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Neutron interferometry in India 中子干涉测量在印度
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90145-3
V.C. Rakhecha, A.G. Wagh, B.A. Dasannacharya
{"title":"Neutron interferometry in India","authors":"V.C. Rakhecha,&nbsp;A.G. Wagh,&nbsp;B.A. Dasannacharya","doi":"10.1016/0378-4363(88)90145-3","DOIUrl":"10.1016/0378-4363(88)90145-3","url":null,"abstract":"<div><p>A spectrometer for carrying out perfect crystal diffractometry and neutron interferometry is proposed to be set up at the new 100 MW research reactor Dhruva, as part of a programme to expand and upgrade neutron beam based research activities at the Bhabha Atomic Research Centre (BARC). At present a facility has been set up at the CIRUS reactor where interference oscillations have been recorded using a symmetric LLL silicon interferometer. The setup at CIRUS will serve as a test bed for development of interferometry in BARC.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 57-62"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90145-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72429527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Electron holography of atomic structures — Prospect and limitations 原子结构的电子全息照相。前景与局限
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90169-6
Hannes Lichte
{"title":"Electron holography of atomic structures — Prospect and limitations","authors":"Hannes Lichte","doi":"10.1016/0378-4363(88)90169-6","DOIUrl":"10.1016/0378-4363(88)90169-6","url":null,"abstract":"<div><p>40 years after Gabor's proposal of electron holography, electron image plane off-axis holography using the Möllenstedt type electron biprism is able to investigate the electron object wave by its amplitude and phase at atomic dimensions.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 214-222"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90169-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81711303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Some remarks on the quantum mechanics of the electron 关于电子量子力学的几点评述
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90167-2
Gottfried Möllenstedt
{"title":"Some remarks on the quantum mechanics of the electron","authors":"Gottfried Möllenstedt","doi":"10.1016/0378-4363(88)90167-2","DOIUrl":"10.1016/0378-4363(88)90167-2","url":null,"abstract":"<div><p>For didactic as well as historical reasons it does not make much sense for about thirty years to speak of the diffraction of electron waves by microscopic slits as an “imaginary experiment”.</p><p>The coherence length of electron waves has been measured by the phase shift of a coherent partial electron wave propagating through a metallic micro-tube to which an electric potential is applied.</p><p>The statement by H. Hora that the phase shift of electron waves due to the magnetic vector potential depends on electron velocity is not supported by experiments.</p><p>There is no principal upper limit for the electron-optical path length difference due to an enclosed magnetic flux.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 201-205"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90167-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80863708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A neutron optical imaging system for the determination of an upper limit of the neutron charge 测定中子电荷上限的一种中子光学成像系统
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90156-8
J. Baumann, J. Kalus, R. Gähler, W. Mampe, B. Alefeld
{"title":"A neutron optical imaging system for the determination of an upper limit of the neutron charge","authors":"J. Baumann,&nbsp;J. Kalus,&nbsp;R. Gähler,&nbsp;W. Mampe,&nbsp;B. Alefeld","doi":"10.1016/0378-4363(88)90156-8","DOIUrl":"10.1016/0378-4363(88)90156-8","url":null,"abstract":"<div><p>An achromatic imaging instrument for neutrons of wavelengths larger than 1.2 nm is described. The measured resolution of 28.5 μm is not too far away from the ultimate limit of 6 μm calculated by wave mechanics.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 130-134"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90156-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89089731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Polarized neutron interferometry: A survey 偏振中子干涉测量:综述
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90149-0
G. Badurek, H. Rauch, J. Summhammer
{"title":"Polarized neutron interferometry: A survey","authors":"G. Badurek,&nbsp;H. Rauch,&nbsp;J. Summhammer","doi":"10.1016/0378-4363(88)90149-0","DOIUrl":"https://doi.org/10.1016/0378-4363(88)90149-0","url":null,"abstract":"<div><p>A brief summarizing review is given of all those neutron interferometric experiments performed hitherto which explicitly use the spin-<span><math><mtext>1</mtext><mtext>2</mtext></math></span> particle properties of the neutron. It covers topics as the verification of the 4π-periodicity of spinors, the cooperative action of nuclear phase shift and spin-rotation on the neutron wave function, the demonstration of the quantum mechanical principles of fermion spin-state superposition and the more recent double resonance experiments where the two interfering beams propagate through spatially separated oscillatory magnetic fields. Finally a proposal will be presented also for a so-called “late-choice” experiment with polarized neutrons.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 82-92"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90149-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91756560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
