Himanshu Chaudhary, Ujjal Debnath, S. K. J. Pacif, G. Mustafa
{"title":"Determination of \u0000 \u0000 \u0000 H\u0000 0\u0000 \u0000 $H_{0}$\u0000 and \u0000 \u0000 \u0000 r\u0000 d\u0000 \u0000 $r_d$\u0000 in Horava–Lifshitz Gravity Using DESI-Y1 and SDSS-IV Dataset: Alleviating the Hubble Tension","authors":"Himanshu Chaudhary, Ujjal Debnath, S. K. J. Pacif, G. Mustafa","doi":"10.1002/andp.202400421","DOIUrl":"https://doi.org/10.1002/andp.202400421","url":null,"abstract":"<p>Observational data are used from Baryon Acoustic Oscillations (DESI-Y1 and SDSS-IV), the <span></span><math>\u0000 <semantics>\u0000 <msup>\u0000 <mtext>Pantheon</mtext>\u0000 <mo>+</mo>\u0000 </msup>\u0000 <annotation>$text{Pantheon}^+$</annotation>\u0000 </semantics></math> sample, and Cosmic Chronometers measurements to constrain key cosmological parameters within the framework of Hořava-Lifshitz (HL) gravity. Specifically, the posterior distribution of Hubble constant (<span></span><math>\u0000 <semantics>\u0000 <msub>\u0000 <mi>H</mi>\u0000 <mn>0</mn>\u0000 </msub>\u0000 <annotation>$ H_0$</annotation>\u0000 </semantics></math>), the sound horizon (<span></span><math>\u0000 <semantics>\u0000 <msub>\u0000 <mi>r</mi>\u0000 <mi>d</mi>\u0000 </msub>\u0000 <annotation>$ r_d$</annotation>\u0000 </semantics></math>), and the running parameter <span></span><math>\u0000 <semantics>\u0000 <mi>λ</mi>\u0000 <annotation>$ lambda$</annotation>\u0000 </semantics></math> is extracted, which governs the flow between the UV and Infra-Red (IR) regimes. By treating <span></span><math>\u0000 <semantics>\u0000 <msub>\u0000 <mi>r</mi>\u0000 <mi>d</mi>\u0000 </msub>\u0000 <annotation>$ r_d$</annotation>\u0000 </semantics></math> as a free parameter, this approach remains independent of early-Universe and recombination assumptions. These analysis yields <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mi>H</mi>\u0000 <mn>0</mn>\u0000 </msub>\u0000 <mo>=</mo>\u0000 <mn>71</mn>\u0000 <mo>.</mo>\u0000 <msubsup>\u0000 <mn>1</mn>\u0000 <mrow>\u0000 <mo>−</mo>\u0000 <mn>1.7</mn>\u0000 </mrow>\u0000 <mrow>\u0000 <mo>+</mo>\u0000 <mn>1.5</mn>\u0000 </mrow>\u0000 </msubsup>\u0000 <mspace></mspace>\u0000 <mtext>km</mtext>\u0000 <mspace></mspace>\u0000 <msup>\u0000 <mi>s</mi>\u0000 <mrow>\u0000 <mo>−</mo>\u0000 <mn>1</mn>\u0000 </mrow>\u0000 </msup>\u0000 <mspace></mspace>\u0000 <msup>\u0000 <mtext>Mpc</mtext>\u0000 <mrow>\u0000 <mo>−</mo>\u0000 <mn>1</mn>\u0000 </mrow>\u0000 </msup>\u0000 </mrow>\u0000 <annotation>$ H_0 = 71.1_{-1.7}^{+1.5} , text{km} , text{s}^{-1} , text{Mpc}^{-1}$</annotation>\u0000 </semantics></math>, sugg","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143939643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0