Progress in Particle and Nuclear Physics最新文献

{"title":"Strongly interacting matter in extreme magnetic fields","authors":"Prabal Adhikari, Martin Ammon, Sidney S. Avancini, Alejandro Ayala, Aritra Bandyopadhyay, David Blaschke, Fabio L. Braghin, Pavel Buividovich, Rafael P. Cardoso, Casey Cartwright, Jorge David Castaño-Yepes, Maxim N. Chernodub, Máximo Coppola, Mayusree Das, Mariana Dutra, Gergely Endrődi, Jianjun Fang, Ricardo L.S. Farias, Eduardo S. Fraga, Arthur Frazon, Kenji Fukushima, Juan D. García-Muñoz, Eduardo Garnacho-Velasco, Daniel Gomez Dumm, Sebastian Grieninger, Francesca Gulminelli, Juan Hernandez, Chowdhury Aminul Islam, Matthias Kaminski, Andrey Kotov, Gastão Krein, Jing Li, Pok Man Lo, Marcelo Loewe, Odilon Lourenço, Gergely Markó, Kau D. Marquez, Ana Mizher, Banibrata Mukhopadhyay, Enrique Muñoz, Santiago Noguera, Rodrigo M. Nunes, Helena Pais, Letícia F. Palhares, Constança Providência, Alfredo Raya, Tulio Restrepo, Juan Cristóbal Rojas, Norberto N. Scoccola, Luigi Scurto, Armen Sedrakian, Dominik Smith, William Rafael Tavares, Maria E. Tejeda-Yeomans, Varese S. Timóteo, Laura Tolos, Cristian Villavicencio, Fridolin Weber, Shigehiro Yasui, Renato Zamora, Zenia Zuraiq","doi":"10.1016/j.ppnp.2025.104199","DOIUrl":"https://doi.org/10.1016/j.ppnp.2025.104199","url":null,"abstract":"Magnetic fields are ubiquitous across different physical systems of current interest; from the early Universe, compact astrophysical objects, and heavy-ion collisions to condensed matter systems. A proper treatment of the effects produced by magnetic fields during the dynamical evolution of these systems can help to understand observables that otherwise show puzzling behavior. Furthermore, when these fields are comparable to or stronger than <mml:math altimg=\"si3.svg\" display=\"inline\"><mml:msub><mml:mrow><mml:mi>Λ</mml:mi></mml:mrow><mml:mrow><mml:mtext>QCD</mml:mtext></mml:mrow></mml:msub></mml:math>, they serve as excellent probes to help elucidate the physics of strongly interacting matter under extreme conditions of temperature and density. This work provides a detailed report that contains in-depth analysis and expert insights into the specific topic of the effects of strong magnetic fields on QED and QCD systems. In this sense, the report is intended as a white paper contribution to the field. The subjects developed include the modification of meson static properties such as masses and form factors, the chiral magnetic effect, the description of anomalous transport coefficients, superconductivity in extreme magnetic fields, the properties of neutron stars, the evolution of heavy-ion collisions, as well as effects on the QCD phase diagram. We describe recent theory and phenomenological developments using effective models as well as LQCD methods. The work was motivated by presentations and discussions during the “Workshop on Strongly Interacting Matter in Strong Electromagnetic Fields” that took place in the European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*) in the city of Trento, Italy, September 25–29, 2023.","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"10 1","pages":""},"PeriodicalIF":9.6,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145182896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Relativistic atomic structure calculations in support of spectroscopy","authors":"L.F. Pašteka ,&nbsp;E. Eliav ,&nbsp;M.L. Reitsma ,&nbsp;A. Borschevsky","doi":"10.1016/j.ppnp.2025.104200","DOIUrl":"10.1016/j.ppnp.2025.104200","url":null,"abstract":"<div><div>Theory can provide important support at all the stages of spectroscopic experiments, from planning the measurements to the interpretation of the results. Such support is particularly valuable for the challenging experiments on heavy, unstable, and superheavy elements and for precision measurements aimed at testing the Standard Model of particle physics. To be reliable and useful in experimental context, theoretical predictions should be based on high-accuracy calculations. For heavy elements, such calculations must treat both relativistic effects and electron correlation on the highest possible level. Relativistic coupled cluster is considered one of the most powerful methods for accurate calculations on heavy many-electron atoms and molecules. This approach is highly accurate and versatile and can be used to obtain energies and a variety of atomic and molecular properties. Furthermore, its robust and transparent formulation allows for systematic improvement of the accuracy of the calculated results and for assigning uncertainties on theoretical values. The Fock-space coupled cluster (FSCC) variant of this method is particularly useful in the context of spectroscopic measurements as it provides access to atomic spectra and properties of the excited states. In this review, we present in detail the relativistic coupled cluster approach and its FSCC variant. We provide a description of the computational procedure used for accurate calculations and for assigning uncertainties. Outstanding recent examples of application to atomic properties, focusing on the experimental context, are presented. Finally, we provide a brief discussion of the perspectives for future developments and applications of the CC approach.