Quantum of circulation = 3.636 947 5467 × 10−4 m²·s⁻¹
- Value
- 3.636 947 5467 × 10−4
- Unit
- m²·s⁻¹
- Uncertainty
- 0.000 000 0011 × 10⁻⁴
- Copy-ready
3.6369475467e-4
The quantum of circulation h/(2mₑ).
Sets the quantised circulation of vortices in superfluids (with the relevant particle mass); twice the value is listed beneath.
The same quantity, other ways NIST lists it
| Quantity (NIST name) | Value | Unit | Uncertainty |
|---|---|---|---|
| Quantum of circulation times 2 | 7.273 895 0934 × 10−4 | m²·s⁻¹ | 0.000 000 0023 × 10⁻⁴ |
NIST, Fundamental Physical Constants — Complete Listing (2022 CODATA adjustment), retrieved 2026-07-26.
Electrical, thermal and X-ray constants
Angstrom starConductance quantumCopper x unitElectron charge to mass quotientFermi coupling constantFirst radiation constantHartree energyJosephson constantLattice parameter of siliconLattice spacing of ideal Si (220)Loschmidt constant (273.15 K, 101.325 kPa)Magnetic flux quantumMolar mass constantMolar mass of carbon-12Molar Planck constantMolar volume of siliconMolybdenum x unitNeutron-proton mass differenceProton charge to mass quotientQuantum of circulationSackur-Tetrode constant (1 K, 101.325 kPa)Second radiation constantVon Klitzing constantWeak mixing angleWien frequency displacement law constantW to Z mass ratio