Quantum theory

This paper

Energy formula in quantum theory

$E=h\nu$ (15)

$E=m_{\text{e}}{c}^2\cdot \frac{{\lambda }_{\text{C}}}{\lambda }$ (17)

Einstein—de Broglie’s relation

$\lambda =\frac{h}{p}$ (12)

$\lambda ={\lambda }_{\mathrm{C}}\cdot \frac{m_{e}c}{p}$ (18)