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"146 ","pages":"Article 104200"},"PeriodicalIF":17.9,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145098727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Ultra-cold atoms as quantum simulators for relativistic phenomena","authors":"Ralf Schützhold","doi":"10.1016/j.ppnp.2025.104198","DOIUrl":"10.1016/j.ppnp.2025.104198","url":null,"abstract":"<div><div>The goal of this article is to review developments regarding the use of ultra-cold atoms as quantum simulators. Special emphasis is placed on relativistic quantum phenomena, which are presumably most interesting for the audience of this journal. After a brief introduction into the main idea of quantum simulators and the basic physics of ultra-cold atoms, relativistic quantum phenomena of linear fields are discussed, including Hawking radiation, the Unruh effect, cosmological particle creation, the Gibbons–Hawking and Ginzburg effects, super-radiance, Sauter–Schwinger and Breit–Wheeler pair creation, as well as the dynamical Casimir effect. After that, the focus is shifted to phenomena of non-linear fields, such as the sine–Gordon model, the Kibble–Zurek mechanism, false-vacuum decay, and quantum back-reaction. In order to place everything into proper context, the basic underlying mechanisms of these phenomena are briefly recapitulated before their simulators are discussed. Even though effort is made to provide a review as fair as possible, there can be no claim of completeness and the selection as well as the relative weights of the topics may well reflect the personal view and taste of the author.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"145 ","pages":"Article 104198"},"PeriodicalIF":17.9,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144722325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Precise muon detection with novel micropattern gaseous detectors","authors":"Kerstin Hoepfner","doi":"10.1016/j.ppnp.2025.104187","DOIUrl":"10.1016/j.ppnp.2025.104187","url":null,"abstract":"<div><div>The luminosity frontier in particle physics, in particular the high-luminosity LHC, poses a new level of challenges for the detection of muons. In consequence, muon systems had to evolve into large-scale tracking systems with high spatial and time resolution. Especially the forward regions of the LHC experiments ATLAS and CMS will be challenged by high particle rates and the resulting irradiation, while they need to identify and efficiently trigger the muons from signal events. A new type of gaseous detectors – micro-pattern gas detectors – plays a crucial role in the quest of meeting these goals. This next generation of muon systems had to overcome several technological challenges, like mass production of large-area detectors and high-voltage stability. Two technologies of micropattern gas detectors were identified for the upgrades of the muon forward systems of ATLAS and CMS. This article focuses on their development, implementation and performance. At the end, examples of promising R&amp;D for further developments of future muon systems are summarized.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"145 ","pages":"Article 104187"},"PeriodicalIF":14.5,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144664996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Nuclear physics at BRIF","authors":"Wei Nan (南巍) ,&nbsp;Bing Guo (郭冰) ,&nbsp;Jie Chen (陈洁) ,&nbsp;Baoqun Cui (崔保群) ,&nbsp;Wei Fu (付伟) ,&nbsp;Xianlu Jia (贾先禄) ,&nbsp;Chaoxin Kan (阚朝新) ,&nbsp;Jiayinghao Li (李家英豪) ,&nbsp;Yunju Li (李云居) ,&nbsp;Chengjian Lin (林承键) ,&nbsp;Yihui Liu (刘亦晖) ,&nbsp;Nanru Ma (马南茹) ,&nbsp;Zhaohua Peng (彭朝华) ,&nbsp;Yangping Shen (谌阳平) ,&nbsp;Guofang Song (宋国芳) ,&nbsp;Jun Su (苏俊) ,&nbsp;Bing Tang (唐兵) ,&nbsp;Haorui Wang (王浩睿) ,&nbsp;Youbao Wang (王友宝) ,&nbsp;Lei Yang (杨磊) ,&nbsp;Weiping Liu (柳卫平)","doi":"10.1016/j.ppnp.2025.104188","DOIUrl":"10.1016/j.ppnp.2025.104188","url":null,"abstract":"<div><div>The Beijing Radioactive Ion-beam Facility (BRIF), based on the Isotope Separation On-Line (ISOL) technique, consists of a 100 MeV proton cyclotron as the driving accelerator, a two-stage ISOL system for ion separation, a 13-MV tandem accelerator for post-acceleration, a superconducting linac for further boosting beam energies. It is capable of providing ISOL beams in the energy range from 60 to 300 keV, and post-accelerated beams in the energy range from 3 to 10 MeV/u for nuclei with mass numbers of <span><math><mi>A</mi></math></span> <span><math><mo>&lt;</mo></math></span> 80. For nuclei with <span><math><mi>A</mi></math></span> up to 170, energies are still able to reach 3 MeV/u. This facility offers opportunities to address key questions of current interest in nuclear astrophysics, nuclear structure and reactions of unstable nuclei. In this review we present a comprehensive introduction to the BRIF and the typical experimental instruments installed on it, and then summarize current experimental results on unstable Na and Rb isotopes and future plan for development of the BRIF to improve its performance.