Indian Journal of Physics最新文献

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Time-dependent Dunkl–Pauli oscillator 时间相关的敦克尔-泡利振荡器
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-06-05 DOI: 10.1007/s12648-025-03637-6
A. Benchikha, B. Hamil, B. C. Lütfüoğlu
{"title":"Time-dependent Dunkl–Pauli oscillator","authors":"A. Benchikha,&nbsp;B. Hamil,&nbsp;B. C. Lütfüoğlu","doi":"10.1007/s12648-025-03637-6","DOIUrl":"10.1007/s12648-025-03637-6","url":null,"abstract":"<div><p>This study explores the time-dependent Dunkl–Pauli oscillator in two dimensions. We constructed the Dunkl–Pauli Hamiltonian, which incorporates a time-varying magnetic field and a harmonic oscillator characterized by time-dependent mass and frequency, initially in Cartesian coordinates. Subsequently, we reformulated the Hamiltonian in polar coordinates and analyzed the eigenvalues and eigenfunctions of the Dunkl angular operator, deriving exact solutions using the Lewis–Riesenfeld invariant method. Additionally, we examine the Dunkl–Caldirola–Kanai oscillator as a specific example of a time-dependent system with deformed symmetries, illustrating the effects of time-dependent mass and damping on wave function evolution. Our findings regarding the total quantum phase factor and wave functions reveal the significant impact of Dunkl operators on quantum systems, yielding precise expressions for both wave functions and energy spectra. This work enhances the understanding of quantum systems with deformed symmetries and suggests avenues for future research in quantum mechanics and mathematical physics.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 12","pages":"4677 - 4686"},"PeriodicalIF":1.7,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145296652","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
Advanced materials for next-generation devices: insights into the structural, optical, and thermoelectric properties of Hf2Pd2AlBi and Hf2Pd2AlSb alloys 新一代器件的先进材料:Hf2Pd2AlBi和Hf2Pd2AlSb合金的结构、光学和热电性能的见解
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-06-02 DOI: 10.1007/s12648-025-03643-8
Abdelhak Khatar, Mohammed Houari, Tayeb Lantri, Samir Bentata, Bouabdellah Bouadjemi, Zoubir Aziz, Ahmed Boucherdoud, Mokhtar Boudjelal
{"title":"Advanced materials for next-generation devices: insights into the structural, optical, and thermoelectric properties of Hf2Pd2AlBi and Hf2Pd2AlSb alloys","authors":"Abdelhak Khatar,&nbsp;Mohammed Houari,&nbsp;Tayeb Lantri,&nbsp;Samir Bentata,&nbsp;Bouabdellah Bouadjemi,&nbsp;Zoubir Aziz,&nbsp;Ahmed Boucherdoud,&nbsp;Mokhtar Boudjelal","doi":"10.1007/s12648-025-03643-8","DOIUrl":"10.1007/s12648-025-03643-8","url":null,"abstract":"<div><p>In this work, we systematically investigated the structural, optoelectronic, and thermoelectric properties of the double half-Heusler (DHH) compounds Hf<sub>2</sub>Pd<sub>2</sub>AlBi and Hf<sub>2</sub>Pd<sub>2</sub>AlSb. The study was conducted using density functional theory (DFT) within the framework of the generalized gradient approximation (GGA-PBE), complemented by the modified Becke–Johnson potential (mBJ-GGA) to enhance the accuracy of electronic property predictions. Our results indicate that both Hf<sub>2</sub>Pd<sub>2</sub>AlBi and Hf<sub>2</sub>Pd<sub>2</sub>AlSb are thermodynamically most stable in their non-magnetic (NM) phase. Electronic structure analysis reveals semiconducting behavior, with direct band gaps at the Γ point of 0.308 eV for Hf<sub>2</sub>Pd<sub>2</sub>AlBi and 0.405 eV for Hf<sub>2</sub>Pd<sub>2</sub>AlSb. A comprehensive evaluation of optical properties was performed, including the complex dielectric function, optical conductivity, refractive index, absorption coefficient, and reflectivity. Additionally, melting temperatures and elastic constants were estimated to assess thermal and mechanical stability. Thermoelectric performance evaluated through Boltzmann transport theory, showed high Seebeck coefficients and factors of merit (ZT), underscoring the potential of both compounds for thermoelectric applications.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4109 - 4121"},"PeriodicalIF":1.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062140","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
Analytical optical soliton solution & stability analysis of the dimensionless time-dependent paraxial equation 无量纲时变傍轴方程的解析光孤子解及稳定性分析
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-06-02 DOI: 10.1007/s12648-025-03614-z
Abdullah, Ghaus ur Rahman, Osman Tunç
