Proceedings of

7th Asia Pacific Physics Conference

19-23 August 1997, Beijing, China

UNIVK;

INFCHMAi

Editor

Hesheng Chen

CONTENTS

Advisory Committee t

Organizing Committee l

Preface 3

Scientific programme 5

Scientific programme for parallel sessions 7

Plenary:

Ward Identities for Classical Waves Transport in Disordered MediaH. T.Nieh 1

Dynamic Observation of Vortices in Superconductors Using Electron WavesAkira Tonomura 10

The Exact Solution of a Class of Three-dimensional Lattice Statisical ModelF.Y.Wu 20

Recent Achievements in Japanese Fusion Plasma ResearchAtsuo Iiyosh 29

Electronic Structure and Optical Property of Semiconductor NoncrystallitiesJianbaiXia 36

ON THE PHENOMENA OF INHOMOGENEITY:A common feature of High-Tc Cuprate superconductivity

Zhongxian Zhao 41Studies of Atomic and Moleoular Dynamics and Modifications of Surfaces with AtomicResolution Microscopy

TienT. Tsong 53Finite Energy Electroweak Monopoles

Y.M.Cho 58The Progress, of Beijing Spectrometer

Jin Li 67JA|/ Suppression as a Signal for the Quark-Gluon Plasma

Cheuk-Yin Wong 77Open Wave Systems

Kenneth Young 88KEKB and JLC, Electron-Positron Collider Projects in Japan

Shin-ichi Kurokawa 95Studies of Nuclei Far from Stability in China

YixiaoLuo , 105

Parallel:

Session 1. Coudeused Matter

The theory of localized one-electron eigenfunctions

H.P.Zheng 117

Infinite Coupling Magnon Theory of Quantum Heisenberg Magnetic Models of spin sB.G.Liu 119

Surface Energy of Superfluid NucleiK.Taruishi 121

Spin and charge density in interchain coupled organic ferromagnets with inter-siteelectron-electron interaction

W.ZWcmg 123Carbon Nitride and Related Materials

E. G. Wang 125Atomic-Scale Controlled Epitaxial Growth of Exide Films Using Laser molecular beam epitaxy

G.Z. Yang 131Superconductivity at 98 K in Bulk Pr05Cao5Ba2Cu307^ Prepared at High-Pressure

Y.F.Xiong 137Spin parity effect as the selection rule for quantum evolution of Spins

BozangLi 139Analytic Solution of Time-Dependent Schrodiger Equation for Wavepacket in a Magnetic Field

LF.Xu 141Study on optical microcavities of condensed matter

LunDai '. 144Level Statistics and Metal-Insulator Transitions in Quasiperiodic Systems

J.XZhong 146Influence of Anharmonicity in EXAFS

Vu Van Hong 148

Session 2. Particle Physics

Determination of the Mass of the W Boson from the Tevatron ColliderR. Brock 150

Searches for New Particles at LEP2A. Favara 155

Studies on JAP to WV+X(JI) and JAF to irV + X(K*K) DecaysJ.T.He 161

Chaos and Stability of Voxtex Solution in Abelian-Higgs TheoryT. Kawabe 163

The spin and flavour content of the nucleonB. Q.Ma 166

Self-affinity of multiplicity fluctuation in the phase space of multiproductionY.F.Wu 168

Resonant Scattering of Uhrahigh-Energy Neutrons in the SU^OSU^tgiUO^ModelHoang Ngoc Long 170

SU(3)C®SU(3)L®U(1)N Models and Experimental ProspectsHoang Ngoc Long 172

The Absorption Contributions of the Z-PenguinS.P. Chia 174

An Experimental Study of Primary Cosmic Ray Composition over the Energy Region, ~ 3 x 10B

- 3 x 10 16eV, Using Very Large Area Muon Detector at OOTY at Southern IndiaN.Ito , 176

Cosmic Rays and Rare Signals at Great Depth UndergroundN.Ito 178

Large Hadron Collider and Its Physics PotentialS.J. Qian 180

The high precision X-Ray tomography quality control of the ATLAS MDT muon spectrometerF.Rohrbach 183

