d = 4 as the critical dimensionality of asymptotically safe interactions

Astrid Eichhorn; Marc Schiffer

doi:10.1016/j.physletb.2019.05.005

d = 4 as the critical dimensionality of asymptotically safe interactions

Astrid Eichhorn^*, Marc Schiffer

^*Corresponding author for this work

Department of Physics, Chemistry and Pharmacy

Heidelberg University

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

We explore the question why our universe is four dimensional from an asymptotically safe vantage point. We find hints that asymptotically safe quantum fluctuations of gravity can only solve the U(1)Landau-pole problem in the Standard Model in four dimensions. This could single out the observed dimensionality of the universe as the critical dimensionality of asymptotically safe interactions.

Original language	English
Journal	Physics Letters B
Volume	793
Pages (from-to)	383-389
Number of pages	7
ISSN	0370-2693
DOIs	https://doi.org/10.1016/j.physletb.2019.05.005
Publication status	Published - 10. Jun 2019

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title = "d = 4 as the critical dimensionality of asymptotically safe interactions",

abstract = "We explore the question why our universe is four dimensional from an asymptotically safe vantage point. We find hints that asymptotically safe quantum fluctuations of gravity can only solve the U(1)Landau-pole problem in the Standard Model in four dimensions. This could single out the observed dimensionality of the universe as the critical dimensionality of asymptotically safe interactions.",

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AU - Schiffer, Marc

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AB - We explore the question why our universe is four dimensional from an asymptotically safe vantage point. We find hints that asymptotically safe quantum fluctuations of gravity can only solve the U(1)Landau-pole problem in the Standard Model in four dimensions. This could single out the observed dimensionality of the universe as the critical dimensionality of asymptotically safe interactions.

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DO - 10.1016/j.physletb.2019.05.005

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VL - 793

SP - 383

EP - 389

JO - Physics Letters B

JF - Physics Letters B

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d = 4 as the critical dimensionality of asymptotically safe interactions

Abstract

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d = 4 as the critical dimensionality of asymptotically safe interactions