Reimer, T.; Harter, W.G. "SIMPLEST MOLECULE" CLARIFIES MODERN PHYSICS I. CW LASER SPACE-TIME FRAME DYNAMICS. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014.

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Molecular spectroscopy makes very precise applications of quantum theory including GPS, BEC, and laser clocks. Now it can return the favor by shedding some light on modern physics mysteries by further unifying quantum theory and relativity.

\\* We first ask, “What is the simplest molecule?” Hydrogen $H_{2}$ is the simplest \underline{stable} molecule. \textit{Positronium} is an electron-positron ($e^{+}e^{-}$)-pair. An even simpler “molecule” or “radical” is a photon-pair ($\gamma$, $\gamma$) that under certain conditions can create an ($e^{+}$$e^{-}$)-pair.

\\* To help unravel relativistic and quantum mysteries consider CW laser beam pairs or TE-waveguides. Remarkably, their wave interference immediately gives Minkowski space-time coordinates and clearly relates eight kinds of space-time wave dilations or contractions to shifts in Doppler frequency or wavenumber.

\\* Modern physics students may find this approach significantly simplifies and clarifies relativistic physics in space-time \textit{(x,ct)} and inverse time-space \textit{($\omega$,ck)}. It resolves some mysteries surrounding super-constant \textit{c=299,792,458m/s} by proving “Evenson's Axiom” named in honor of NIST metrologist Ken Evenson (1932-2002) whose spectroscopy established c to start a precision-renaissance in spectroscopy and GPS metrology.

\\* The following Talk II applies this approach to relativistic quantum mechanics.