{"title":"Analytical optical soliton solution & stability analysis of the dimensionless time-dependent paraxial equation","authors":"Abdullah,&nbsp;Ghaus ur Rahman,&nbsp;Osman Tunç","doi":"10.1007/s12648-025-03614-z","DOIUrl":"10.1007/s12648-025-03614-z","url":null,"abstract":"<div><p>This study investigates the analytical solutions of optical solitons governed by the a time-dependent Paraxial Equation incorporating Kerr law nonlinearity. A rigorous analytical method is developed to obtain these solutions, offering insights into the behavior of optical solitons in nonlinear media. Here, we have applied the eMETEM approach for the first time to create robust solutions to the time-dependent Paraxial Equation. Building an efficient plan to solve the governing model has been our main goal. The Kerr law nonlinearity, which describes the intensity-dependent refractive index, profoundly affects the propagation characteristics of optical pulses. Through systematic analysis, key properties such as soliton formation, stability, and evolution are elucidated. The derived analytical solutions provide a valuable framework for understanding the intricate dynamics of optical solitons in nonlinear media, facilitating advancements in various applications including optical communication and signal processing.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4181 - 4195"},"PeriodicalIF":1.7,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12648-025-03614-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Binding energy of excitons in quantum wells with embedded series of thin tunnel-transparent barriers 嵌入一系列薄隧道透明势垒的量子阱中激子的结合能
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-06-01 DOI: 10.1007/s12648-025-03635-8
M. P. Telenkov, P. F. Kartsev, P. S. Klemmer, Yu. A. Mityagin, K. K. Nagaraja
{"title":"Binding energy of excitons in quantum wells with embedded series of thin tunnel-transparent barriers","authors":"M. P. Telenkov,&nbsp;P. F. Kartsev,&nbsp;P. S. Klemmer,&nbsp;Yu. A. Mityagin,&nbsp;K. K. Nagaraja","doi":"10.1007/s12648-025-03635-8","DOIUrl":"10.1007/s12648-025-03635-8","url":null,"abstract":"<div><p>We present the results of modelling the behaviour of excitons in quantum wells with thin tunnel-transparent barriers built into their volume. A nonmonotonic dependence of the binding energy of excitons on the degree of filling of the quantum well with barriers was discovered. At first, the binding energy increases, but as the number of barriers increases, it begins to decrease.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4091 - 4094"},"PeriodicalIF":1.7,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062179","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
A quantum algorithm for the linear response of nuclei 原子核线性响应的量子算法
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-31 DOI: 10.1007/s12648-025-03627-8
Nifeeya Singh,  Abhishek, P. Arumugam
{"title":"A quantum algorithm for the linear response of nuclei","authors":"Nifeeya Singh,&nbsp; Abhishek,&nbsp;P. Arumugam","doi":"10.1007/s12648-025-03627-8","DOIUrl":"10.1007/s12648-025-03627-8","url":null,"abstract":"<div><p>We present a quantum algorithm to obtain the response of the atomic nucleus to a small external electromagnetic perturbation. For the first time, such an algorithm is implemented on quantum computers to obtain the Giant Dipole Resonance cross-sections in nuclei and corroborated with experimental data. The Hamiltonian of the system is represented by a mean field with a separable interaction. For the quantum computation, we utilize the Jordan-Wigner (JW) transformation and one hot encoding for the operators and basis, respectively. Apart from getting the eigenstates of the Hamiltonian (performed in most of the quantum simulations), we utilize them further in calculating the dipole response. The results for <sup>120</sup>Sn and <sup>208</sup>Pb are analyzed along with classical computing involving linear response theory, showing good agreement with available data. We also present the results in the presence of hardware noise and employ noise mitigation techniques. We quantify the circuit depth, width, and number of gates to encode the states and perform other required calculations in quantum circuits. While bringing out the feasibility of utilizing quantum algorithms in accurately modeling nuclear response, this study underscores the need for more efforts to explore situations where the quantum simulations might outperform other methods.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4367 - 4377"},"PeriodicalIF":1.7,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062127","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
Effect of flow pattern and channel cross section on thermal management of cylindrical batteries with solid blocks containing liquid channels 流型和通道截面对固体块含液体通道圆柱电池热管理的影响
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-31 DOI: 10.1007/s12648-025-03630-z
Abolfazl Mokhtari, Meysam Jalalvand
