One hundred years afterwards Albert Einstein formulated the accepted approach of relativity, an all-embracing aggregation has proposed addition beginning proof. In a cardboard appear today in Nature Physics, advisers from the Hebrew University of Jerusalem, the Accessible University of Israel, Sapienza University of Rome, and University of Montpellier in France, call a affidavit for one of the theory’s basal assumptions: the abstraction that all ablaze particles, or photons, bear at absolutely the aforementioned speed.
The advisers analyzed data, acquired by NASA’s Fermi Gamma-ray Amplitude Telescope, of the accession times of photons from a abroad gamma-ray burst. The abstracts showed that photons traveling for billions of years from the abroad access against Earth all accustomed aural a atom of a additional of anniversary other.
This award indicates that the photons all confused at the aforementioned speed, alike admitting altered photons had altered energies. This is one of the best abstracts anytime of the ability of the acceleration of ablaze from the activity of the ablaze particles.
Beyond acknowledging the accepted approach of relativity, the ascertainment rules out one of the absorbing account apropos the affinity of accepted relativity and breakthrough theory. While these two theories are the pillars of physics today, they are still inconsistent, and there is an built-in bucking amid the two that is partially based on Heisenberg’s ambiguity assumption that is at the affection of breakthrough theory.
One of the attempts to accommodate the two theories is the abstraction of “space-time foam.” According to this concept, on a diminutive calibration amplitude is not continuous, and instead it has a foam-like structure. The admeasurement of these cream elements is so tiny that it is difficult to brainstorm and is at present absurd to admeasurement directly. However ablaze particles that are traveling aural this cream will be afflicted by the barmy structure, and this will account them to bear at hardly altered speeds depending on their energy.
Yet this agreement shows otherwise. The actuality that all the photons with altered energies accustomed with no time adjournment about to anniversary added indicates that such a barmy structure, if it exists at all, has a abundant abate admeasurement than ahead expected.
“When we began our analysis, we didn’t apprehend to access such a absolute measurement,” said Prof. Tsvi Piran, the Schwartzmann University Chair at the Hebrew University’s Racah Institute of Physics and a baton of the research. “This new absolute is at the akin accepted from breakthrough force theories and can absolute us how to amalgamate breakthrough approach and relativity.”
Explore further: Gamma Ray Adjournment May Be Sign of ‘New Physics’
More information: A Planck-scale absolute on spacetime fuzziness and academic Lorentz invariance violation, Nature, 2015. DOI: 10.1038/nphys3270
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