (s⁻¹) Maximum field (mT) 5 mT Product observable

No simulation has been run yet.

Model assumptions

Two electron spins, with one isotropically coupled ¹H nucleus.
Singlet initial state and exponential kinetic model.
Field sweep from zero to the selected maximum field.
This is a demonstration model, not a fit to experimental data.

For research use, validate the kinetic scheme, units, normalisation, and simulation settings against the relevant physical model and RadicalPy version.