Probing a Quantum Solid with Deuterated Acetylene
The condensed phase is often thought of as a rigid, bulk composition of particles with severely restricted degrees of freedom – perhaps limited only to vibrational modes. In 1930, meditations on molecular rotation within crystals led Linus Pauling to the deduction that this behavior is merely natural, so long as the molecule in consideration possesses the appropriate mass and rotational quantum numbers. Little did he know, dynamical phenomena proliferate through other states of matter, like the quantum solid: a highly ordered array of particles capable of relatively large scale zero point motion ...
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