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Hysteresis-Loop Criticality in Disordered Ferromagnets–A Comprehensive Review of Computational Techniques

Computer Modeling in Engineering & Sciences 2025年第2期142卷 1021-1107页

作者： Djordje Spasojevic Sanja Janicevic Svetislav Mijatovic Bosiljka Tadic Faculty of physics University of BelgradeBelgrade11001Serbia Faculty of Science University of KragujevacKragujevac34000Serbia Department for Theoretical physics Jozef Stefan InstituteLjubljanaSl-1001Slovenia Complexity Science Hub Josephstaedterstrasse 39Vienna1080Austria

Disordered ferromagnets with a domain structure that exhibit a hysteresis loop when driven by the external magnetic field are essential materials for modern technological ***,the understanding and potential for controlling the hysteresis phenomenon in thesematerials,especially concerning the disorder-induced critical behavior on the hysteresis loop,have attracted significant experimental,theoretical,and numerical research *** review the challenges of the numerical modeling of physical phenomena behind the hysteresis loop critical behavior in disordered ferromagnetic systems related to the non-equilibriumstochastic dynamics of domain walls driven by external ***,using the extended Random Field Ising Model,we present different simulation approaches and advanced numerical techniques that adequately describe the hysteresis loop shapes and the collective nature of the magnetization fluctuations associated with the criticality of the hysteresis loop for different sample shapes and varied parameters of disorder and rate of change of the external field,as well as the influence of thermal fluctuations and demagnetizing *** studied examples demonstrate how these numerical approaches reveal newphysical insights,providing quantitativemeasures of pertinent variables extracted from the systems’simulated or experimentally measured Barkhausen noise *** described computational techniques using inherent scale-invariance can be applied to the analysis of various complex systems,both quantum and classical,exhibiting non-equilibrium dynamical critical point or self-organized criticality.

关键词： Disordered ferromagnets hysteresis-loop criticality magnetization-reversal avalanches in simulations and experiments zero-temperature and thermal Random Field Ising Model simulations computational techniques for multiparameter scaling analysis multifractal Barkhausen noise finite driving rates demagnetizing effects nonequilibrium critical dynamics

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NON-qq MESONS

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Chinese physics C 2016年第10期40卷 798-803页

作者： C. Amsler C. Hanhart University of Bern and stefan meyer institute for subatomic physics Vienna Forschungszentrum J/ilich

The constituent quark model describes the observed meson spectrum as bound qq states grouped into SU（N） flavor multiplets （see our review on the ＇Quark Model＇ in this issue of the Review）. However, the self-coupling of gluons in QCD suggests that additional mesons made of bound gluons （glueballs）, or qq-pairs with an excited gluon （hybrids）, may exist.

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Prediction of energy resolution in the JUNO experiment

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Chinese physics C 2025年第1期49卷 35-59页