Session 3. Accelerator Physics

The Japan Hadron Facility AcceleratorY. Yamazaki 189

The RHIC Project — Physical ChallengesJ. Wei 199

Beijing Radiative Nuclear Beam Facility(BRNBF)XL. Guan 206

Plans for Shanghai Synchrotron Radiation FacilityL.M. Chen 208

Experimental Results on Fast Beam-Ion InstabilityY.H. Chin 211

The accelerator physics activities in TaiwanI. C.Hsu 217

The experimental study on photoelectron instability in BEPCC. Zhang 220

Research to the design of a negative momentum compaction factor(Op<0) lattice forTau-Charm Factory

J. Q. Wang 226

Session 4. Atomic & Molecular Physics

Atomic Physics Issues of the High Intensity Ni-Like Nd X-Ray Laser at 7.9nmH.Daido 229

Casimir Effect on Transition Rate in Hydrogen Atomll.T. Cheon 233

Single molecule flurescence detection in fluid solutionW.Y.Ma 235

Theory of nonadiabatic transition and reaction dynamicsH. Nakamura 237

Predissociation of the 33 Fig and 43Z* States of Na^

Y.M.Liu 243A Pulsed Perturbation Facilitated Optical Optical Double Resonance Spectroscopy(PFOODR) Study of the High-Lying Electronic States of Na2

J.Li 249An Ion Detected-Optical Optical Double Resonance (ID-OODR) Study on CaCl Predissociated

Rydberg StatesJLi 251

Incident wave function and cross section in A-B scatteringC.F.Li 253

Multi-Electron Capture and Transfer in Ar8+ on Ar CollisionsX. W.Ma 255

Non-hydrogenic atoms in crossed fieldsM. S. Zhan 257

Electron-photon coincidence parameters in e"-H Scattering at energies lying betweenthe n=3 and n=4 thresholds

W. C. Fon 263Spectra of Lithium Resonance States

B. C. Gou 265

Session 5. Plasma Physics

Excitation of Ku band emission from a plasma filled BWOK.P. Maheshwari 267

Dependence of BWO excitation on axial magnetic fieldK.P. Maheshwari 269

Kinetic Alfven Waves multicomponent plasma subjected to low-frequency wavesX.Y. Wang 271

Improved Confinement with Molecular Beam Injection in HL-1M TokamakL.H. Yao 273

Preparation of CuO/Al2O3 Powders by Ultrasonic Spray Pyrolysis in High-FrequencyThermal Plasma

Z.F. Tang 275Plasma Heat Flow through Plasma Sheaths with Electron Emission and PlasmaPotential Variation Across Magnetic Field

M.Y.Ye 278

Session 6. Nuclear physics

Condensates in QCDW. Y. Pauchy Hwang 280

Mossbauer Spectroscopy in ChinaY.F.Xia 288

A new detector measure ionization distribution in tissue-equivalent gasB. R. Dang 294

Research of Modification of Biomolecules with Heavy Ion BeamX.C.Cai :296

A static description of nuclear multifragmentationF.S. Zhang 298

Nuclear Structure of Exotic Nuclei at High Angular MomentaS.B.Patel 301

Energy Depletion and J/\y Suppression in p-A and A-A Collisions

W. Q.Zhao 303Superdeformed triaxial bands in rare earth region

C.X. Yang 306Study of high spin states in A-130 transitional nuclei

XF.Sun 312Energy Loss in Nuclear Drell-Yan Process

G.LLi 318Induced Psudoscalar Coupling Constant

Il-TongCheon 325Appropriate Fractional Variable, Nuclear Isospin Symmetry and Sea Quark Flavor Asymmetry

G.J.Hu 328Some Theoretical Problems of Superdeformed Rotational Bands

J. Y. Zeng 332Theoretical comments on spin assignments for Yrast bands of 1S6Tb, X5iHo and i66Lu

R. R. Zheng 338

Session 7. Optics

Fabrication and multitechnique study of yellow silicon-based like-fibersP.KKhoi 343

Optical Modulation Characteristics in ZnS/ZnSe Stratified Grating Wave. FilterD.L.liu 345

Coherence of soft x-ray at NSRLS. G. Yang 348

Design and experiment of diffractive phase elements that implement several optical functionsB. Z.Dong 350

Nonlinear optical origins for PbO, TiO2, K2O and SiO2 optical glassesX.H.Zhu : 352

The propagation properties of Gaussian beam passed through the nonlinear opticalmedium-BR film

