Dark energy and matter interacting scenario to relieve H 0 and S 8 tensions* * Supported by the National SKA Program of China (2022SKA0110200, 2022SKA0110203), and the National Natural Science Foundation of China (11975072, 11875102, 11835009)
{"title":"Dark energy and matter interacting scenario to relieve H 0 and S 8 tensions* * Supported by the National SKA Program of China (2022SKA0110200, 2022SKA0110203), and the National Natural Science Foundation of China (11975072, 11875102, 11835009)","authors":"Li-Yang Gao, She-Sheng Xue, Xin Zhang","doi":"10.1088/1674-1137/ad2b52","DOIUrl":null,"url":null,"abstract":"We consider a new cosmological model (called <inline-formula>\n<tex-math><?CDATA $ \\tilde\\Lambda $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M1.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>CDM), in which the vacuum energy interacts with matter and radiation, and test this model using the current cosmological observations. Using the CMB+BAO+SN (CBS) dataset to constrain the model, we find that <inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M2.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> and <inline-formula>\n<tex-math><?CDATA $ S_8 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M3.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> tensions are relieved to <inline-formula>\n<tex-math><?CDATA $ 2.87\\sigma $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M4.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> and <inline-formula>\n<tex-math><?CDATA $ 2.77\\sigma $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M5.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>, respectively. However, in this case, the <inline-formula>\n<tex-math><?CDATA $ \\tilde\\Lambda $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M6.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>CDM model is not favored by the data, compared with ΛCDM. We find that when the <inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M7.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> and <inline-formula>\n<tex-math><?CDATA $ S_8 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M8.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> data are added to the data combination, the situation is significantly improved. In the CBS+<inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M9.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> case, the model relieves the <inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M10.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> tension to <inline-formula>\n<tex-math><?CDATA $ 0.47\\sigma $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M11.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>, and the model is favored over ΛCDM. In the CBS+<inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M12.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>+<inline-formula>\n<tex-math><?CDATA $ S_8 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M13.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> case, we obtain a synthetically best situation, in which the <inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M14.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> and <inline-formula>\n<tex-math><?CDATA $ S_8 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M15.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> tensions are relieved to <inline-formula>\n<tex-math><?CDATA $ 0.72\\sigma $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M16.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> and <inline-formula>\n<tex-math><?CDATA $ 2.11\\sigma $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M17.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula>, respectively. In this case, the model is most favored by the data. Therefore, this cosmological model can greatly relieve the <inline-formula>\n<tex-math><?CDATA $ H_0 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M18.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> tension and simultaneously effectively alleviate the <inline-formula>\n<tex-math><?CDATA $ S_8 $?></tex-math>\n<inline-graphic xlink:href=\"cpc_48_5_051001_M19.jpg\" xlink:type=\"simple\"></inline-graphic>\n</inline-formula> tension.","PeriodicalId":10250,"journal":{"name":"中国物理C","volume":"52 1","pages":""},"PeriodicalIF":3.6000,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"中国物理C","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1088/1674-1137/ad2b52","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PHYSICS, NUCLEAR","Score":null,"Total":0}
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Abstract
We consider a new cosmological model (called CDM), in which the vacuum energy interacts with matter and radiation, and test this model using the current cosmological observations. Using the CMB+BAO+SN (CBS) dataset to constrain the model, we find that and tensions are relieved to and , respectively. However, in this case, the CDM model is not favored by the data, compared with ΛCDM. We find that when the and data are added to the data combination, the situation is significantly improved. In the CBS+ case, the model relieves the tension to , and the model is favored over ΛCDM. In the CBS++ case, we obtain a synthetically best situation, in which the and tensions are relieved to and , respectively. In this case, the model is most favored by the data. Therefore, this cosmological model can greatly relieve the tension and simultaneously effectively alleviate the tension.
期刊介绍：
Chinese Physics C covers the latest developments and achievements in the theory, experiment and applications of:
Particle physics;
Nuclear physics;
Particle and nuclear astrophysics;
Cosmology;
Accelerator physics.
The journal publishes original research papers, letters and reviews. The Letters section covers short reports on the latest important scientific results, published as quickly as possible. Such breakthrough research articles are a high priority for publication.
The Editorial Board is composed of about fifty distinguished physicists, who are responsible for the review of submitted papers and who ensure the scientific quality of the journal.
The journal has been awarded the Chinese Academy of Sciences ‘Excellent Journal’ award multiple times, and is recognized as one of China''s top one hundred key scientific periodicals by the General Administration of News and Publications.
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