Annals of Physics最新文献

{"title":"Multimodal signatures of asymptotic (A)dS Kalb–Ramond black holes: Constraints through the shadow, weak deflection angle, and topological photon spheres","authors":"Reggie C. Pantig ,&nbsp;Ali Övgün","doi":"10.1016/j.aop.2025.170104","DOIUrl":"10.1016/j.aop.2025.170104","url":null,"abstract":"<div><div>This study explores novel static, neutral black hole solutions within Kalb–Ramond (KR) gravity in asymptotically (anti-)de Sitter [(A)dS] spacetimes, incorporating spontaneous Lorentz symmetry breaking (LSB) via an antisymmetric tensor field. Focusing on two metric configurations, we derive general analytical expressions for the horizon radius, photon sphere, shadow radius, and weak gravitational deflection angle. The universality of these expressions enables their applicability to a broad class of non-rotating spacetimes beyond KR gravity. By confronting these models with empirical data from the Event Horizon Telescope (EHT) and Solar System experiments, the work yields tight constraints on the Lorentz-violating parameter <span><math><mi>ℓ</mi></math></span>, demonstrating that certain parameterizations – particularly Case B – yield observationally viable and physically consistent outcomes. Additionally, we employ topological methods to analyze black hole thermodynamics and photon sphere stability, uncovering critical geometrical structures in both thermodynamic and optical contexts. These multimodal signatures collectively offer a powerful framework for testing Lorentz-violating extensions of General Relativity (GR) and highlight the potential of topological diagnostics in gravitational physics.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170104"},"PeriodicalIF":3.0,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Hidden sl(2)-symmetry of the generalized Landau–Zener vibronic model","authors":"L.M. Nieto ,&nbsp;S. Zarrinkamar","doi":"10.1016/j.aop.2025.170126","DOIUrl":"10.1016/j.aop.2025.170126","url":null,"abstract":"<div><div>The one-dimensional harmonic vibronic model, which is a generalization of the so-called linear Landau–Zener model and appears in the form of coupled Schrödinger equations, is revisited. After decoupling the components, the resulting fourth-order equation is shown to have a hidden <span><math><mrow><mi>s</mi><mi>l</mi><mrow><mo>(</mo><mn>2</mn><mo>)</mo></mrow></mrow></math></span> algebra. The so-called exceptional part of the spectrum is then expressed in a rather simple way. For completeness, the eigenfunctions are obtained via the Bethe ansatz approach directly in position space.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170126"},"PeriodicalIF":3.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"General Dirac soliton solutions in binary waveguide arrays","authors":"Minh C. Tran ,&nbsp;Truong X. Tran","doi":"10.1016/j.aop.2025.170124","DOIUrl":"10.1016/j.aop.2025.170124","url":null,"abstract":"<div><div>We analytically derive the general Dirac soliton solutions in a binary waveguide array with Kerr nonlinearity. These Dirac soliton solutions are more precise and more general than the simplified Dirac soliton solutions found earlier in binary waveguide arrays. The simplified Dirac soliton solutions can be straightforwardly obtained from the general Dirac soliton solutions under certain conditions. In this case, the profiles of both the general and simplified Dirac solitons are well maintained during propagation. In other cases, the general Dirac solitons better conserve their profiles during propagation than the simplified Dirac solitons.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170124"},"PeriodicalIF":3.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144490138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Conformal geometry as a gauge theory of gravity: Covariant equations of motion & conservation laws","authors":"C. Condeescu,&nbsp;D.M. Ghilencea,&nbsp;A. Micu","doi":"10.1016/j.aop.2025.170125","DOIUrl":"10.1016/j.aop.2025.170125","url":null,"abstract":"<div><div>We study Weyl conformal geometry as a general gauge theory of the Weyl group (of Poincaré and dilatations symmetries) in a manifestly Weyl gauge covariant formalism in which this geometry is automatically metric and physically relevant. This gives a realistic (quadratic) gauge theory of gravity, with Einstein–Hilbert gravity recovered in its spontaneously broken