AAPPS Bulletin最新文献

{"title":"Beam dynamics of a fixed field alternating gradient accelerators (FFAs)","authors":"Shinji Machida","doi":"10.1007/s43673-026-00196-8","DOIUrl":"10.1007/s43673-026-00196-8","url":null,"abstract":"<div><p>In this article, we will review beam dynamics of a Fixed Field Alternating Gradient Accelerator (FFA). Difference between scaling and nonscaling design, some novel concepts studied recently are explained. Longitudinal dynamics specific to an FFA is introduced. Techniques for modeling of linear and nonlinear dynamics are discussed.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00196-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Publisher Correction: Utilization of shock wave for triggering avalanche chain reactions via mixing ICF and MCF","authors":"Seyede Nasrin Hosseinimotlagh,&nbsp;Abuzar Shakeri","doi":"10.1007/s43673-026-00183-z","DOIUrl":"10.1007/s43673-026-00183-z","url":null,"abstract":"","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00183-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Beyond Gaussian pair fluctuation theory for strongly interacting Fermi gases II: the broken-symmetry phase","authors":"Brendan C. Mulkerin,&nbsp;Xing-Can Yao,&nbsp;Yoji Ohashi,&nbsp;Xia-Ji Liu,&nbsp;Hui Hu","doi":"10.1007/s43673-026-00195-9","DOIUrl":"10.1007/s43673-026-00195-9","url":null,"abstract":"<div><p>We theoretically study the thermodynamic properties of a strongly interacting Fermi gas at the crossover from a Bardeen-Cooper-Schrieffer (BCS) superfluid to a Bose-Einstein condensate (BEC), by applying a recently outlined strong-coupling theory that includes pair fluctuations beyond the commonly-used many-body <span>(T)</span>-matrix or ladder approximation at the Gaussian level. The beyond Gaussian pair fluctuation (GPF) theory always respects the exact thermodynamic relations and recovers the Bogoliubov theory of molecules in the BEC limit with a nearly correct molecule-molecule scattering length. We show that the beyond-GPF theory predicts quantitatively accurate ground-state properties at the BEC-BCS crossover, in good agreement with the recent measurement by Horikoshi et al. in Phys. Rev. X <b>7</b>, 041004 (2017). In the unitary limit with infinitely large <span>(s)</span>-wave scattering length, the beyond-GPF theory predicts a reliable universal energy equation of state up to 0.6<span>(T_c)</span>, where <span>(T_c)</span> is the superfluid transition temperature at unitarity. The theory predicts a Bertsch parameter <span>(xi simeq 0.365)</span> at zero temperature, in good agreement with the latest quantum Monte Carlo result <span>(xi = 0.367(7))</span> and the latest experimental measurement <span>(xi = 0.367(9))</span>. We attribute the excellent and wide applicability of the beyond-GPF theory in the broken-symmetry phase at sufficiently low temperatures to the empirically useful partial re-summation of Feynman diagrams following a dimensional <span>(epsilon)</span>-expansion analysis near four dimensions (<span>(d=4-epsilon)</span>), which gives rise to accurate predictions at the second order <span>(mathcal{O}(epsilon^2))</span>. Our work indicates the possibility of further improving the strong-coupling theory of strongly interacting fermions based on the systematic inclusion of large-loop Feynman diagrams at higher orders <span>(mathcal{O}(epsilon^n))</span> with <span>(nge 3)</span>.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00195-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148837876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"News and views (7&8)","authors":"A. A. P. P. S. Bulletin","doi":"10.1007/s43673-026-00194-w","DOIUrl":"10.1007/s43673-026-00194-w","url":null,"abstract":"","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00194-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148782840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Theoretical study on the electronic properties and multiorbital models of La3Ni2O7 thin films on SrLaAlO4 (001)","authors":"Guanlin Li,&nbsp;Cui-Qun Chen,&nbsp;Haoliang Shi,&nbsp;Zhengtao Liu,&nbsp;Hao Ma,&nbsp;Fubo Tian,&nbsp;Dao-Xin Yao,&nbsp;Defang Duan","doi":"10.1007/s43673-026-00193-x","DOIUrl":"10.1007/s43673-026-00193-x","url":null,"abstract":"<div><p>The realization of high-temperature superconductivity in La₃Ni₂O₇ thin films under ambient pressure has triggered a fundamental inquiry into the microscopic origin of the superconducting ground state—specifically, whether the requisite charge carrier density and orbital polarization are induced purely by lattice strain or necessitate an intrinsic charge reconstruction driven by the interface. Here, we employ a systematic density functional theory (DFT + <i>U</i>) investigation of La₃Ni₂O₇/SrLaAlO₄ (001) heterostructures, utilizing a fully self-consistent model that explicitly