作者： Angel Abusleme Thomas Adam Kai Adamowicz Shakeel Ahmad Rizwan Ahmed Sebastiano Aiello Fengpeng An Qi An Giuseppe Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Joao Pedro Athayde Marcondes de André Didier Auguste Weidong Bai Nikita Balashov Wander Baldini Andrea Barresi Davide Basilico Eric Baussan Marco Bellato Marco Beretta Antonio Bergnoli Daniel Bick Lukas Bieger Svetlana Biktemerova Thilo Birkenfeld Iwan Blake David Blum Simon Blyth Anastasia Bolshakova Mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti Riccardo Brugnera Riccardo Bruno Antonio Budano Jose Busto Anatael Cabrera Barbara Caccianiga Hao Cai Xiao Cai Yanke Cai Zhiyan Cai Stéphane Callier Steven Calvez Antonio Cammi Agustin Campeny Chuanya Cao Guofu Cao Jun Cao Rossella Caruso Cédric Cerna Vanessa Cerrone Jinfan Chang Yun Chang Auttakit Chatrabhuti Chao Chen Guoming Chen Pingping Chen Shaomin Chen Xin Chen Yiming Chen Yixue Chen Yu Chen Zelin Chen Zhangming Chen Zhiyuan Chen Zikang Chen Jie Cheng Yaping Cheng YuChin Cheng Alexander Chepurnov Alexey Chetverikov Davide Chiesa Pietro Chimenti Yen-Ting Chin Po-Lin Chou Ziliang Chu Artem Chukanov Gérard Claverie Catia Clementi Barbara Clerbaux Marta Colomer Molla Selma Conforti Di Lorenzo Alberto Coppi Daniele Corti Simon Csakli Chenyang Cui Flavio Dal Corso Olivia Dalager Jaydeep Datta Christophe De La Taille Zhi Deng Ziyan Deng Xiaoyu Ding Xuefeng Ding Yayun Ding Bayu Dirgantara Carsten Dittrich Sergey Dmitrievsky Tadeas Dohnal Dmitry Dolzhikov Georgy Donchenko Jianmeng Dong Evgeny Doroshkevich Wei Dou Marcos Dracos Frédéric Druillole Ran Du Shuxian Du Katherine Dugas stefano Dusini Hongyue Duyang Jessica Eck Timo Enqvist Andrea Fabbri Ulrike Fahrendholz Lei Fan Jian Fang Wenxing Fang Dmitry Fedoseev Li-Cheng Feng Qichun Feng Federico Ferraro Amélie Fournier Fritsch Fritsch Haonan Gan Feng Gao Feng Gao Alberto Garfagnini Arsenii Gavrikov Marco Giammarchi Nunzio Giudice Maxim Gonchar Guanghua Gong Hui Gong Yuri Gornushkin Marco Grassi Maxim Gromov Vasily Gromov Minghao G Yerevan physics institute YerevanArmenia Université Libre de Bruxelles BrusselsBelgium Universidade Estadual de Londrina LondrinaBrazil Pontificia Universidade Catolica do Rio de Janeiro Rio de JaneiroBrazil Millennium institute for subatomic physics at the High-energy Frontier(SAPHIR) ANIDChile Pontificia Universidad Católica de Chile SantiagoChile Beijing institute of Spacecraft Environment Engineering BeijingChina Beijing Normal University BeijingChina China institute of Atomic Energy BeijingChina institute of High Energy physics BeijingChina North China Electric Power University BeijingChina School of physics Peking UniversityBeijingChina Tsinghua University BeijingChina University of Chinese Academy of Sciences BeijingChina Jilin University ChangchunChina College of Electronic Science and Engineering National University of Defense TechnologyChangshaChina Chongqing University ChongqingChina Dongguan University of Technology DongguanChina Jinan University GuangzhouChina Sun Yat-sen University GuangzhouChina Harbin institute of Technology HarbinChina University of Science and Technology of China HefeiChina The Radiochemistry and Nuclear Chemistry Group in University of South China HengyangChina Wuyi University JiangmenChina Shandong University JinanChinaand Key Laboratory of Particle Physics and Particle Irradiation of Ministry of EducationShandong UniversityQingdaoChina Nanjing University NanjingChina Guangxi University NanningChina East China University of Science and Technology ShanghaiChina School of physics and Astronomy Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee institute Shanghai Jiao Tong UniversityShanghaiChina institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesShijiazhuangChina Nankai University TianjinChina Wuhan University WuhanChina Xi'an Jiaotong University Xi'anChina Xiamen University XiamenChina School of physics and Microelectronics Zhengzhou UniversityZhengzhouChina institute of physics National

This paper presents an energy resolution study of the JUNO experiment,incorporating the latest knowledge acquired during the detector construction *** determination of neutrino mass ordering in JUNO requires an exceptional energy resolution better than 3% at 1 *** achieve this ambitious goal,significant efforts have been undertaken in the design and production of the key components of the JUNO *** factors affecting the detection of inverse beta decay signals have an impact on the energy resolution,extending beyond the statistical fluctuations of the detected number of photons,such as the properties of the liquid scintillator,performance of photomultiplier tubes,and the energy reconstruction *** account for these effects,a full JUNO simulation and reconstruction approach is *** enables the modeling of all relevant effects and the evaluation of associated inputs to accurately estimate the energy *** results of this study reveal an energy resolution of 2.95% at 1 ***,this study assesses the contribution of major effects to the overall energy resolution *** analysis serves as a reference for interpreting future measurements of energy resolution during JUNO data ***,it provides a guideline for comprehending the energy resolution characteristics of liquid scintillator-based detectors.

关键词： energy resolution liquid scintillator detector JUNO simulation reconstruction

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Study of D_s~±→μ~±V_μ at Belle

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Chinese physics C 2008年第6期32卷 495-498页

作者： B.Golob Jozef stefan institute and Faculty of Mathematics and physics Univ.of LjubljanaLjubljanaSlovenia

We present a preliminary measurement of the B（Ds→μvu） with the Belle experiment at the KEKB collider. We select Ds →μvu decays with a method that provides a high-purity of the selected sample and an absolute measurement of the branching fraction. The results are based on a data sample of 550 fb^-1 and are compared to similar measurements by other experiments as well as to the predictions of LQCD. We conclude with short prospects for improvements in the accuracy of the measurement.

