Annals of Physics最新文献

Thermodynamics, shadow, and quasinormal modes of AdS Ayón–Beato–García massive black hole AdS Ayón-Beato-García大质量黑洞的热力学、阴影和准正态模式

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-04 DOI: 10.1016/j.aop.2026.170382

Dharm Veer Singh , Sudhaker Upadhyay , Amit Kumar , Yerlan Myrzakulov , Kairat Myrzakulov , Himanshu Kumar Sudhanshu

{"title":"Thermodynamics, shadow, and quasinormal modes of AdS Ayón–Beato–García massive black hole","authors":"Dharm Veer Singh , Sudhaker Upadhyay , Amit Kumar , Yerlan Myrzakulov , Kairat Myrzakulov , Himanshu Kumar Sudhanshu","doi":"10.1016/j.aop.2026.170382","DOIUrl":"10.1016/j.aop.2026.170382","url":null,"abstract":"<div><div>We investigate the thermodynamics, photon sphere, and dynamical stability of an AdS Ayón–Beato–García (ABG) massive black hole with graviton mass and magnetic charge. The Gibbs free energy exhibits distinct limiting behaviours: it reduces to that of an AdS massive black hole when magnetic charge vanishes, to that of an AdS ABG black hole when graviton mass is zero, and smoothly interpolates to the AdS massive Reissner–Nordström case in the asymptotic regime. Furthermore, the photon sphere and shadow analysis indicate that increasing the graviton mass expands their radii, while increasing the magnetic charge causes contraction, in agreement with earlier studies of black hole spacetimes. Quasinormal mode (QNM) calculations further confirm dynamical stability, as the imaginary part remains negative, ensuring decay of perturbations. Additionally, the real part of the frequency decreases with graviton mass, while the imaginary part initially grows before saturating at higher values. Together, these results provide meaningful insights into the interplay between graviton mass, magnetic charge, and stability, thereby enriching the understanding of black holes in modified gravity theories.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170382"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186562","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}

引用次数: 0

Quantum complexity of finite-temperature charged particle in magnetic field 磁场中有限温度带电粒子的量子复杂性

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1016/j.aop.2026.170388

M. Radomirov

引用次数: 0

The necessary and sufficient condition for perfect teleportation and superdense coding and all the suitable states for teleportation and superdense coding 完美的隐形传态和超密编码的充分必要条件和所有适合隐形传态和超密编码的状态

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-09 DOI: 10.1016/j.aop.2026.170377

Dafa Li

{"title":"The necessary and sufficient condition for perfect teleportation and superdense coding and all the suitable states for teleportation and superdense coding","authors":"Dafa Li","doi":"10.1016/j.aop.2026.170377","DOIUrl":"10.1016/j.aop.2026.170377","url":null,"abstract":"<div><div>It is known that two local unitaries (LU) equivalent states possess the same amount of entanglement and can be used to perform the same tasks in quantum information theory (QIT). For a protocol for a task in QIT, we call a protocol LU invariant if two LU-equivalent states are either both suitable for the protocol or neither is. So far, no one has discussed whether a protocol for a task in QIT is LU invariant. In Agrawal and Pati (2006) proposed the perfect teleportation protocol (PTP) and the protocol for superdense coding to transmit 2-bit classical information by sending one qubit (PSDC-2) and 3-bit classical information by sending two qubits (PSDC-3). In this paper, we show that PTP and PSDC-2 are LU invariant. That is, two LU equivalent states are suitable for PTP and PSDC-2 or neither of them is. We show that PSDC-3 is not LU invariant. We also indicate that the teleportation proposed in Nielsen and Chuang (2000) is not LU invariant. We give a necessary and sufficient condition for a state to be suitable for PTP, PSDC-2, and PSDC-3, respectively. Via the LU invariance of PTP and PSDC-2, we prove that a state is suitable for PTP and PSDC-2 if and only if it has 1 ebit of shared entanglement, respectively and find all genuine entangled states and separable states which are suitable for PTP and PSDC-2, respectively. So far, no one has indicated that PTP and PSDC-2 do not require genuine entanglement. Agrawal and Pati suggested to study if there are subclasses of W SLOCC class which are suitable for PSDC-3. So far, it still remains an unsolved question. We show that any state of the SLOCC class W is not suitable for PSDC-3.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170377"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186145","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}

引用次数: 0

Modeling of non-rotating neutron stars in 5D Einstein–Gauss–Bonnet gravity 5D Einstein-Gauss-Bonnet重力下非旋转中子星的建模