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"145 ","pages":"Article 104188"},"PeriodicalIF":14.5,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144665021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Gluon mass scale through the Schwinger mechanism","authors":"M.N. Ferreira ,&nbsp;J. Papavassiliou","doi":"10.1016/j.ppnp.2025.104186","DOIUrl":"10.1016/j.ppnp.2025.104186","url":null,"abstract":"<div><div>It has long been argued that the action of the Schwinger mechanism in the gauge sector of Quantum Chromodynamics leads to the generation of a gluon mass scale. Within this scenario, the analytic structure of the fundamental vertices is modified by the creation of scalar colored excitations with vanishing mass. In the limit of zero momentum transfer, these terms act as massless poles, providing the required conditions for the infrared stabilization of the gluon propagator, and producing a characteristic displacement to the associated Ward identities. In this article we offer an extensive overview of the salient notions and techniques underlying this dynamical picture. We place particular emphasis on recent developments related to the exact renormalization of the mass, the nonlinear nature of the pole equation, and the key role played by the Fredholm alternative theorem.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"144 ","pages":"Article 104186"},"PeriodicalIF":14.5,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Mapping parton distributions of hadrons with lattice QCD","authors":"Huey-Wen Lin","doi":"10.1016/j.ppnp.2025.104177","DOIUrl":"10.1016/j.ppnp.2025.104177","url":null,"abstract":"<div><div>The strong force which binds hadrons is described by the theory of quantum chromodynamics (QCD). Determining the character and manifestations of QCD is one of the most important and challenging outstanding issues necessary for a comprehensive understanding of the structure of hadrons. Within the context of the QCD parton picture, the parton distribution functions (PDFs) have been remarkably successful in describing a wide variety of processes. However, these PDFs have generally been confined to the description of collinear partons within the hadron. New experiments and facilities provide the opportunity to additionally explore the three-dimensional structure of hadrons, which can be described by generalized parton distributions (GPDs), for example.</div><div>In recent years, a breakthrough was made in calculating the Bjorken-<span><math><mi>x</mi></math></span> dependence of PDFs in lattice QCD by using large-momentum effective theory (LaMET) and other similar frameworks. The breakthrough has led to the emergence and rapid development of direct calculations of Bjorken-<span><math><mi>x</mi></math></span>-dependent structure. In this review article, we show some of the recent progress made in lattice QCD in PDFs and GPDs and discuss future challenges.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"144 ","pages":"Article 104177"},"PeriodicalIF":14.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144169879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Ordinary and exotic mesons in the extended Linear Sigma Model","authors":"Francesco Giacosa ,&nbsp;Péter Kovács ,&nbsp;Shahriyar Jafarzade","doi":"10.1016/j.ppnp.2025.104176","DOIUrl":"10.1016/j.ppnp.2025.104176","url":null,"abstract":"&lt;div&gt;&lt;div&gt;The extended Linear Sigma Model (eLSM) is a hadronic model based on the global symmetries of QCD and the corresponding explicit, anomalous, and spontaneous breaking patterns. In its basic three-flavor form, its mesonic part contains the dilaton/glueball as well as the nonets of pseudoscalar, scalar, vector, and axial–vector mesons, thus chiral symmetry is linearly realized. In the chiral limit and neglecting the chiral anomaly, only one term – within the dilaton potential – breaks dilatation invariance, and all terms are chirally symmetric. Spontaneous symmetry breaking is implemented by a generalization of the Mexican-hat potential, with explicit symmetry breaking responsible for its tilting. The overall mesonic phenomenology up to &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mo&gt;∼&lt;/mo&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; GeV is in agreement with the PDG compilation of masses and partial and total decay widths. The eLSM was enlarged in a straightforward way to include other conventional quark–antiquark nonets (pseudovector and orbitally excited vector mesons, tensor and axial-tensor