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DD: Fachverband Didaktik der Physik
DD 38: Astronomie – Poster
DD 38.4: Poster
Mittwoch, 28. Februar 2024, 14:00–15:00, ELP 6: Foyer
Students Analyze the Impact of the H0 Tension of the Worldview — •Hans-Otto Carmesin — Athenaeum, Stade — Studienseminar Stade — Universität Bremen, Fachbereich 1
The modern worldview is based on the expansion of space (Einstein 1917, Hubble 1929). Friedman (1922) & Lemaitre (1927) used Einstein’s general relativity to derive a time evolution of that expansion. They used the Hubble constant H0, a key parameter for the rate of expansion. But Riess (2022) observed at the 5 σ confidence level that H0 is not constant: This problem is named H0 tension. What impact does it have on the worldview? We show how students can derive the source of the H0 tension: Based on the usual algebraic structure of Einstein’s ingenious general relativity, the dynamics of volume are analyzed & derived. These dynamics are used to analyze the H0 tension: The increase of heterogeneity in the universe causes an increase of H0(t) with time. H0(t) is derived and implies that the age of the universe is 500000000 years smaller than expected before. Our results are precise accordance with observation and fully derived from physical principles [1-3]. Experiences from teaching in research clubs and general study courses at a university are presented. [1] Carmesin, H.-O. (2021): Quanta of Spacetime Explain Observations, Dark Energy, Graviton and Nonlocality. Berlin: Verlag Dr. Köster. [2] Carmesin, H.-O. (2023): Geometrical and Exact Unification of Spacetime, Gravity and Quanta. Berlin: Verlag Dr. Köster. [3] More info: https://www.researchgate.net/profile/Hans-Otto-Carmesin
Keywords: Relativity; Gravity; Quantum Physics; Dark Energy; Foundations of Physics