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Vol. 51, No. 2 (2002)

2002-01-20
GENERAL
Jia Yan-Wei, Liu Quan-Hui, Wang Xin, Shen Kang-Cun, Peng Jie-Hua
2002, 51 (2): 201-204. doi: 10.7498/aps.51.201
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Explicitcalculationshowsthatthezeroorderofquantummechanicalmatrixelementsofhydrogenatom’sinverseradiusinthequasi classicalcaseareHeisenbergmatrixelements,andthefirst ordertermplaysarolewhenthedifferencebetweentheprincipalquantumnumbersislarge .Intheclassicallimit,quantummechanicalresultsareidenticaltoHeisenbergones
Yang Hong-Jun, Hu San-Jue, Xie Yong, Xu Jian-Xue
2002, 51 (2): 205-214. doi: 10.7498/aps.51.205
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Xue Yu, Chen Guang-Zhi, Liao Bo
2002, 51 (2): 215-219. doi: 10.7498/aps.51.215
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Shao Yun, Guo Guan-Jun
2002, 51 (2): 228-234. doi: 10.7498/aps.51.228
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Thesurfaceroughnessdependenceoftheopticalfieldatuocorrelationfunctionandtheintensityautocorrelationfunctionofthespecklepattern ,producedinthefarfieldundertheilluminationofaGaussianbeam ,hasbeentheoreticallyinvestigatedwiththeassumptionthattheirregularitiesofthetargetsurfacesarelargerthanthelaserwavelength.Analyticalexpressionsforthefirst andsecond ordermomentsoftheintensityhavebeenderived,andthesizeofthespecklecellhasbeencomputed.Theanalysisindicatesthatthemeanintensityofthespecklepatternsiscloselyrelatedtotheratioofthelateralcorrelationlengthtothesurfaceroot mean squareheightofthesurface.Whereasthesizeofthespecklecellandthecorrelationdegreeofthespeckleintensitiesareshowntobeindependentoftheparameterscharacterizingtheroughnessofasurface,andonlydeterminedbythela serbeamwaist.
ATOMIC AND MOLECULAR PHYSICS
CLASSICAL AREA OF PHENOMENOLOGY
Lu Bai-Da, Wang Xi-Qing
2002, 51 (2): 247-252. doi: 10.7498/aps.51.247
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Pan Bai-Liang, Yao Zhi-Xin, Chen Gang, Fang Ben-Min
2002, 51 (2): 259-261. doi: 10.7498/aps.51.259
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You Yun-Xiang, Miu Guo-Peng
2002, 51 (2): 270-278. doi: 10.7498/aps.51.270
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PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES
2002, 51 (2): 286-290. doi: 10.7498/aps.51.286
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Gong Ji-Quan, Gong Ye, Liu Jin-Yuan, Zhang Peng-Yun
2002, 51 (2): 291-295. doi: 10.7498/aps.51.291
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CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES
Zhang Yong-Peng, Yan Long, Xie Si-Shen, Pang Shi-Jin, Gao Hong-Jun
2002, 51 (2): 296-299. doi: 10.7498/aps.51.296
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Guo Li-Jun, Zhu Fang-Qiu, Zhu Zhen-Gang
2002, 51 (2): 300-303. doi: 10.7498/aps.51.300
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2002, 51 (2): 310-314. doi: 10.7498/aps.51.310
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Feng Xi-Qi, Lin Qi-Sheng, Man Zhen-Yong, Liao Jin-Ying, Hu Guan-Qin
2002, 51 (2): 315-321. doi: 10.7498/aps.51.315
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Zhou Xiao-Feng, Tao Shu-Fen, Liu Zuo-Quan, Kan Jia-De, Li Hai-Yang
2002, 51 (2): 322-325. doi: 10.7498/aps.51.322
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Hao Zhi-Biao, Li He-Jun, Yan Gui-Shen
2002, 51 (2): 326-331. doi: 10.7498/aps.51.326
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Liang Ting, Xu Hui-Bin, CaiWei, ZhengYu Feng, Zhao Lian-Cheng, Gao Shu-Xia, Wang Wen-Hong, Liu Zhu-Hong, Chen Jing-Lan, Wu Guang-Heng
2002, 51 (2): 332-336. doi: 10.7498/aps.51.332
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WehavemeasuredthetransformationtemperatureofNi52 . 2 Mn2 3 . 8Ga2 4singlecrystallinesamplebyvariousmethods,suchasDSC ,magnetization ,acmagneticsusceptibility,dcresistance,andtransformationstrain .Comparingtheexperimentalresultsbetweeneachother,wefoundthat,duetothedifferentphysicalmechanism ,variousmeasuringmethodswillgivedifferentmar tensitictransformationtemperatures.Basedontheseobservations,wesuggestamulti steplatticedeformationforthetransforma tionofNiMnGa,whichissimilartotheG Trelation .ThewholeprocessoftransformationcanbeobservedbyDSCandR Tmea surements ,whilethemagneticmeasurementsisonlysensitivetotheformationofmartensiticlattices.Themeasurementontrans formationstrainisnotsoreliableforthetransformationtemperatureastheothermeasurements,butitreallyreflectsthesituationofthesub structures,suchastwinboundaries,variantsanddefectsinthematerial.
2002, 51 (2): 337-341. doi: 10.7498/aps.51.337
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2002, 51 (2): 342-346. doi: 10.7498/aps.51.342
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2002, 51 (2): 347-350. doi: 10.7498/aps.51.347
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2002, 51 (2): 351-354. doi: 10.7498/aps.51.351
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CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES
2002, 51 (2): 355-361. doi: 10.7498/aps.51.355
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2002, 51 (2): 362-366. doi: 10.7498/aps.51.362
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2002, 51 (2): 367-371. doi: 10.7498/aps.51.367
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2002, 51 (2): 372-376. doi: 10.7498/aps.51.372
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2002, 51 (2): 377-381. doi: 10.7498/aps.51.377
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2002, 51 (2): 382-388. doi: 10.7498/aps.51.382
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2002, 51 (2): 389-394. doi: 10.7498/aps.51.389
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2002, 51 (2): 395-398. doi: 10.7498/aps.51.395
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2002, 51 (2): 399-405. doi: 10.7498/aps.51.399
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2002, 51 (2): 406-409. doi: 10.7498/aps.51.406
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2002, 51 (2): 410-414. doi: 10.7498/aps.51.410
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2002, 51 (2): 415-419. doi: 10.7498/aps.51.415
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2002, 51 (2): 420-423. doi: 10.7498/aps.51.420
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2002, 51 (2): 424-429. doi: 10.7498/aps.51.424
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2002, 51 (2): 430-433. doi: 10.7498/aps.51.430
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2002, 51 (2): 434-438. doi: 10.7498/aps.51.434
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2002, 51 (2): 439-443. doi: 10.7498/aps.51.439
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2002, 51 (2): 444-448. doi: 10.7498/aps.51.444
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2002, 51 (2): 449-455. doi: 10.7498/aps.51.449
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GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS
2002, 51 (2): 456-460. doi: 10.7498/aps.51.456
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