# phys: nature does not always respect symmetry, the hypothesis

<< Physicists have been looking for laws that explain both the microscopic world of elementary particles and the macroscopic world of the universe and the Big Bang at its beginning, expecting that such fundamental laws should have symmetry in all circumstances. However, last year, two physicists found a theoretical proof that, at the most fundamental level, nature does not respect symmetry. >>

<< To try to understand gravity on the quantum level, Hirosi Ooguri, (..) and Daniel Harlow, (..) started with the holographic principle. This principle explains three-dimensional phenomena influenced by gravity on a two-dimensional flat space that is not influenced by gravity.  >>

<< The researchers showed that symmetry only affects the shaded regions in the diagram, not around the spot in the middle, thus there cannot be global symmetry.  >>

Motoko Kakubayashi. Gravity: We might have been getting it wrong this whole time. Kavli Institute for the Physics and Mathematics of the Universe. Jan 24, 2020.

https://m.phys.org/news/2020-01-gravity-wrong.html

Daniel Harlow, Hirosi Ooguri. Constraints on Symmetries from Holography. Phys. Rev. Lett. 122, 191601. doi: 10.1103/ PhysRevLett.122.191601. May 17, 2019.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.191601

Daniel Harlow, Hirosi Ooguri. Symmetries in quantum field theory and quantum gravity. arXiv: 1810.05338v2 [hep-th]. Jun 6, 2019.

https://arxiv.org/abs/1810.05338