XLXia 357Applications of near-field optics in condensed matter physics: Laser induced forceinteraction in the near-field region and near-field spectroscopy of GaN blue diode

XZhu 359Photorefractive and Electro-optic Properties of Low Tg Polymeric Composite Dopedwith Different Electro-optic Chromophores

Q.H. Gong : 361Decay-rate via Green's function

RMatloob 363Application of Optical Coherence Method for Static Structural and Doppler Biomedical Imaging

X.J. Wang 365Optical Properties and Photonic Band Effect in Ordered Dielectric Particle (LATEX) Layers

R. Shimada 367Femtosecond Investigation of Charge Carrier Dynamics in Semiconductor Nanocrystallites Films

Y.H.Zou 369

Session 8. Physics-Ge

Duality in Landau-Zener-Stueckelberg potential curve crossingK Fujikawa 371

Collapses and revivals in two interacting Bose-Einstein condensatesL.M.Kuang 378

Initial Order Mixing in the Short-Time Critical RelaxationZB.Li 380

The Investigation of aggregation - annihilation with many speciesL. G.Zhang 384

Transition from temporal chaos to spatio-temporal turbulence through crisis of heteroclinictangency

KF.He 386Nonequilibrium dynamical systems with two absorbing states

HPark 391Kinematic-dynamo fields in chaotic beltrami flows: Local analysis and integral constraints

D.M. Yao 393On a class of multifractional brownian motion

S. C.Lim 398Collapse of the Bose-Eisntein Condensate Under Magnetic Trap

M. Wadati 400Observing Quantum Tunneling in Perturbation Series

H.Suzuki 406Rabi oscillations of multiband superlattices in dc-ac electric fields

X. G.Zhao 411The Flat and Expanding Universe: Exaggeration or Reality

/. P.Neupane 413New gauge model of QED and phase transitions

SzeKuiNg 416

Session 9. Appled physics

Effects of Sb2O3 on the properties of high energy ZnO varistorG.H.Huang 418

The influence of the grain length distribution on the decrease of oriented si-steel core lossby laser scribing

X.H. Chen 420Investigation of the Melting Temperature of Metal at Various Pressures

Vu Van Hung 422A new laser approach to optimizing domain distribution of grain oriented silicon steel

F.J.Sun 424Quasistatic and Dynamic I-V Relations of GaAs/ALAs Superlattice Vertical Transport

LXHe 426Effects of Polymer Network with Application of an Electric Field On the Electric-OpticCharacteristics of Ferroelectric Liquid Crystal Devices

J.J.Li 428

Electron transport through a mesoscopic ring with a quantum dotJ. Wu 431

Poster:

Quasinormal modes in cavity QEDKC.Ho,P.T.Leung,and K.Toung 433

Photo induced discharge characteristics of II-VI compound ZnTd.xSexThin FilmChoi Kuy-Whang and Kim in Ho 435

On the diffusion in linear disordered systems with the uniform distribution of energy bothfor the site and for the saddle points

Pham Khac Hung ,Pham Ngoc Nguyen and To Ba Van 437Cavity structure in amorphous CoxPi_x models

Pham Khac Hung, To Ba Van,Vo Van HoangPham Ngoc Nguyen 439Investigation of Thermodynamic properties of binary A-B alloys by the moment method

Vu Van Hung and Nguyen KhacNhap 440A simple method to measure the Junction Field Effect Transistor (JFET) noise

Ngo Duong Sinh, Dao Tran CaoandLe QuangHuy 442Metal Ligands and Raman Spectra of Metallo-Phtha Phthalocyanines

V.T.Bich, LQ.Minh and P.V.Huong 444Single ultrashort pulse production by nonlinear resonant processes in days

Le Hoang Hai, Hoang Huu Hoa, VuNhu Cuong, Y.H.Meyer, and Nguyen Dai Hung ... .446Converting nanosecond laser pulses into GW power 500-fs tunable dye lasre pulses

Pham Long, Benoit Soep,T.Imasaka,Nguyen Dai Hung 448Dye mixtures for picosecond Spectro-Temporal Selection dye Lasers

Pham Long, J.Matsumoto,Nguyen Dai Hung 450The simple model for the interface exciton in a strong magnetic length

Nguyen Ai VietandNgo Van Thanh 452Stability of hysteresis curves in single-mode ring laser with saturable absorber