{"title":"Effect of flow pattern and channel cross section on thermal management of cylindrical batteries with solid blocks containing liquid channels","authors":"Abolfazl Mokhtari,&nbsp;Meysam Jalalvand","doi":"10.1007/s12648-025-03630-z","DOIUrl":"10.1007/s12648-025-03630-z","url":null,"abstract":"<div><p>The escalating prevalence of electric vehicles in industrial and military applications is driven by factors such as reduced environmental impact through lower emissions (air pollution and noise) and the inherent advantages of high power density and low maintenance requirements. Lithium-ion batteries, as the primary energy source for these vehicles, are critically susceptible to elevated operating temperatures, which significantly compromises their performance and can lead to premature failure. Effective thermal management systems are thus imperative to ensure optimal battery operation. This study investigates a thermal management strategy utilizing solid blocks incorporating liquid coolant channels. The research comprehensively examines the influence of channel cross-sectional geometry (rectangular and square) and flow patterns (parallel and counter-flow) on thermal performance and pressure drop across a range of discharge rates. Key performance indicators include the maximum temperature within the battery module and the temperature differential across the module. The findings demonstrate that counter-flow configurations consistently exhibit lower peak temperatures compared to parallel-flow arrangements. Notably, the rectangular channel with counter-flow achieved the lowest maximum temperature of 38.47 °C at the highest discharge rate (3C) investigated. Furthermore, counter-flow systems exhibited significantly lower temperature differentials within the battery module. The channel with a square section can record the lowest pressure drop, which is about 1.8 pa less pressure drop in the counter flow pattern than the parallel one and it is equal to 66.25 pa. For instance, at a 3C discharge rate, the temperature difference across the module in the rectangular channel was 7.1 °C for parallel flow and 2.12 °C for counter-flow, respectively. The analysis also revealed that square channels with counter-flow configurations generally exhibited lower pressure drops. In summary, rectangular channels achieved the highest hydrothermal performance (η) in both flow patterns, with values of 1.23 for parallel flow and 1.3 for counter-flow.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4223 - 4238"},"PeriodicalIF":1.7,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062194","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
Head-on collision of ion-acoustic KP solitons in unmagnetized e-p-i plasma 非磁化e-p-i等离子体中离子声KP孤子的正面碰撞
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-27 DOI: 10.1007/s12648-025-03631-y
Partha Mandal, Tapas Kumar Maji, Utpal Kumar Samanta, Malay Kumar Ghorui
{"title":"Head-on collision of ion-acoustic KP solitons in unmagnetized e-p-i plasma","authors":"Partha Mandal,&nbsp;Tapas Kumar Maji,&nbsp;Utpal Kumar Samanta,&nbsp;Malay Kumar Ghorui","doi":"10.1007/s12648-025-03631-y","DOIUrl":"10.1007/s12648-025-03631-y","url":null,"abstract":"<div><p>Head-on collision of collisionless two-dimensional, unmagnetized plasma made up of positrons, hot electrons and cold ions have been considered for investigation. Ion-acoustic Kadomtsev-Petviashvili (IAKP) solitons are derived using the extended Poincar<span>(acute{e})</span>-Lighthill-Kuo technique to study soliton solutions, trajectories, and phase shift. Factors such as density ratio, temperature ratio, and reference frame’s velocity significantly impact phase shift. The study reveals that phase shift decreases with the density ratio and temperature ratio but increases with the reference frame’s velocity. Phase shift also raises for an increase in the electron density and the positron temperature. We also studied special solutions for different time evaluations of the head-on collision. The combined framework forms in the interaction zone, rising and declining over time. As per our knowledge, head-on collision of solitons in the framework of the KP equation till now have not been studied. The results of this work may be valuable for understanding the collective processes connected with IAKP solitons colliding, which is beneficial in astrophysical conditions and laboratory plasma.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 12","pages":"4833 - 4843"},"PeriodicalIF":1.7,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145296381","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
Extreme multistability of different order chaotic systems: discrete and continuous 不同阶混沌系统的极端多重稳定性:离散与连续
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-26 DOI: 10.1007/s12648-025-03608-x
Mohammad Ali Khan, Joydev Ghosh, Syeda Darakhshan Jabeen
