Zero-point energy
= Zero-point energy
{wiki}
Zero-point energy is the nonzero ground-state energy left by quantum fluctuations. One harmonic oscillator contributes $\omega/2$ before any regularization or normal-ordering subtraction.
= Zero-point energy
{wiki}
Zero-point energy is the nonzero ground-state energy left by quantum fluctuations. One harmonic oscillator contributes $\omega/2$ before any regularization or normal-ordering subtraction.