mesons, radially excited (pseudo)scalar mesons, etc.), as well as two nonets of hybrid mesons, the lightest one with exotic quantum numbers &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;J&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;P&lt;/mi&gt;&lt;mi&gt;C&lt;/mi&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;mo&gt;=&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; not allowed for &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mover&gt;&lt;mrow&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;̄&lt;/mo&gt;&lt;/mrow&gt;&lt;/mover&gt;&lt;mi&gt;q&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; objects, such as the resonance &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;π&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;1600&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; and the recently discovered &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;η&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;1855&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;. In doing so, different types of chiral multiplets are introduced: heterochiral and homochiral multiplets, which differ in the way they transform under chiral transformations. Moreover, besides the scalar glueball that is present from the beginning as dilaton, other glueballs, the tensor, the pseudoscalar and the vector glueballs were coupled to the eLSM: the scalar resonance &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;0&lt;/mn&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;1710&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; turns out to be mostly gluonic, the tensor glueball couples strongly to vector mesons, and the pseudoscalar glueball couples sizably to &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;π&lt;/mi&gt;&lt;mi&gt;π&lt;/mi&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;η&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;′&lt;/mo&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; and can be assigned to &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;X&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;2370&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; or &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;X&lt;/mi&gt;&lt;mrow&gt;&lt;mo&gt;(&lt;/mo&gt;&lt;mn&gt;2600&lt;/mn&gt;&lt;mo&gt;)&lt;/mo&gt;&lt;/mrow&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;. In all cases above, masses and decays can be analyzed allowing for a better understanding of both conventional and non-","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"143 ","pages":"Article 104176"},"PeriodicalIF":14.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143887733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Recent developments in relativistic hydrodynamic fluctuations","authors":"Gökçe Başar","doi":"10.1016/j.ppnp.2025.104175","DOIUrl":"10.1016/j.ppnp.2025.104175","url":null,"abstract":"<div><div>The study of thermal fluctuations in relativistic hydrodynamics has led to numerous important developments in the last decade. We present a bird’s eye view of the recent advances on the theory of fluctuations on three fronts; stochastic hydrodynamics, hydro-kinetics where fluctuations are included as additional modes that satisfy deterministic evolution equations, and effective field theory formulation of relativistic hydrodynamics. We compare and contrast these different but complimentary frameworks and highlight various recent progresses in each of them.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"143 ","pages":"Article 104175"},"PeriodicalIF":14.5,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Probing quantum phenomena through photoproduction in relativistic heavy-ion collisions","authors":"James Daniel Brandenburg ,&nbsp;Spencer R. Klein ,&nbsp;Zhangbu Xu ,&nbsp;Shuai Yang ,&nbsp;Wangmei Zha ,&nbsp;Jian Zhou","doi":"10.1016/j.ppnp.2025.104174","DOIUrl":"10.1016/j.ppnp.2025.104174","url":null,"abstract":"<div><div>Photoproduction in ultra-peripheral relativistic heavy-ion collisions displays many unique features, often involving quantum mechanical coherence and two-source interference between photon emission from the two ions. We review the recent experimental results from RHIC and the LHC and theoretical studies of coherent vector meson photoproduction, emphasizing the quantum mechanical aspects of the interactions and the entanglement between the final state particles. These studies enrich our understanding of non-local realism, underscore the critical role of the polarization of the photon source, quantum interference and nuclear effect on the gluon distribution. It paves a way for quantitatively probing the quantum nature of these high-energy nuclear collisions.</div></div>","PeriodicalId":412,"journal":{"name":"Progress in Particle and Nuclear Physics","volume":"143 ","pages":"Article 104174"},"PeriodicalIF":14.5,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}