{"title":"Extreme multistability of different order chaotic systems: discrete and continuous","authors":"Mohammad Ali Khan,&nbsp;Joydev Ghosh,&nbsp;Syeda Darakhshan Jabeen","doi":"10.1007/s12648-025-03608-x","DOIUrl":"10.1007/s12648-025-03608-x","url":null,"abstract":"<div><p>In this paper, we propose a scheme for designing extreme multistable synchronized systems by coupling two distinct chaotic systems of different dimensions. Such coupling configurations exhibit synchronized chaos in the system. In other words, the synchronized state is sensitively dependent on the initial conditions. This kind of synchronization is an example of extreme multistable synchronization. To achieve an extreme multistable system we introduce a new conjecture by choosing the controllers in such a way that all state variables maintain the constant difference. Furthermore, we demonstrate the applicability of our scheme in coupled chaotic systems modeled as 3D and 4D chaotic systems respectively. Finally, we show that extreme multistable synchronization can be achieved in coupled 1D Ricker maps. Simulation results are provided to validate the efficiency and effectiveness of our proposed scheme.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4339 - 4348"},"PeriodicalIF":1.7,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062128","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
Noise effects on perceptual choice in the attention model of binocular rivalry 双眼竞争注意模型中噪声对知觉选择的影响
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-26 DOI: 10.1007/s12648-025-03624-x
Shengying Zhuge, Jian Li, Haimeng Sun, Jiawei Zhou, Ruyin Chen
{"title":"Noise effects on perceptual choice in the attention model of binocular rivalry","authors":"Shengying Zhuge,&nbsp;Jian Li,&nbsp;Haimeng Sun,&nbsp;Jiawei Zhou,&nbsp;Ruyin Chen","doi":"10.1007/s12648-025-03624-x","DOIUrl":"10.1007/s12648-025-03624-x","url":null,"abstract":"<div><p>Binocular rivalry is a cyclic process involving perceptual choice and dominance duration, commonly intertwined with attention and noise. Recent work primarily emphasized potential functional role of noise during perceptual dominance duration stage, while overlooking its impact on perceptual choice. Here, the attention model of binocular rivalry subjected to multiplicative and additive noises was investigated. The numerical results revealed that the noise plays a crucial role in the perceptual choice. (i) Formation of perceptual choice was accompanied by differences in binocular relaxation time, with the relaxation time of dominant perception being longer than that of non-dominant perception. In addition, there exists a correlation between mean perceptual choice time and relaxation time. (ii) The observation of coherence resonance induced by the additive noise indicates that binocular perceptions can achieve the most stable perceptual choice. (iii) The attention bias caused by binocular fluctuation difference can lead to perceptual choice preference, with the most significant perceptual choice preference being associated with occurrence of the resonance excitation and suppression. These findings have the important implication for a deeper understanding of binocular rivalry and decision-making.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4021 - 4034"},"PeriodicalIF":1.7,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062184","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
Effect of minimal length formalism on alpha decay half-life 最小长度形式对α衰变半衰期的影响
IF 1.7 4区 物理与天体物理
Indian Journal of Physics Pub Date : 2025-05-25 DOI: 10.1007/s12648-025-03615-y
J. L. Adjaba, J. M. Ema’a Ema’a, V. P. Ndzono, P. Mah Tsila, G. H. Ben-Bolie
{"title":"Effect of minimal length formalism on alpha decay half-life","authors":"J. L. Adjaba,&nbsp;J. M. Ema’a Ema’a,&nbsp;V. P. Ndzono,&nbsp;P. Mah Tsila,&nbsp;G. H. Ben-Bolie","doi":"10.1007/s12648-025-03615-y","DOIUrl":"10.1007/s12648-025-03615-y","url":null,"abstract":"<div><p>In this paper, we study the effect of minimal length formalism on the alpha decay process. We use the deformed Heisenberg uncertainty principle in Schrödinger equation and determine a novel expression of half-life using the Wentzel-Kramers-Brillouin (WKB) method. The effect of minimal length on alpha decay half-lives is studied using tables and figures. The results show the appearance of a correction factor on the probability of tunneling through the coulomb barrier. We compare our results with and without the minimum length again experimental data taken from the literature. We found that our results are in better agreement with the experimental data when we take into account this formalism.</p></div>","PeriodicalId":584,"journal":{"name":"Indian Journal of Physics","volume":"99 11","pages":"4357 - 4365"},"PeriodicalIF":1.7,"publicationDate":"2025-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062123","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
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