- Article
1 Citations
2,634 Views
7 Pages
Parton Distribution Functions and Tensorgluons
- Roland Kirschner and
- George Savvidy
We derive the regularised evolution equations for the parton distribution functions that include tensorgluons.
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Universe, Volume 6, Issue 7
July 2020 - 12 articles
Cover Story: Tensor network methods are powerful tools to study the properties of statistical and quantum systems. Here we present a new tensor network algorithm for (2+1)-dimensional lattice gauge theory, based on the fusion basis. The fusion basis diagonalizes a hierarchical set of Wilson and ’t Hooft loops. It therefore allows direct access to these observables. As opposed to the previously employed spin network basis, the fusion basis is stable under coarse graining. Furthermore, the algorithm implements predefined disentanglers that remove short-scale entanglement. We apply this new algorithm to lattice gauge theories defined for a quantum deformation of SU(2) and identify the critical couplings for different deformations. The results indicate the absence of a deconfining phase for the undeformed case. View this paper.
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Articles (12)
- Article
18 Citations
3,374 Views
11 Pages
Gravitational Waves in Axion Dark Matter
- Chong-Sun Chu,
- Jiro Soda and
- Daiske Yoshida
Axion dark matter is interesting as it allows a natural coupling to the gravitational Chern–Simons term. In the presence of an axion background, the gravitational Chern–Simons term produces parity violating effects in the gravitational se...
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Universe - ISSN 2218-1997