关键词： meson decays leptonic decays decay constant lattice QCD

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Plasma effects on the bacteria Escherichia coli via two evaluation methods

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Plasma Science and Technology 2017年第7期19卷 102-109页

作者： Danijela VUJO?EVI? Uro? CVELBAR Ur?ka REPNIK Martina MODIC Sa?a LAZOVI? Tina ZAVA?NIK-BERGANT Nevena PUA? Boban MUGO?A Evangelos GOGOLIDES Zoran Lj PETROVI? Miran MOZETI? institute of Public Health Jozef stefan institute institute of physics University of Belgrade institute of Nanoscience and Nanotechnology (INN) National Center for Scientific Research NCSR Demokritos

The degradation of Escherichia coli bacteria by treatment with cold, weakly ionised, highly dissociated oxygen plasma, with an electron temperature of 3 eV, a plasma density of 8 × 10^15 m^-3 and a neutral oxygen atom density of 3.5 × 10^21 m^-3 was studied. To determine the ＇real＇ plasma effects, two methods were used for evaluation and determination, as well as a comparison of the number of bacteria that had survived： the standard plate count technique （PCT） and advanced fluorescence-activated cell sorting （FACS）. Bacteria were deposited onto glass substrates and kept below 50 ℃ during the experiments with oxygen plasma. The results showed that the bacteria had fully degraded after about 2 min of plasma treatment, depending slightly on the amount of bacteria that had been deposited on the substrates. The very precise determination of the O flux on the substrates and the two-method comparison allowed for the determination of the critical dose of oxygen atoms required for the destruction of a bacterial cell wall--about 6 × 10^24 m^-2--as well as deactivation of the substrates--about 8 × 10^25 m^-2. These results were taken in order to discuss other results obtained by comparable studies and scientific method evaluations in the determination of plasma effects on bacteria.

关键词： oxygen plasma bacteria degradation PCT FACS

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Performances of an Active Target GEM-Based TPC for the AMADEUS Experiment

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Modern Instrumentation 2015年第3期4卷 32-41页

作者： Marco Poli Lener Giovanni Corradi Catalina Curceanu Diego Tagnani Antonio Romero Vidal Johann Zmeskal Laboratori Nazionali di Frascati dell’INFN Frascati Italy Universidad de Santiago de Compostela Santiago de Compostela Spain stefan meyer institute for subatomic physics Vienna Austria

In this paper, we present the R & D activity on a new GEM-based Time Projection Chamber (GEM-TPC) detector for the inner region of the AMADEUS experiment, which is aiming to perform measurements of low-energy negative kaon interactions in nuclei at the DAΦNE e+ e- collider at LNF-INFN. A novel idea of using a GEM-TPC as a low mass target and detector at the same time comes motivated by the need of studying the low energy interactions of K- with nuclei in a complete way, tracking and identifying all of the produced particles. Even more, what makes the experimental proposal revolutionary is the possibility of using different gaseous targets without any other substantial intervention on the experimental setup, making it a flexible multipurpose device. This new detection technique applied to the nuclear physics requires the use of low-radiation length materials and very pure light gases such as Hydrogen, Deuterium, Helium-3, Helium-4, etc. In order to evaluate the GEM-TPC performances, a 10 × 10 cm2 prototype with a drift gap of 15 cm has been realized. The detector was tested at the πM1 beam facility of the Paul Scherrer Institut (PSI) with low momentum pions and protons. Detection efficiency and spatial resolution, as a function of gas mixture, gas gain and ionazing particle, are reported and discussed.

关键词： GEM TPC Tracking Particle Identification

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Plasma-Induced Interfacial Processes in Metal Halides FTIR Gas Cell Windows

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Journal of Analysis and Testing 2023年第4期7卷 392-404页

作者： Jaka Olenik Vasyl Shvalya Martina Modic Jernej Ekar Janez Kovac Uros Cvelbar James L.Walsh York Plasma institute School of PhysicsEngineering and TechnologyUniversity of YorkYork YO105DDUK Department for Gaseous Electronics F6 Jozef Stefan Institute1000 LjubljanaSlovenia Department of Surface Engineering F4 Jozef Stefan Institute1000 LjubljanaSlovenia Jozef stefan International Postgraduate School 1000 LjubljanaSlovenia