Phung Quoc Bao and Dinh Van Hoang 455Dynamical Screening in Photoexcited Quantum-Well Wires

D.B. Tran Thoai andHuyThienCao 457Investigation of the Optical Properties of two-dimensional Perovskite Oxides Doped with Eu3+ ions

Pham Thi Minh Chau,Chul Hyun Yo, Tram Kim Anh and Charles Barthou 459On the Diffusion Theory of Vacncies in Anharmonic Crystals

Vu Van Hung and Hoang Van Tich 461Structure and properties of the YBa2Cu3-xVxO7+y

LV.Hong, N.T.Hoa Hong, P.V.Phuc and N.H.Dan 463Synthesis and magnetic properties of Y3Fe29-xCrx compounds

NHLuong, P.H.Quang, DTK, Anh and NT. Hien 465Optical Properties of Imaging Materials Doped Eu and Sm

Tran Kim Anh, Pham Thu Nga,Pham Thi Minh Chau,Le Quoc Minh,Pham Ngoc Thanh, Charles Barthou 467

Thermal quenching of photoluminescence intensity of erbium-implanted siliconD. TXuan Thao, Gregorkiewicz, C.A.J. Ammerlaan andP.H.Khoi 469

Spectroscopic investigation in the Eu-doped strontium fluorovanadate

Pham ThuNga, B.Piriou, Tran Kim Anh, Le Ngoc Chung 471Thermal quenching of photoluminescence intensity of erbium-implanted silicon

D.TXuan Thao, T.Gregorliewicz, C.A.J.Ammerlaan andP.H.Khoi , . 473Influence of Nb component on the growth kinetics of magnetic crystallites inFe76 5-xCuiNbxSii3.5B9 alloy

N.H.Dan, NX. Phuc, N.Q.ThangandN.H. Nghi 479Current noise in HTC Granular superconfuctors

V.popescu, PManca, A.Stepanescu 481Ionization probability in the charge transfer collision of H* with Fe and Cu

M.A.Bolorizadeh, M.B.Shah,J.Geddes,andH.B.Gilbody 484Electron capture cross sections for Is-Is and ls-2s states in collision of H* with He

M.A.Bolorizadeh,E.Ghanbari Adivi andH.Soleimani 485Investigation of Proton-Proton Bremsstrahlung

EulJaeYiandll-TongCheon 486Two-mode two-photon spectra in microwave and optical region

M.M.Ashraf and Athar Naeem 488Three energy group steady-state solutions of neutron diffusion equation

Athar Naeem andM.M. Ashraf 490Focusing of sheet electron beam with diffiused edges

Jayashree Panicker, Uttam Sharma, Yaduvendra Choyal and K.P. Maheshwari 492The high-precision X-pay tomograph for quality control of the ATLAS MDT muon spectrometer

D. Drakoulakos, E. Gschwendtner, J. -MMaugain, F. Rohrbach, and Y. Sedykh 494Spectral dynamics of low-Q short cavity dye lasers for generating of spectrally adjustablepicosecond laser pulses using a nanosecond laser pumping

Nguyen Dai Hung, Dinh van Trung, J.Matsumoto, Nguy Huu Tarn 499Solutions of the Wadati-Segur-Ablowitz (WSA) Equation

C.G.R. The, W.K.Koo, andB.S.Lee 501Electrical properties of lead selenide thin films for selective surface applications

M.S.AH, M.RTalukder and KA.Khan 503Electrical properties of MnO2 thin films for selective surface applications

A.K. Mallick and KA.Khan 504Spin Tunneling and the macroscopic quantum effect of magnetization

Yunbo Zhang, Fu-ChoPu, Jiuqing Liang 506Energy Deposition inside Cell Nucleus Single Heavy Ions

T.Huang, Z.Q.Wei, Q.Li, G.W.Han, B.RDang, W.Q.Chen,G.M.Zhou,HM.Xie, W.J.Li 508

DNA double-strand breaks induced by y-raysGM.Zhou, ZQ.Wei, W.J.Li, J.F.Wang, Q.Li, J.He, W.Q.Chen, Q.XGao 509

Effective control of the edge turbulence in the magnetically confined plasma on KT-5C tokamakZhai Kan, WangChao, Yu Wen, GaoHui, Wang Gui-ding, Xu Yu-hong, Wen Yi-zhi,Yu Chang-xuan, Wan Shu-de, Liu Wan-dong, Zhuan Ge, Wang Chen 510

