Tuesday, October 22, 2019

Classical Versus Quantum Narratives

Classical versus quantum are really two very different but still related narratives that underpin physical reality. While our macroscopic reality is very classical, our microscopic reality is quantum and so the two narratives derive from the very different natures of our macroscopic versus microscopic realities. Classically, the visual, audio, touch, taste, and odor contrasts of matter motion through space and time define our macroscopic reality, while the quantum amplitude and phase of much higher resolution spectra refine our microscopic reality.

In particular, we only sense a very low resolution and limited visible light spectrum and do not sense the phase or polarization of that light at all and there are similar low resolution spectra for all of our other senses as well. These low resolution spectra contrast with the very high resolution spectra that science records from many different devices. Science measures light, sound, impulse, chemistry, and odor not only at other vastly different wavelengths, but also at much higher resolution that also include phase as well as wavelength in its spectra. While there is a great deal of overlap between our macroscopic and microscopic narratives, there are many dramatic differences as well.

In our macroscopic reality, matter does not appear to exist in the same exact place at one time nor does the same matter appear to exist in more than one place at a time, either. Classically there are knowable precursors for every outcome in spite of the fact that we might not know those precursors because they might be hidden or otherwise obscured by noise. In other words, there is no classical limit to the precision of our knowledge of classical precursors despite the noise.

In our microscopic reality, though, matter can exist in the same exact place and time as other matter and the same matter can also exist in more than one place at a time as well. This is simply a consequence of quantum superposition and entanglement and does not violate causality. Thus there are still quantum precursors for every quantum outcome, but we may not be able to precisely know or measure those quantum precursors. Unlike the unlimited precision of classical knowledge, there is a discrete quantum limit to the precision of our knowledge of quantum precursors.

In both classical and quantum narratives, a pulse of light exists with both an average frequency as well as an instantaneous amplitude versus time and amplitude versus frequency. In addition, a pulse of light also has a single classical polarization state, but always a quantum superposition of two orthogonal polarization states. While a classical light pulse exists with a single well-defined polarization state, a quantum light pulse exists in a superposition of two orthogonal polarization states.

Therefore a single quantum photon always exists as a superposition of polarizations in contrast to a single classical photon that only exists with a well-defined single polarization. It is not possible to reconcile the notions of non oscillating classical matter with the oscillation of classical light. This represents the irreducible conundrum of classical versus quantum narratives. While a pair of correlated oscillating quantum states can represent a classical state, there is no classical representation for a single quantum state.

The quantum gravity biphoton reconciles classical determinate gravity relativity with the discrete uncertainties of quantum charge. While the photon-matter exchange of charge is necessarily quantum, biphoton-matter exchange is classical because of the entanglement and symmetry of quantum phase. Unlike the microscopic single photon exchange of charge with uncertain outcomes, the macroscopic biphoton exchange of gravity occurs with the determinate outcomes of universe change. The uncertainties of quantum gravity only show up at the scale of the universe while the uncertainties of atomic charge show up at the atomic scale.

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