incorporates substrate-induced compressive strain and interfacial reconstruction. We identify the intrinsic hole doping induced by interfacial Sr interdiffusion as the decisive factor in stabilizing the superconductivity-enabling electronic structure. Crucially, our 1-unit-cell (UC) model naturally reproduces the Fermi surface topology observed in angle-resolved photoemission spectroscopy (ARPES), most notably the critical Ni-<i>d</i>_z² derived <i>γ</i> hole pocket at the Fermi level (<i>E</i>_<i>F</i>). Layer-resolved analysis further reveals that this <i>γ</i> band originates exclusively from the interface-proximal bilayer, suggesting that the interfacial region dominates macroscopic transport. Based on this, we construct a minimal double-stacked two-orbital tight-binding model. Comparative analysis with the bulk phase attributes the reduced superconducting transition temperature (<i>T</i>_c) in thin films to the combined effects of the significantly reduced density of states (DOS) at <i>E</i>_<i>F</i> and the suppression of vertical superexchange coupling (<i>J</i>_⊥^Z), driven by strain-induced out-of-plane lattice expansion. Our findings establish that interface engineering goes beyond mere strain imposition, acting as a decisive factor in modulating nickelate orbital physics.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00193-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148465813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Baryons and baryoniums in the perspective of QCD sum rules","authors":"Sheng-Qi Zhang,&nbsp;Cong-Feng Qiao","doi":"10.1007/s43673-026-00192-y","DOIUrl":"10.1007/s43673-026-00192-y","url":null,"abstract":"<div><p>Following the experimental confirmation of tetraquark and pentaquark states, the search for hexaquark states has emerged as a new frontier in hadron physics. The recent observation of <span>(X(1840))</span> and <span>(X(1880))</span> by BESIII collaboration has provided evidence for the predicted <span>(pbar{p})</span> bound states. Such baryon-antibaryon configurations, encompassing both bound states and resonances, are commonly referred to as baryoniums and are regarded as promising hexaquark candidates. In this article, we provide a comprehensive review of the investigations into baryonium states and their constituents, i.e., baryons, within the framework of QCD sum rules. We delineate the fundamental calculation procedures of this method to facilitate its practical application and benchmark the theoretical predictions against alternative models as well as the latest experimental data.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":4.2,"publicationDate":"2026-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00192-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148380553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"News and views (5&6)","authors":"AAPPS Bulletin","doi":"10.1007/s43673-026-00191-z","DOIUrl":"10.1007/s43673-026-00191-z","url":null,"abstract":"","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":5.9,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00191-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148172284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Physics of many-body resonances with complex scaling and applications to light unstable nuclei","authors":"Takayuki Myo","doi":"10.1007/s43673-026-00189-7","DOIUrl":"10.1007/s43673-026-00189-7","url":null,"abstract":"<div><p>We review the exotic phenomena in light unstable nuclei with a focus on many-body resonances, which can decay into more than two constituents, and are frequently observed in unstable nuclei above the three-body threshold energy. The complex scaling transformation of the Schrödinger equation is a powerful method for describing many-body resonances, because it separates the continuum spectra into resonant and non-resonant continuum ones. Since the asymptotic wave functions of the resonances are regularized in the complex scaling, many-body resonances are described using the <span>(L^2)</span> basis functions in the eigenvalue problem. The properties of many-body resonances can then be discussed in the same way as those of the bound states. We apply the complex scaling to the system consisting of a stable nucleus and valence nucleons and investigate many-body resonances in neutron-rich and proton-rich light nuclei. Using the eigenstates obtained with the complex scaling, we construct the extended completeness relation and the Green’s function. They are used to calculate the level densities and the general transition strengths into many-body unbound states. We also discuss the interpretation of the complex expectation values associated with resonances, which remains an open problem. We propose a possible scheme for it in terms of the complex-scaled Green’s function.