Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters
Many previous works have studied gravitational lensing effects from Loop Quantum Gravity. So far, gravitational lensing effects from Loop Quantum Gravity have only been studied by choosing large quantum parameters much larger than the Planck scale. However, by construction, the quantum parameters of...
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MDPI AG
2024-11-01
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| author | Haida Li Xiangdong Zhang |
| author_facet | Haida Li Xiangdong Zhang |
| author_sort | Haida Li |
| collection | DOAJ |
| description | Many previous works have studied gravitational lensing effects from Loop Quantum Gravity. So far, gravitational lensing effects from Loop Quantum Gravity have only been studied by choosing large quantum parameters much larger than the Planck scale. However, by construction, the quantum parameters of the effective models of Loop Quantum Gravity are usually related to the Planck length and, thus, are extremely small. In this work, by strictly imposing the quantum parameters as initially constructed, we study the true quantum corrections of gravitational lensing effects by five effective black hole models of Loop Quantum Gravity. Our study reveals several interesting results, including the different scales of quantum corrections displayed by each model and the connection between the quantum correction of deflection angles and the quantum correction of the metric. Observables related to the gravitational lensing effect are also obtained for all models in the case of SgrA* and M87*. |
| format | Article |
| id | doaj-art-9110a35cf1c04a8ea64a4973e13a1533 |
| institution | Kabale University |
| issn | 2218-1997 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
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| spelling | doaj-art-9110a35cf1c04a8ea64a4973e13a15332024-11-26T18:24:22ZengMDPI AGUniverse2218-19972024-11-01101142110.3390/universe10110421Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum ParametersHaida Li0Xiangdong Zhang1School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, ChinaSchool of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, ChinaMany previous works have studied gravitational lensing effects from Loop Quantum Gravity. So far, gravitational lensing effects from Loop Quantum Gravity have only been studied by choosing large quantum parameters much larger than the Planck scale. However, by construction, the quantum parameters of the effective models of Loop Quantum Gravity are usually related to the Planck length and, thus, are extremely small. In this work, by strictly imposing the quantum parameters as initially constructed, we study the true quantum corrections of gravitational lensing effects by five effective black hole models of Loop Quantum Gravity. Our study reveals several interesting results, including the different scales of quantum corrections displayed by each model and the connection between the quantum correction of deflection angles and the quantum correction of the metric. Observables related to the gravitational lensing effect are also obtained for all models in the case of SgrA* and M87*.https://www.mdpi.com/2218-1997/10/11/421general relativitygravitational lensingLoop Quantum Gravity |
| spellingShingle | Haida Li Xiangdong Zhang Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters Universe general relativity gravitational lensing Loop Quantum Gravity |
| title | Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters |
| title_full | Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters |
| title_fullStr | Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters |
| title_full_unstemmed | Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters |
| title_short | Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters |
| title_sort | gravitational lensing effects from models of loop quantum gravity with rigorous quantum parameters |
| topic | general relativity gravitational lensing Loop Quantum Gravity |
| url | https://www.mdpi.com/2218-1997/10/11/421 |
| work_keys_str_mv | AT haidali gravitationallensingeffectsfrommodelsofloopquantumgravitywithrigorousquantumparameters AT xiangdongzhang gravitationallensingeffectsfrommodelsofloopquantumgravitywithrigorousquantumparameters |