Holographic drag force with translational symmetry breaking
Abstract In order to investigate how the drag force is affected by translational symmetry breaking (TSB), we utilize a holographic model in which the background metric remains translational symmetric while a graviton mass or other fields in the theory break this symmetry. We calculate analytically t...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2024-12-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-024-13642-4 |
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| author | Sara Tahery Kazem Bitaghsir Fadafan Sahar Mojarrad Lamanjouei |
| author_facet | Sara Tahery Kazem Bitaghsir Fadafan Sahar Mojarrad Lamanjouei |
| author_sort | Sara Tahery |
| collection | DOAJ |
| description | Abstract In order to investigate how the drag force is affected by translational symmetry breaking (TSB), we utilize a holographic model in which the background metric remains translational symmetric while a graviton mass or other fields in the theory break this symmetry. We calculate analytically the drag force, considering an asymptotic $$\hbox {AdS}_5$$ AdS 5 in which parameter $$\alpha $$ α arises from TSB. This parameter can be intuitively understood as a measure of TSB strength and we anticipate that non-zero values of it will affect the drag force. In this asymptotic $$\hbox {AdS}_5$$ AdS 5 background, we will demonstrate that a decrease in $$\alpha $$ α results in a reduction of the drag force. Moreover, we study the diffusion constant, which falls with increasing $$\alpha $$ α . It will eventually be shown that at lower values of $$\alpha $$ α or $$\mu $$ μ (chemical potential), the transverse diffusion coefficient is larger than the longitudinal one, and the speed of the heavy quark has minimal impact on the ratio. |
| format | Article |
| id | doaj-art-2a0a34bfc9c24e15893b17d6dd35b067 |
| institution | Kabale University |
| issn | 1434-6052 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj-art-2a0a34bfc9c24e15893b17d6dd35b0672025-02-02T12:39:24ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522024-12-01841211010.1140/epjc/s10052-024-13642-4Holographic drag force with translational symmetry breakingSara Tahery0Kazem Bitaghsir Fadafan1Sahar Mojarrad Lamanjouei2Institute of Particle and Nuclear physics, Henan Normal UniversityFaculty of Physics, Shahrood University of TechnologyFaculty of Physics, Shahrood University of TechnologyAbstract In order to investigate how the drag force is affected by translational symmetry breaking (TSB), we utilize a holographic model in which the background metric remains translational symmetric while a graviton mass or other fields in the theory break this symmetry. We calculate analytically the drag force, considering an asymptotic $$\hbox {AdS}_5$$ AdS 5 in which parameter $$\alpha $$ α arises from TSB. This parameter can be intuitively understood as a measure of TSB strength and we anticipate that non-zero values of it will affect the drag force. In this asymptotic $$\hbox {AdS}_5$$ AdS 5 background, we will demonstrate that a decrease in $$\alpha $$ α results in a reduction of the drag force. Moreover, we study the diffusion constant, which falls with increasing $$\alpha $$ α . It will eventually be shown that at lower values of $$\alpha $$ α or $$\mu $$ μ (chemical potential), the transverse diffusion coefficient is larger than the longitudinal one, and the speed of the heavy quark has minimal impact on the ratio.https://doi.org/10.1140/epjc/s10052-024-13642-4 |
| spellingShingle | Sara Tahery Kazem Bitaghsir Fadafan Sahar Mojarrad Lamanjouei Holographic drag force with translational symmetry breaking European Physical Journal C: Particles and Fields |
| title | Holographic drag force with translational symmetry breaking |
| title_full | Holographic drag force with translational symmetry breaking |
| title_fullStr | Holographic drag force with translational symmetry breaking |
| title_full_unstemmed | Holographic drag force with translational symmetry breaking |
| title_short | Holographic drag force with translational symmetry breaking |
| title_sort | holographic drag force with translational symmetry breaking |
| url | https://doi.org/10.1140/epjc/s10052-024-13642-4 |
| work_keys_str_mv | AT saratahery holographicdragforcewithtranslationalsymmetrybreaking AT kazembitaghsirfadafan holographicdragforcewithtranslationalsymmetrybreaking AT saharmojarradlamanjouei holographicdragforcewithtranslationalsymmetrybreaking |