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":5.9,"publicationDate":"2026-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00189-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148173333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A short review on QCD sum rule studies of (P)-wave single heavy baryons","authors":"Xuan Luo,&nbsp;Shu-Wei Zhang,&nbsp;Hua-Xing Chen,&nbsp;Atsushi Hosaka,&nbsp;Niu Su,&nbsp;Hui-Min Yang","doi":"10.1007/s43673-026-00188-8","DOIUrl":"10.1007/s43673-026-00188-8","url":null,"abstract":"<div><p>In recent decades, the spectroscopy of singly heavy baryons has made significant progress, with many excited states observed experimentally. Among the various theoretical approaches used to study their properties, the QCD sum rule method has been widely applied. In this paper, we review QCD sum rule studies of singly heavy baryons, with particular emphasis on our systematic investigations of <span>(P)</span>-wave states over the past ten years using QCD sum rules and light-cone sum rules within the framework of heavy quark effective theory. These studies provide plausible interpretations for many observed excited heavy baryons, including the <span>(Lambda_c(2595)^+)</span>, <span>(Lambda_c(2625)^+)</span>, <span>(Xi_c(2790)^{0/+})</span>, <span>(Xi_c(2815)^{0/+})</span>, <span>(Sigma_c(2800)^0)</span>, <span>(Xi_c(2882)^0)</span>, <span>(Xi_c(2923)^0)</span>, <span>(Xi_c(2939)^0)</span>, <span>(Xi_c(2965)^0)</span>, <span>(Omega_c(3000)^0)</span>, <span>(Omega_c(3050)^0)</span>, <span>(Omega_c(3066)^0)</span>, <span>(Omega_c(3090)^0)</span>, <span>(Omega_c(3119)^0)</span>, <span>(Lambda_b(5912)^0)</span>, <span>(Lambda_b(5920)^0)</span>, <span>(Xi_b(6087)^0)</span>, <span>(Xi_b(6095)^0/Xi_b(6100)^-)</span>, <span>(Sigma_b(6097)^pm)</span>, <span>(Xi_b(6227)^-)</span>, <span>(Omega_b(6316)^-)</span>, <span>(Omega_b(6330)^-)</span>, <span>(Omega_b(6340)^-)</span>, and <span>(Omega_b(6350)^-)</span>. While the absolute masses extracted from QCD sum rules may have sizable systematic uncertainties, the relative mass splittings and qualitative decay patterns are generally more robust and thus provide useful guidance for phenomenological assignments and future experimental searches. We also predict a number of yet-unobserved <span>(P)</span>-wave singly heavy baryons, many of which are expected to have relatively narrow decay widths and are therefore promising for experimental observation. More broadly, the study of singly heavy baryons is closely related to two fundamental questions: “<i>What is the shortest possible lifetime of an observable particle</i>” and “<i>How can one generally describe approximate (flavor) symmetries</i>”.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":5.9,"publicationDate":"2026-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00188-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148173334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Amorphous Ga2O3 deep UV imager for label-free biomolecule detection","authors":"Wei Cai,&nbsp;Huili Liang,&nbsp;Weijing Han,&nbsp;Rui Zhu,&nbsp;Ye Zhang,&nbsp;Wei Zheng,&nbsp;Zengxia Mei","doi":"10.1007/s43673-026-00190-0","DOIUrl":"10.1007/s43673-026-00190-0","url":null,"abstract":"<div><p>Biomolecule analysis plays a vital role in early disease diagnosis, personalized nutrition, food science, and basic biomedical research. Yet, current technologies face fundamental trade-offs between each pair of the parameters including sensitivity, throughput and cost. In this work, a scalable platform for biomolecule sensing was proposed based on amorphous gallium oxide (a-Ga₂O₃) thin film considering its remarkable deep ultraviolet (UV) response property and unique low-temperature compatibility with large-area electronics. A single-pixel a-Ga₂O₃ photodetector with a peak responsivity of 0.65 A/W at 255 nm was first employed to identify four basic biomolecules including adenine, guanine, L-phenylalanine, and L-tyrosine. The concentration-dependent photocurrent varied in good agreement with their distinct UV absorbance properties verified by a commercial UV-Vis spectrometer. Further, a 64 × 64 deep UV imaging array was constructed by directly depositing the a-Ga₂O₃ film onto a commercial amorphous silicon (a-Si) thin-film transistor (TFT) backplane, successfully achieving a high-throughput imaging of the four biomolecules. These results establish a viable strategy for a portable, miniaturized and cost-effective biomolecule sensing circuit with rapid and label-free detection.</p></div>","PeriodicalId":100007,"journal":{"name":"AAPPS Bulletin","volume":"36 1","pages":""},"PeriodicalIF":5.9,"publicationDate":"2026-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s43673-026-00190-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148173394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}