Exoplanet Orbital Distribution around FGK Sun-like Host Stars II: a valley in the orbital semi-major axis distribution of sub-Neptunes
Li Zeng, Stephanie C. Werner, Stein B. Jacobsen, Elena Mamonova, Reidar G. Trønnes + 1 more
TLDR
This study presents evidence for the quantization of exoplanet orbits around stars, suggesting long-range standing waves in protoplanetary disks.
Key contributions
- Presents evidence for quantized exoplanet orbits around FGK sun-like host stars.
- Proposes long-range standing waves in protoplanetary disks as the mechanism for orbital quantization.
- Suggests these standing waves, previously seen at >10 AU, may exist within 1 AU of stars.
- Findings are supported by careful analysis and comparison of data from different surveys.
Why it matters
This research proposes a revolutionary new understanding of exoplanet orbital distribution, suggesting a quantum-like behavior for planetary systems. It opens new avenues for studying planet formation and disk dynamics, potentially unifying concepts across scales.
Original Abstract
More than one hundred years ago, physics has been revolutionized when people realized that electronic orbitals, or electromagnetic interactions in general, are quantized. Now, in this study, we are presenting evidence of quantization of planet orbits around stars. Confining a wave in spatial dimensions "quantizes" its wave number. Therefore, this study points to the evidence of the existence of long-range standing waves in the proto-planetary disks. Such waves, although being on a much larger scale of few tens of AU, have already been found by ALMA observation-so called ring-like structure. Now we see that it may exist within 1 AU, and may exert its effect on the existence and distribution of planets within this distance range to the host star. Careful analysis has been carried out to compare the results of different surveys.
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