Initial Operation of CIAE Medically Used CyclotronMingwu Fan andTianjue Zhang 513

In situ, Scanning Tunneling Microscope studies of InAs/GaAs Self-Organized Quantum DotsZhao Qian, Feng Songlin, Wang Zhiming 515

General cylindrical surface solution for the Helfrich variational problem

Zhang Shao-guang and Ou-Yang Zhong-can 517Ordering and Phase Diagrams of Semiconductor Chalcopyrite-Zincblende Alloys

JunNi and Binglin Gu and Shuichi Iwata 523I-V asymmetry improvement of MIM devices utilizing anodic Ta2O5 as insulatorlayer formed in NH3»H2O solution

Y.Zhu, Y.Wu, KMa and X.Huang 525Nonlinear Optical Properties in ZnCdSe-ZnSe MQWs

S.M.Wang, J.Ma, G.Y.Yu, D.Z.Shen, X.Z.Tan 527Investigating of waveguide grating covered with nonlinear polymer thin film

ShaojieMa, Jie Zheng, Shumei Wang, MaiXu, YushanLi 531A New Idea of the Relativistic Quantum Mechanics

Shi-HaoChen 533Vibrational properties of sodium microclusters

Feng-Shou Zhang 535Status report of HIRFL and its upgrading project HIRFEL-CSR

J-W.Xia, W.Gu, W.-L.Zhan, Y.-F. Wang and B.-W.Wei 538Effects of low-energy heavy ion irradiation on human sperm spontaneous chemiluminescence,motility, acrosome reaction and viability in vitro

H.Zhang, Y.M.Gao, R. L. Zheng Z.Q.Wei, W.J.Li,Q.Li, B.RDang, W.Q.Chen,HM.Xie,S.M. Zhang, J.He and T.Huang 540

The deformation of quark-lepton and spinor spaceJiao Shangqing, Jiang Guangzuo, YangBenli, Hu Zuowen 541

Polaron Ground State in Asymmetric Double HeterostructureJiang Guangzuo, Wen Chengzhong, YangBenli, Hu Zuowen 543

Preliminary Analysis of the Magnetic Island Coalescence near X-type Neutral PointShujuan Wang, Shanqing Jiao, Benli Yang, Jinwei Zhang 545

The influence of Annealing Atmosphere on the Structures and Photocatalytic Propertiesof Ag-doped TiO2 Thin Film

Fu Xiaorong, Wu guangmingXhai Ying Song Shigeng 547Anomalous low temperature magnetic behavior of oxygen-doped Sm2Cu04+8

Y.FXiong, D.Jin, Y.S.Yao.F.Wu, Z.X.Zhao 549Resonant transition of the Neel vector in antiferromagnetic system without Kramers' degeneracy

Rong Lu, Jia-Lin Zhu, Xi Chen and Lee Chang 551Quantitative Microanalysis of Cu with Resonant Laser Ablation

LJin, S.T.Dai,C.Y.Bao, RT.An, W.Lu,L.L.Tai and D.Y.Cheng 553Investigation on characteristics of SnO2 Thin Films by PECVD

Liu Pengyi, Chen Junfang 555Gaussian-to-uniform beam conversion in the fractional Fourier transform domain

Yan Zhang and Bi-Zhen Dong 559Generation of pseudo-nondiffracting beams with diffractive phase elements

Rong Liu, Ben-Yuan Gu, Bi-Zhen Dong, and Guo-Zhen Yang 560Near field optics: Modified self-consistent appraoach

Zhi-Yuan Li, Ben-Yuan Gu, and Guo-Zhen Yang 561The experimental method for electro-mechanical character anaysis of the utrasonic generator

Sun Jie and Shi M-F 562Spin-wave theory of ferromagnetic-antiferromagnetic superlattice

Wei Jiang, Guo-Zhu Wei.AnDu 564Ground state structure of metallic hydrogen

Zhu Zaiwan and Li Junjie 566Spin polarized tunneling in the ferromagnetic tunnel junctions with single and doublebarriers subjected to an electric field

Xiangdong Zhang, Bo-ZangLi, Gang Sun andFu-CHo Pu 568Experimental Investigation of Plasma Opening Erosion Switch