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-07 DOI: 10.1016/j.aop.2026.170391

M. Mazhari , G.H. Bordbar

{"title":"Modeling of non-rotating neutron stars in 5D Einstein–Gauss–Bonnet gravity","authors":"M. Mazhari , G.H. Bordbar","doi":"10.1016/j.aop.2026.170391","DOIUrl":"10.1016/j.aop.2026.170391","url":null,"abstract":"<div><div>This study investigates the modeling of anisotropic magnetized static neutron stars within the framework of five-dimensional Einstein–Gauss–Bonnet (5D EGB) gravity. While Einstein’s gravity has been traditionally employed to examine neutron stars, recent observational advancements have revealed its limitations in accurately describing high-mass astronomical objects-particularly in predicting or explaining certain observed neutron star masses. In response, this research seeks to address the limitations of Einstein’s gravity in characterizing high-mass neutron stars by modifying the gravitational action and incorporating the Gauss–Bonnet term. This term holds significant dynamical relevance in higher dimensions, particularly within the context of five-dimensional Einstein–Gauss–Bonnet (EGB) gravity explored in this study, thereby providing a more realistic description of gravitational phenomena under extreme conditions. By deriving the generalized Tolman–Oppenheimer–Volkoff equations for five-dimensional Einstein–Gauss–Bonnet gravity and utilizing the AV18 nuclear potential, we analyze the profiles of metric functions, density and pressure, gradients of density and pressure, the anisotropic function and its trace, mass-function and compactness, the mass–radius curve, surface redshift function, equation of state parameters, and radial and tangential sound speeds. Additionally, stability factors, adiabatic indices, and energy conditions are examined. The results indicate that all conditions are satisfied for specific values of the coupling constant, confirming the physical stability of the model. Furthermore, higher dimensions enhance resistance to gravitational collapse, resulting in an increase in the maximum mass predicted by the proposed model. Ultimately, calculations show that the modified Buchdahl inequality is satisfied as well.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170391"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186561","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}

引用次数: 0

Relativistic stars in f(Q)-gravity: Exact analytic solution for the power-law case f(Q)=Q+bQν f(Q)引力中的相对论恒星：幂律情况f(Q)=Q+bQν的精确解析解

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1016/j.aop.2026.170387

Nikolaos Dimakis , Alex Giacomini , Andronikos Paliathanasis , Grigorios Panotopoulos

{"title":"Relativistic stars in f(Q)-gravity: Exact analytic solution for the power-law case f(Q)=Q+bQν","authors":"Nikolaos Dimakis , Alex Giacomini , Andronikos Paliathanasis , Grigorios Panotopoulos","doi":"10.1016/j.aop.2026.170387","DOIUrl":"10.1016/j.aop.2026.170387","url":null,"abstract":"<div><div>We investigate static spherically symmetric spacetimes within the framework of symmetric teleparallel <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> gravity in order to describe relativistic stars. We adopt a specific ansatz for the background geometry corresponding to a singularity-free spacetime. We obtain an expression for the connection, which allows the derivation of solutions for any <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow></mrow></math></span> theory in this context. Our approach aims to address a recurring error appearing in the literature, where even when a connection compatible with spherical symmetry is adopted, the field equation for the connection is systematically omitted and not checked if it is satisfied. For the stellar configuration, we concentrate on the power-law model <span><math><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow><mo>=</mo><mi>Q</mi><mo>+</mo><mi>α</mi><msub><mrow><mi>Q</mi></mrow><mrow><mn>0</mn></mrow></msub><msup><mrow><mfenced><mrow><mfrac><mrow><mi>Q</mi></mrow><mrow><msub><mrow><mi>Q</mi></mrow><mrow><mn>0</mn></mrow></msub></mrow></mfrac></mrow></mfenced></mrow><mrow><mi>ν</mi></mrow></msup></mrow></math></span>. The de Sitter–Schwarzschild geometry naturally emerges as an attractor beyond a certain radius, we thus utilize it as the external solution beyond the boundary of the star. We perform a detailed investigation of the physical characteristics of the interior solution, explicitly determining the mass function, analyzing the resulting gravitational fluid properties and deriving the angular and radial speed of sound.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170387"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186153","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}

引用次数: 0

Zero and nonzero energy Majorana modes in an extended Kitaev chain 扩展Kitaev链中的零能和非零能Majorana模

