| Issue |
EPL
Volume 138, Number 3, May 2022
|
|
|---|---|---|
| Article Number | 39002 | |
| Number of page(s) | 7 | |
| Section | Gravitation, cosmology and astrophysics | |
| DOI | https://doi.org/10.1209/0295-5075/ac6976 | |
| Published online | 01 June 2022 | |
Investigating bounds on the extended uncertainty principle metric through astrophysical tests
Department of Physics, Faculty of Science, Istanbul University - Istanbul, 34134, Turkey
(a) ozgur.okcu@ogr.iu.edu.tr (corresponding author)
(b) ekrem.aydiner@istanbul.edu.tr
Received: 25 February 2022
Accepted: 22 April 2022
In this paper, we consider the gravitational tests for the extended uncertainty principle (EUP) metric, which is a large-scale quantum correction to Schwarzschild metric. We calculate gravitational redshift, geodetic precession, Shapiro time delay, precession of Mercury and S2 star's orbits. Using the results of experiments and observations, we obtain the lower bounds for the EUP fundamental length scale 
. We obtain the smallest bound 
for gravitational redshift, and the largest bound 
for the precession of S2's orbit.
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