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T: Fachverband Teilchenphysik

T 100: Miscellaneous

T 100.1: Vortrag

Freitag, 20. März 2026, 09:00–09:15, KH 02.016

On a supplement to special relativity — •Fritz Riehle — Physikalisch Technische Bundesanstalt, Bundesallee 100, 38116 Braunschweig

It is well known that the restricted orthochronous Lorentz transformations form a group which contain the `right' symmetries (rotations and boosts) of special relativity. They represent direct isometries where not only the magnitude of every angle is preserved but also the sense of the angle (clockwise or counterclockwise). This group is a subgroup in the Poincaré group containing all isometries of Minkowski space. We found that the transformations associated with the derived energy-momentum relationship in Einstein's basement [1] correspond to reflections in velocity space. We investigate how these transformations can be identified with opposite isometries and discuss some of their consequences.

[1] Fritz Riehle and Sebastian Ulbricht, arXiv:2402.13679 [gr-qc]

Keywords: Special Relativity; Einstein's basement