{"title":"扩展修正Myrzakulov引力理论中的Wald熵 \\(f(R, T, Q, R_{\\mu \\nu }T^{\\mu \\nu }, R_{\\mu \\nu }Q^{\\mu \\nu }, \\dots )\\)","authors":"Davood Momeni, Ratbay Myrzakulov","doi":"10.1007/s10773-025-06143-x","DOIUrl":null,"url":null,"abstract":"<div><p>We investigate black hole entropy in a broad class of modified gravity theories defined by generalized Lagrangians of the form <span>\\(\\mathcal {L} = \\alpha R + F(T, Q, R_{\\mu \\nu }T^{\\mu \\nu }, R_{\\mu \\nu }Q^{\\mu \\nu }, \\dots )\\)</span>, where <span>\\(R\\)</span>, <span>\\(T\\)</span>, and <span>\\(Q\\)</span> represent curvature, torsion, and non-metricity scalars. Using the vielbein formalism, we derive the Wald entropy for various subclasses of these models, extending the classical entropy formula to accommodate non-Riemannian geometry. Our focus is on how the additional geometric degrees of freedom modify the entropy expression. The analysis shows that such corrections arise systematically from the extended structure of the action and preserve diffeomorphism invariance. These results refine the theoretical framework for gravitational thermodynamics in extended geometry settings.</p></div>","PeriodicalId":597,"journal":{"name":"International Journal of Theoretical Physics","volume":"64 10","pages":""},"PeriodicalIF":1.7000,"publicationDate":"2025-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Wald Entropy in Extended Modified Myrzakulov Gravity Theories: \\\\(f(R, T, Q, R_{\\\\mu \\\\nu }T^{\\\\mu \\\\nu }, R_{\\\\mu \\\\nu }Q^{\\\\mu \\\\nu }, \\\\dots )\\\\)\",\"authors\":\"Davood Momeni, Ratbay Myrzakulov\",\"doi\":\"10.1007/s10773-025-06143-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>We investigate black hole entropy in a broad class of modified gravity theories defined by generalized Lagrangians of the form <span>\\\\(\\\\mathcal {L} = \\\\alpha R + F(T, Q, R_{\\\\mu \\\\nu }T^{\\\\mu \\\\nu }, R_{\\\\mu \\\\nu }Q^{\\\\mu \\\\nu }, \\\\dots )\\\\)</span>, where <span>\\\\(R\\\\)</span>, <span>\\\\(T\\\\)</span>, and <span>\\\\(Q\\\\)</span> represent curvature, torsion, and non-metricity scalars. Using the vielbein formalism, we derive the Wald entropy for various subclasses of these models, extending the classical entropy formula to accommodate non-Riemannian geometry. Our focus is on how the additional geometric degrees of freedom modify the entropy expression. The analysis shows that such corrections arise systematically from the extended structure of the action and preserve diffeomorphism invariance. These results refine the theoretical framework for gravitational thermodynamics in extended geometry settings.</p></div>\",\"PeriodicalId\":597,\"journal\":{\"name\":\"International Journal of Theoretical Physics\",\"volume\":\"64 10\",\"pages\":\"\"},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2025-10-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Theoretical Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10773-025-06143-x\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PHYSICS, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Theoretical Physics","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s10773-025-06143-x","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
我们在广义拉格朗日公式\(\mathcal {L} = \alpha R + F(T, Q, R_{\mu \nu }T^{\mu \nu }, R_{\mu \nu }Q^{\mu \nu }, \dots )\)定义的广义引力理论中研究黑洞熵,其中\(R\)、\(T\)和\(Q\)表示曲率、扭转和非度规标量。利用维耶尔拜因的形式,我们导出了这些模型的各个子类的沃尔德熵,扩展了经典熵公式以适应非黎曼几何。我们的重点是额外的几何自由度如何改变熵的表达式。分析表明,这种修正系统地产生于作用的扩展结构,并保持微分同构不变性。这些结果完善了扩展几何环境下引力热力学的理论框架。
We investigate black hole entropy in a broad class of modified gravity theories defined by generalized Lagrangians of the form \(\mathcal {L} = \alpha R + F(T, Q, R_{\mu \nu }T^{\mu \nu }, R_{\mu \nu }Q^{\mu \nu }, \dots )\), where \(R\), \(T\), and \(Q\) represent curvature, torsion, and non-metricity scalars. Using the vielbein formalism, we derive the Wald entropy for various subclasses of these models, extending the classical entropy formula to accommodate non-Riemannian geometry. Our focus is on how the additional geometric degrees of freedom modify the entropy expression. The analysis shows that such corrections arise systematically from the extended structure of the action and preserve diffeomorphism invariance. These results refine the theoretical framework for gravitational thermodynamics in extended geometry settings.
期刊介绍:
International Journal of Theoretical Physics publishes original research and reviews in theoretical physics and neighboring fields. Dedicated to the unification of the latest physics research, this journal seeks to map the direction of future research by original work in traditional physics like general relativity, quantum theory with relativistic quantum field theory,as used in particle physics, and by fresh inquiry into quantum measurement theory, and other similarly fundamental areas, e.g. quantum geometry and quantum logic, etc.