Conjugate observables cannot simultaneously be known to arbitrary precision; e.g. σ_x · σ_p ≥ ℏ/2.
Heisenberg uncertainty principle
Related concepts
- Reduced Planck constant (ℏ)
- Newton's first law (inertia)
- Fourier transform
- Stone–von Neumann theorem
- Wigner's theorem
- No-cloning theorem
- Atom interferometry
- Squeezed state of light
- Shot-noise (standard quantum) limit
- Quantum vacuum fluctuation
- Bohr atomic model
- Quantum-mechanical atomic model
- Carbon dioxide (CO₂)