Bohr radius (hydrogen scale) (a₀ ≈ 0.529 Å = 5.29×10⁻¹¹ m)
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a₀ ≈ 0.529 Å = 5.29×10⁻¹¹ m
What each symbol means
| Symbol | What it stands for |
|---|---|
| e | Elementary charge (C) |
| ħ | h/(2π) |
| a_0 | Bohr radius (m) |
| m_e | Electron mass (kg) |
| ε₀ | Permittivity of free space |
When to use this
Hydrogen-like normalisation constant; exact for Z=1 ground orbit size scale.