Fourier transform infrared spectroscopy(FTIR)is one of the most widely used vibrational diagnostic techniques to investigate gas-phase reactive oxygen and nitrogen species(RONS).However,the technique carries intrinsic challenges,particularly in relation to interfering peaks in the spectral *** study explores the interfacial processes that occur when reactive oxygen and nitrogen species generated by a non-equilibrium air plasma interact with the metal halide windows of an FTIR gas cell,leading to the appearance and evolution of spurious absorption peaks which complicate spectral *** spectroscopy,X-ray photoelectron spectroscopy,time of flight secondary ion mass spectrometry and attenuated total reflectance-FTIR spectroscopy were used to elucidate the origin of spurious absorption peaks spanning the 1400-1300 cm^(-1)spectral range as a result of KBr exposure to plasma generated *** was found that plasma exposed KBr contained a lower atomic fraction of Br which was replaced by the NO3nitrate group,the main absorbance peak of which progressively evolved with plasma exposure and affected the window transparency over the corresponding FTIR region.A correlation was revealed between KNO_(3)formation,plasma power and exposure time to a growth and change in molecular vibrational energies corresponding to asymmetric NO3stretching vibrations in the KNO_(3)structure.

关键词： Cold atmospheric-pressure plasma Gas-phase FTIR RONS IR windows Surface functionalisation KBr

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Nonadiabatic holonomic quantum computation and its optimal control

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Science China(Information Sciences) 2023年第8期66卷 23-44页

作者： Yan LIANG Pu SHEN Tao CHEN Zheng-Yuan XUE Key Laboratory of Atomic and subatomic Structure and Quantum Control (Ministry of Education) School of Physics South China Normal University Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials Guangdong-Hong Kong Joint Laboratory of Quantum Matter Frontier Research Institute for PhysicsSouth China Normal University Hefei National Laboratory

The geometric phase has the intrinsic property of being resistant to some types of local noises as it only depends on global properties of the evolution path. Meanwhile, the non-Abelian geometric phase is in the matrix form, and thus can naturally be used to implement high performance quantum gates,i.e., the so-called holonomic quantum computation. This article reviews recent advances in nonadiabatic holonomic quantum computation, and focuses on various optimal control approaches that can improve the gate performance, in terms of gate fidelity and robustness. Besides, we also pay special attention to its possible physical realizations and some concrete examples of experimental realizations. Finally, with all these efforts, within state-of-the-art technology, the performance of the implemented holonomic quantum gates can outperform the conventional dynamical ones, under certain conditions.

关键词： quantum computation geometric phases quantum gates optimal control

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Pomeron as a Reggeized Tensor Glueball

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Communications in Theoretical physics 2001年第11期36卷 577-582页

作者： MA Wei-Xing A.W.Thomas SHEN Peng-Nian ZHOU Li-Juan institute of High Energy physics The Chinese Academy of SciencesP.O.Box 918Beijing 100039China Department of Physics and Mathematical Physicsand Special Research Center for the Subatomic Structure of MatterUniversity of AdelaideSA 5005Australia Institute of High Energy PhysicsThe Chinese Academy of SciencesP.O.Box 918Beijing 100039China Department of Information and Computing ScienceGuangxi University of TechnologyLiuzhou 545006China

We study gluonic content of the pomeron and propose that the pomeron could be a reggeized tensor glueball ζ(2230) with quantum numbers IG JPc = 0+2++.This conjecture is examined in high energy proton-proton elastic s... 详细信息

关键词： pomeron,tensor glueball,high energy proton-proton elastic scattering

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Simulation of optimal work extraction for quantum systems with work storage

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Chinese physics B 2024年第2期33卷 195-203页

作者：宋鹏飞张旦波 Key Laboratory of Atomic and subatomic Structure and Quantum Control(Ministry of Education) and School of PhysicsSouth China Normal UniversityGuangzhou 510006China Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials Guangdong–Hong Kong Joint Laboratory of Quantum Matterand Frontier Research Institute for PhysicsSouth China Normal UniversityGuangzhou 510006China

The capacity to extract work from a quantum heat machine is not only of practical value but also lies at the heart of understanding quantum *** this paper,we investigate optimal work extraction for quantum systems with work storage,where extracting work is completed by a unitary evolution on the composite *** consider the physical requirement of energy conservation both strictly and on *** both,we construct their corresponding unitaries and propose variational quantum algorithms for optimal work *** show that maximal work extraction in general can be feasible when energy conservation is satisfied on *** demonstrate with numeral simulations using a continuous-variable work *** work show an implementation of a variational quantum computing approach for simulating work extraction in quantum systems.

关键词： quantum algorithm quantum thermodyanmics

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