= Philip McCord Morse
{c}
{title2=1903-1985}
= Philip M. Morse
{c}
{synonym}
= Philip Morse
{c}
{synonym}
A <physicist> whose <Morse potential> provides an exactly solvable model of molecular vibration. His 1929 solution of the <Schrödinger equation> replaces the equally spaced levels of a <harmonic oscillator> by levels whose spacing decreases toward dissociation. This <anharmonicity> makes the model useful for interpreting the <spectra> of <diatomic molecules>, where a chemical bond can stretch far enough to break.<Diatomic Molecules According to the Wave Mechanics. II. Vibrational Levels by Philip M. Morse>[Abstract: exact vibrational-level formula and comparison with molecular measurements]{ref}
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