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(Quantum) gravity effects via exotic ℝ 4
Author(s) -
Król J.
Publication year - 2010
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.201010446
Subject(s) - physics , scalar (mathematics) , quantum gravity , quantum , scale (ratio) , solar system , statistical physics , theoretical physics , stability (learning theory) , classical mechanics , quantum mechanics , astrophysics , computer science , mathematics , geometry , machine learning
The arguments are given that exotic smooth ℝ 4 's can be considered as the natural counterpart for geometry of quantum gravity in some limits. This follows from the relations of these exotics to ℤ 2 orientifolds of WZW models on SU(2), abelian gerbes on S 3 , generalized Hitchin's–Gualtieri structures as well gerbes on some orbifolds. Non‐standard smoothings of ℝ 4 seem to carry also quantum information about spacetime and gravity.
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