Dehnen-type dark matter wormholes in the f(R,Lm,T) action


Errehymy A. Donmez O. Turimov B. Myrzakulov K. Alessa N. Abdel-Aty A.-H.
October 2025Academic Press Inc.

Annals of Physics
2025#481

We are exploring the possibility of traversable wormholes existing in a more realistic context. Specifically, we are looking at scenarios that do not rely on exotic factors, like having a mass shell at the throat or allowing particles and antiparticles to coexist without annihilation. To do this, we are constructing wormholes with double power-law density distributions, drawing inspiration from the Dehnen-type dark matter halo in the framework of generalized geometry-matter coupling gravity. Our investigation carefully considers the challenges of traversability and stability, as well as the roles of exotic matter, the exoticity parameter, and the anisotropy parameter. We have discovered solutions that describe asymmetric, asymptotically flat traversable wormholes, supported by a smooth metric and double power-law density distributions. These solutions successfully avoid the problems, giving us hope that such wormholes could actually exist in nature.

Dehnen-type dark matter halo , Generalized geometry-matter coupling gravity , Traversable wormholes

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Astrophysics Research Centre, School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Private Bag X54001, Durban, 4000, South Africa
Center for Theoretical Physics, Khazar University, 41 Mehseti Str., AZ, Baku, 1096, Azerbaijan
College of Engineering and Technology, American University of the Middle East, Egaila, 54200, Kuwait
Central Asian University, Milliy bog Str. 264, Tashkent, 111221, Uzbekistan
Alfraganus University, Yukori Karakamish Str. 2a, Tashkent, 100190, Uzbekistan
University of Tashkent for Applied Sciences, Gavhar Str. 1, Tashkent, 100149, Uzbekistan
Department of General and Theoretical Physics, L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
Department of Physics, College of Science, University of Bisha, P.O. Box 344, Bisha, 61922, Saudi Arabia

Astrophysics Research Centre
Center for Theoretical Physics
College of Engineering and Technology
Central Asian University
Alfraganus University
University of Tashkent for Applied Sciences
Department of General and Theoretical Physics
Department of Mathematical Sciences
Department of Physics

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