F.J.Sun, J.T.Zeng A.C.Oiu, RXu, X.H. Wang, H. Wan 570Morphological transition of randomlike deposition growth

Xiaobin Zhu and Wei Wang 572The structure of induced electrorheological solid

HepingZhao, ZhengyouLiu, Youyan.Liu, Jiarui Shen 573Noise Characterization of Direct Current SQUIDs with Quasiplanar YBa2Cu307.6 JosephsonJunctions

H.-H. Zhong, J.-Q. Huang, Z.-F. Tang, Y.-YXiong, X.-S.Li and S.-Q. Yang 575Lasing without inversion in photonic crystal

Lu-BiDeng 578Two-polariton radiation spectrum of atom in photonic crystal

Lu-BiDeng 579Effect of Weak Localization of Normal State Electrons on the Anomalous ResistancePeak in ID Superconducting Wire at T<TC

Xueqiang Zhang, Yusheng, YunLiu andZhengxiang Gao 580Structural phase transition and grain growth of nanocrystals

Xisheng Ye, JianSha, Zhengkuan Jiao 582Digital reconstruction of in-line hologram

S-G Yang, X-SXie, C-ZJia, Y-FZhao 584Calculation on EMC Effect of Deep-Inelastic Scattering of Neutrino-Nucleus and ItsDifferential Cross-Section Ratio

Jiang Guo and QiKai Lan 586Growth of oriented YBa2Cu307.8 thin films on a low rfloss substrate

Y.Sun, B.Dam, D.G.De Groot, J.Rector, andRGriessen 588Spin-Hamiltonian parameters and spectral fine structure of Cu3+and Ni2+ ions in A12O3 Crystals

Li Ling and Yu Wan-Lun 590Substitution site of Ni2+ impurity in LiNbO3

T.R Zhang, L.Li and W.L.Yu 592A theoretical model for interchain coupled organic ferromagnets with extended Hubbard interaction

W.ZWang, KLYao, H.Q.Lin 594Room Temperature Magnetic Susceptibility of Oxalic Acid-doped Polyaniline

F.Elmaghor, AElamin, DM.Kong ZL.Liu and KLYao 596Electrical Conductivity and Magnetic Susceptibility of chemically synthesized HCI-dopedPolyaniline

A.M.Elamin, F.A.Elmaghor,Z.L.Liu and KLYao 597Studies on microstructures and doping effect on WO3 nonlinearity

Zak. Aburas, Y.wang, Z.LLiu and KLYao 598Binging energies of a hydrogenic impurity state in a finite quantum well

F.Q.Zhao, S.Na, G.S.Te 599

The effects of interface and bulk phonons on a polaron in a quantum wellF.Q.Zhao, XXLiang andS.L.Ban 601

The study of enhancing weigert effectShiying Su and Fengjiu Sun 603

Integrated acousto-optic heterodyne deviceD.W.He, W.Zhao, Y.F.Li, C.JXu, J.Q.Fan 605

ZnS:Mn nanoparticles dispersed within PVB polymer matrix-processing and optical characteristicsLi Dan, SunLingdong, DouKai, Liu Junye, YuJiaqi 607

Blue upconversion emission from Tm3+ ion doped into glass ceramics under infraredlight(l .06|i m) excitation

Wu Xu, Shihua HuangXianggui Kong, Weiping Qin.Baojiu Chen, Junye Liu,Dan Li and Shaozhe Lu 609

EPR study on glasses with dispersed ZnS: Mn2+ nanocrystallitesJunye Liu, Chunxu LiuXuyi Zhao, Dan Li WuXu, Jiaqi Yu 612

Surface Morphology and magnetism of LaBaMnO thin filmB.HHou, Q.LXu,C.HShang, L.Xu,Y.Zhang,Y.J.Wang 615

A Micrograph of Cu and Cu AlloySC.Peng 617

Magnetic properties of Pr2Con.xMx(M=Ga, Si) CompoundsShao-ying Zhang, Bao-gen Shen, Run-wei Li, Bing Liang, Hong-wei Zhang, Zhao-huaCheng, Fang-wei Wang, Wen-shanZhan 620

Spin Gap and Antiferromagnetic Correlations in CeNiSnYumin Hou, Duo Jin, Fuming Yang, Qize Ran, Yupeng Wang, Yusheng He andZhao Jia Chen 621

List of Participants 623