phase, motivating our interest in this geometry. For the most general action we compute the manifestly Weyl gauge covariant equations of motion and present the conservation laws for the energy–momentum tensor and Weyl gauge current. These laws are valid both in Weyl conformal geometry (with respect to the Weyl gauge covariant derivative) but also in the Riemannian geometry equivalent picture (with respect to its associated covariant derivative). This interesting result is a consequence of gauged diffeomorphism invariance of the former versus usual diffeomorphism invariance of the latter. These results are first derived in <span><math><mrow><mi>d</mi><mo>=</mo><mn>4</mn></mrow></math></span> dimensions. We then successfully derive the conservation laws and equations of motion in Weyl conformal geometry in arbitrary <span><math><mi>d</mi></math></span> dimensions, while maintaining manifest Weyl gauge invariance/covariance. The results are useful in physical applications with this symmetry.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170125"},"PeriodicalIF":3.0,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144536180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Late cosmic acceleration by matter creation cosmology in modified gravity","authors":"Yogesh Bhardwaj,&nbsp;C.P. Singh","doi":"10.1016/j.aop.2025.170128","DOIUrl":"10.1016/j.aop.2025.170128","url":null,"abstract":"<div><div>In this article, we explore the expansion of the Universe powered by the gravitationally induced ‘adiabatic’ matter creation, a non-equilibrium thermodynamical process in <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> gravity in the background dynamics of a flat Friedmann–Lemaître–Robertson–Walker spacetime geometry. The action of <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> gravity involves a general function of nonmetricity scalar <span><math><mi>Q</mi></math></span>. As the Universe expanding, the gravitational field of this expanding Universe is acting on the quantum vacuum, which results in a continuous creation of matter particles. Under the formalism of <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> gravity, we obtain the analytical solutions of the cosmological quantities by assuming the ‘generalized Chaplygin gas’ (GCG)equation of state. A particular case of GCG equation of state is also studied. We analyze how matter creations play an effective role in the late-time evolution of the Universe in modified gravity. By using the latest observational datasets, including the type Ia supernovae (Pantheon), Cosmic Chronometer <span><math><mrow><mi>H</mi><mrow><mo>(</mo><mi>z</mi><mo>)</mo></mrow></mrow></math></span> data, and Baryonic Acoustic Oscillations (BAO) we also perform a statistical analysis to test the observational viability of two models. The best-fit parameters are used to compare both models to <span><math><mi>Λ</mi></math></span>CDM by means of the evolution of cosmological quantities, stability, and information selection criteria, namely, the Akaike information criterion and the Bayesian information criterion. We conclude that a flat Universe in our models with GCG is still supported by current observational data. Furthermore, the data shows a phantom nature of the equation of state for GCG model and de-Sitter model for Chaplygin gas in late-time evolution.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170128"},"PeriodicalIF":3.0,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Study of Wormhole in f(Q) gravity with some dark energy models","authors":"Tanmoy Chowdhury ,&nbsp;Prabir Rudra ,&nbsp;Tandrima Chowdhury ,&nbsp;Farook Rahaman","doi":"10.1016/j.aop.2025.170108","DOIUrl":"10.1016/j.aop.2025.170108","url":null,"abstract":"<div><div>This study discusses the development of some particular static wormhole models in the background of an extended <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> gravity theory. Wormhole solutions are derived by considering the radial pressure to admit an equation of state corresponding to Chaplygin gas. The Chaplygin gas equation of state is taken into consideration in two different forms: <span><math><mrow><msub><mrow><mi>p</mi></mrow><mrow><mi>r</mi></mrow></msub><mo>=</mo><mo>−</mo><mfrac><mrow><mi>B</mi><mi>b</mi><msup><mrow><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow><mrow><mi>u</mi></mrow></msup></mrow><mrow><msup><mrow><mi>ρ</mi></mrow><mrow><mi>a</mi></mrow></msup></mrow></mfrac></mrow></math></span>, <span><math><mrow><msub><mrow><mi>p</mi></mrow><mrow><mi>r</mi></mrow></msub><mo>=</mo><mo>−</mo><mfrac><mrow><mi>B</mi></mrow><mrow><msup><mrow><mi>ρ</mi></mrow><mrow><mi>a</mi></mrow></msup></mrow></mfrac></mrow></math></span>. Wormhole models are also generated assuming that a variable barotropic fluid may explain the radial pressure given by <span><math><mrow><msub><mrow><mi>p</mi></mrow><mrow><mi>r</mi></mrow></msub><mo>=</mo><mo>−</mo><mi>ω</mi><mi>ρ</mi><mi>b</mi><msup><mrow><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow><mrow><mi>u</mi></mrow></msup></mrow></math></span>. For every model, the shape function <span><math><mrow><mi>b</mi><mrow><mo>(</mo><mi>r</mi><mo>)</mo></mrow></mrow></math></span> is the function that can be derived from the wormhole metric in any scenario. The stability analysis of the wormhole solutions and the shape function viability for each situation are then investigated. Since each wormhole model is shown to violate the null energy condition (NEC), it can be understood that these wormholes are traversable. More generally, we investigate whether the model is stable under the hydrostatic equilibrium state condition using the TOV equation. The physical characteristics of these models are shown under the same energy circumstances. The typical characteristic is the radial pressure <span><math><msub><mrow><mi>p</mi></mrow><mrow><mi>r</mi></mrow></msub></math></span> near the wormhole throat, which violates the NEC <span><math><mrow><mo>(</mo><mi>ρ</mi><mo>+</mo><msub><mrow><mi>P</mi></mrow><mrow><mi>r</mi></mrow></msub><mo>≥</mo><mn>0</mn><mo>)</mo></mrow></math></span>. In some models, it is possible to meet the NEC at the neck and yet violate the DEC <span><math><mrow><mo>(</mo><mi>ρ</mi><mo>−</mo><msub><mrow><mi>P</mi></mrow><mrow><mi>r</mi></mrow></msub><mo>≥</mo><mn>0</mn><mo>)</mo></mrow></math></span>. In summary, precise wormhole models may be generated, provided that <span><math><mrow><mo>(</mo><mi>ρ</mi><mo>≥</mo><mn>0</mn><mo>)</mo></mrow></math></span>, and there may be a potential breach of the NEC at the wormhole’s throat.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170108"},"PeriodicalIF":3.0,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Implications of vanishing complexity and Navarro-Frenk-White profile on the existence of traversable wormholes in f(R,T) gravity","authors":"Tayyab Naseer ,&nbsp;M. Sharif ,&nbsp;Mona Faiza ,&nbsp;Baiju Dayanandan ,&nbsp;Smitha T.T.","doi":"10.1016/j.aop.2025.170121","DOIUrl":"10.1016/j.aop.2025.170121","url":null,"abstract":"<div><div>This article focuses on assessing the viability of traversable wormholes admitting the Navarro-Frenk-White profile in <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>,</mo><mi>T</mi><mo>)</mo></mrow></mrow></math></span> gravity. Our analysis takes into account the Morris-Thorne spacetime to establish the wormhole model and constructs anisotropic equations of motion corresponding to a standard modified model. We are then engaged in deriving the shape functions by considering constant as well as variable redshift functions. Both these functions fulfill the required conditions and establish a link between two asymptotically flat areas of spacetime. Afterwards, we obtain a couple of solutions with the help of developed shape functions and ensure that they conform to the violation of null energy bounds. Additionally, we analyze the complexity factor as well as the active gravitational mass and explore the point/region on a manifold where the former factor vanishes. It is also demonstrated that the later quantity gains negative values in some spacetime regions. The implication of diverse stability checks is also performed through graphical interpretation. It is concluded that the constructed wormhole structures satisfy the key criteria, thereby their existence is ensured in this extended gravity theory.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170121"},"PeriodicalIF":3.