Similar to メスバウアー効果

Beer–Lambert law

Rietveld refinement

Liouville's theorem (Hamiltonian)

Liouville field theory

Liouville–Arnold theorem

Liénard–Wiechert potential

Lissajous orbit

Richardson number

Lippmann–Schwinger equation

Richtmyer–Meshkov instability

Rydberg–Ritz combination principle

Rydberg constant

Lindhard theory

Rindler coordinates

Lewis number

Runge–Gross theorem

Laplace–Runge–Lenz vector

Raychaudhuri equation

Reynolds number

Reynolds transport theorem

Rayleigh scattering

Rayleigh–Jeans law

Rayleigh number

Rayleigh–Taylor instability

Solid-state physics

D orbital

GW approximation