Neutron interferometry investigation of the Aharonov-Casher effect 中子干涉法研究Aharonov-Casher效应
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90147-7
H. Kaiser, M. Arif, R. Berliner, R. Clothier, S.A. Werner, A. Cimmino, A.G. Klein, G.I. Opat
{"title":"Neutron interferometry investigation of the Aharonov-Casher effect","authors":"H. Kaiser,&nbsp;M. Arif,&nbsp;R. Berliner,&nbsp;R. Clothier,&nbsp;S.A. Werner,&nbsp;A. Cimmino,&nbsp;A.G. Klein,&nbsp;G.I. Opat","doi":"10.1016/0378-4363(88)90147-7","DOIUrl":"10.1016/0378-4363(88)90147-7","url":null,"abstract":"<div><p>This paper describes our progress on a neutron interferometry search for the Aharonov-Casher (A-C) effect. Unpolarized neutrons are passed through a 40 kV/mm vacuum electrode system. The spin-dependent phase is set to maximum sensitivity with a magnetic field, and the spin-independent phase is adjusted to zero (modulo 2π) using the Earth's gravitational field. Upon reversal of the electric field, the predicted A-C phase shift is 0.2°. Currently, our results are statistically limited.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 68-73"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90147-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75072980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Early neutron optics in Munich and in Grenoble 慕尼黑和格勒诺布尔的早期中子光学
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90139-8
H. Maier-Leibnitz
{"title":"Early neutron optics in Munich and in Grenoble","authors":"H. Maier-Leibnitz","doi":"10.1016/0378-4363(88)90139-8","DOIUrl":"https://doi.org/10.1016/0378-4363(88)90139-8","url":null,"abstract":"<div><p>The methods we will describe are somewhat related to classical optics. They have been used at the research reactor in Munich and later at the Institute Laue-Langevin in Grenoble, helping to improve research in neutron scattering and in nuclear physics using neutrons.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 3-6"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90139-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91721016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Laser experiments with single atoms and the test of basic physics 单原子激光实验与基础物理测试
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90174-X
F. Diedrich , J. Krause , G. Rempe , M.O. Scully , H. Walther
{"title":"Laser experiments with single atoms and the test of basic physics","authors":"F. Diedrich ,&nbsp;J. Krause ,&nbsp;G. Rempe ,&nbsp;M.O. Scully ,&nbsp;H. Walther","doi":"10.1016/0378-4363(88)90174-X","DOIUrl":"10.1016/0378-4363(88)90174-X","url":null,"abstract":"<div><p>The interaction of a single Rydberg atom with a single mode of the electromagnetic field and the resonance fluorescence of a single atomic ion stored in radio-frequency trap were investigated. In the former experiment, the quantum collapse and revival of the atomic inversion predicted by the Jaynes-Cummings model could be demonstrated for the first time. In the latter experiment, antibunching and sub-Poissonian photon statistics were detected in the fluorescent light. Furthermore the observation of the crystallization of few ions in a trap is described. Since the stored ions can be cooled by the laser light and heated by the radio frequency field of the trap, subsequent phase transitions could be observed.</p></div>","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 247-254"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90174-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88024111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Analytic subject index 分析主题索引
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90206-9
{"title":"Analytic subject index","authors":"","doi":"10.1016/0378-4363(88)90206-9","DOIUrl":"https://doi.org/10.1016/0378-4363(88)90206-9","url":null,"abstract":"","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Page 400"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90206-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136885851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Some epistemological aspects of the quantum measurement problem 量子测量问题的一些认识论方面
Physica B+C Pub Date : 1988-07-01 Epub Date: 2002-10-09 DOI: 10.1016/0378-4363(88)90200-8
Mikio Namiki
{"title":"Some epistemological aspects of the quantum measurement problem","authors":"Mikio Namiki","doi":"10.1016/0378-4363(88)90200-8","DOIUrl":"10.1016/0378-4363(88)90200-8","url":null,"abstract":"","PeriodicalId":101023,"journal":{"name":"Physica B+C","volume":"151 1","pages":"Pages 381-383"},"PeriodicalIF":0.0,"publicationDate":"1988-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4363(88)90200-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77355067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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