= S. R. Jefferts
{c}
A researcher whose joint trapped-ion experiment prepared motion near the <ground state> in three dimensions. The measured sideband strengths revealed the remaining excitation after <resolved sideband cooling>. Such state diagnostics distinguish low thermal occupation from the unavoidable <zero-point energy> of a confined quantum particle.<Resolved-Sideband Raman Cooling of a Bound Atom to the 3D Zero-Point Energy by Christopher Monroe and others>[pp. 4011–4014: sideband analysis and residual vibrational excitation]{ref}
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