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144490139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"GKLS vector field dynamics for Gaussian states","authors":"Hans Cruz-Prado ,&nbsp;Octavio Castaños ,&nbsp;Giuseppe Marmo ,&nbsp;Francisco Nettel","doi":"10.1016/j.aop.2025.170123","DOIUrl":"10.1016/j.aop.2025.170123","url":null,"abstract":"<div><div>We construct the vector field associated with the GKLS generator for systems described by Gaussian states . This vector field is defined on the dual space of the algebra of operators, restricted to operators quadratic in position and momentum. It is shown that the GKLS dynamics accepts a <em>decomposition principle</em>, that is, this vector field can be decomposed into three parts: a conservative Hamiltonian component, a gradient-like component, and a Choi–Kraus or jump vector field. The last two terms are considered “perturbations” associated with dissipation. Examples are presented for a harmonic oscillator with different dissipation terms.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170123"},"PeriodicalIF":3.0,"publicationDate":"2025-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144322030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Joule–Thomson expansion of Hayward-AdS black hole surrounded by fluid of strings","authors":"Arfa Waseem ,&nbsp;Faisal Javed ,&nbsp;G. Mustafa ,&nbsp;S.K. Maurya ,&nbsp;Farruh Atamurotov ,&nbsp;Mansour Shrahili","doi":"10.1016/j.aop.2025.170087","DOIUrl":"10.1016/j.aop.2025.170087","url":null,"abstract":"<div><div>In this work, we investigate the Joule–Thomson expansion of a regular Hayward-AdS black hole surrounded by a fluid of strings. We analyze the behavior of the Joule–Thomson coefficient <span><math><msub><mrow><mi>μ</mi></mrow><mrow><mi>J</mi></mrow></msub></math></span>, the inversion temperature <span><math><msub><mrow><mi>T</mi></mrow><mrow><mi>i</mi></mrow></msub></math></span>, and isenthalpic curves to understand the impact of key parameters such as the Hayward parameter <span><math><mi>Θ</mi></math></span> and the fluid of string parameters <span><math><mrow><mi>b</mi><mo>,</mo><mi>β</mi></mrow></math></span> on black hole thermodynamics. Our results reveal that the presence of the string fluid significantly modifies the black hole’s cooling-heating transition, shifting the inversion curves and altering the phase transition structure. The inversion temperature increases with higher values of <span><math><mi>β</mi></math></span>, indicating that the fluid of strings parameter enhances the cooling capacity of the black hole. Similarly, variations in <span><math><mi>Θ</mi></math></span> and <span><math><mi>b</mi></math></span> affect the inversion pressure and temperature, showing that quantum gravity-inspired modifications introduce new thermodynamic properties absent in standard AdS black holes. The graphical analysis of the <span><math><mrow><mi>T</mi><mo>−</mo><mi>P</mi></mrow></math></span> plane further illustrates the deviations in isenthalpic curves, demonstrating the influence of mass and external string interactions on black hole thermodynamics. These findings provide deeper insights into the thermodynamic behavior of regular black holes and their possible connections to quantum gravity. Our study contributes to the broader understanding of black hole phase transitions in modified gravity scenarios. It suggests potential avenues for future research on entropy corrections and the observational implications of these modified thermodynamic behaviors.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170087"},"PeriodicalIF":3.0,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Quantum resonances crossing and survival amplitude for double-well potentials","authors":"Andrea Sacchetti","doi":"10.1016/j.aop.2025.170122","DOIUrl":"10.1016/j.aop.2025.170122","url":null,"abstract":"<div><div>In the case of crossings of isolated pairs of quantum resonances for double-well potentials it is possible to observe that, under appropriate conditions, the associated metastable states are equally localized on both wells. This property, together with the fact that the imaginary parts of the two resonances coincide, results in the establishment of an interference phenomenon between the two metastable states that characterizes the time dynamics of certain physical observables. In this way, it is possible to lay the theoretical foundations for the design of a quantum device to assess whether or not the model’s parameters assume pre-assigned values.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"480 ","pages":"Article 170122"},"PeriodicalIF":3.0,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144335760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}