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-09 DOI: 10.1016/j.aop.2026.170392

Mohammad Ghuneim , Raditya Weda Bomantara

引用次数: 0

A two-mode model for black hole evaporation and information flow 黑洞蒸发和信息流的双模模型

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-01-17 DOI: 10.1016/j.aop.2026.170352

Erfan Bayenat , Babak Vakili

{"title":"A two-mode model for black hole evaporation and information flow","authors":"Erfan Bayenat , Babak Vakili","doi":"10.1016/j.aop.2026.170352","DOIUrl":"10.1016/j.aop.2026.170352","url":null,"abstract":"<div><div>We develop and analyze a two-oscillator model for black hole evaporation in which an effective geometric degree of freedom and a representative Hawking radiation mode are described by coupled harmonic oscillators with opposite signs in their free Hamiltonians. The normal-mode structure is obtained analytically and the corresponding modal amplitudes determine the pattern of energy exchange between the two sectors. To bridge the discrete and semiclassical pictures, we introduce smooth envelope functions that provide a continuous effective description along the geometric variable. Numerical simulations in a truncated Fock space show that the two oscillators exchange quanta in an approximately out-of-phase manner, consistent with an effective conservation of <span><math><mrow><mrow><mo>〈</mo><msub><mrow><mi>n</mi></mrow><mrow><mi>x</mi></mrow></msub><mo>〉</mo></mrow><mo>−</mo><mrow><mo>〈</mo><msub><mrow><mi>n</mi></mrow><mrow><mi>y</mi></mrow></msub><mo>〉</mo></mrow></mrow></math></span>. The reduced entropy <span><math><mrow><msub><mrow><mi>S</mi></mrow><mrow><mi>x</mi></mrow></msub><mrow><mo>(</mo><mi>t</mi><mo>)</mo></mrow></mrow></math></span> exhibits periodic growth, indicating entanglement generation. These results demonstrate that even a minimal two-mode framework can capture key qualitative features of energy transfer and information flow during evaporation.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170352"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146098725","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}

引用次数: 0

Form-preserving transformations of wave and Wigner functions 波函数和维格纳函数的保形变换

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-02-09 DOI: 10.1016/j.aop.2026.170380

Mustafa Amin, Mason Daub, Mark A. Walton

{"title":"Form-preserving transformations of wave and Wigner functions","authors":"Mustafa Amin, Mason Daub, Mark A. Walton","doi":"10.1016/j.aop.2026.170380","DOIUrl":"10.1016/j.aop.2026.170380","url":null,"abstract":"<div><div>Solutions of the time-dependent Schrödinger equation are mapped to other solutions for a (possibly) different potential by so-called form-preserving transformations. These time-dependent transformations of the space and time coordinates can produce remarkable solutions with surprising properties. A classic example is the force-free accelerating Airy beam found by Berry and Balazs. We review the 1-dimensional form-preserving transformations and show that they also yield Senitzky coherent excited states and the free dispersion of any harmonic-oscillator stationary state. Form preservation of the <span><math><mi>D</mi></math></span>- and 3-dimensional Schrödinger equation with both a scalar and a vector potential is then considered. Time-dependent rotations may be included when a vector potential is present; we find a general transformation formula for this case. Quantum form-preserving maps are also considered in phase space. First, the wave-function transformation is shown to produce a simple result for Wigner functions: they transform as a true phase-space probability would. The explicit transformation formula explains and generalizes the rigid evolution of curves in phase space that characterize the Airy beam and the coherent excited states. Then we recover the known form-preserving transformations from the Moyal equation obeyed by Wigner functions.</div></div>","PeriodicalId":8249,"journal":{"name":"Annals of Physics","volume":"488 ","pages":"Article 170380"},"PeriodicalIF":3.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186144","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}

引用次数: 0

Detection of twisted radiowaves with Rydberg atoms 用里德伯原子探测扭曲无线电波

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-01-30 DOI: 10.1016/j.aop.2026.170378

P.O. Kazinski, P.S. Korolev, V.A. Ryakin

引用次数: 0

The one-loop setting sun diagram with complex external momenta 具有复杂外动量的单环夕阳图

IF 3 3区物理与天体物理

Annals of Physics Pub Date : 2026-05-01 Epub Date: 2026-01-31 DOI: 10.1016/j.aop.2026.170379

D. Dudal , D.M. van Egmond , G. Krein

引用次数: 0