Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90402-1
J. Foltin
{"title":"Direct expression for the current density in a strong magnetic field","authors":"J. Foltin","doi":"10.1016/0031-9163(66)90402-1","DOIUrl":"10.1016/0031-9163(66)90402-1","url":null,"abstract":"<div><p>A method is suggested for the direct computation of the current density in strong magnetic field. Some properties of the obtained expression are discussed.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 549-550"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90402-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91468380","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90395-7
F.J. Comes, U. Wenning
{"title":"Measurement of the photoelectric yield below 1000 Å","authors":"F.J. Comes, U. Wenning","doi":"10.1016/0031-9163(66)90395-7","DOIUrl":"10.1016/0031-9163(66)90395-7","url":null,"abstract":"<div><p>The photoelectric yield of nickel and gold is measured using the photoionization of atomic hydrogen.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 537-538"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90395-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88587321","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90383-0
V. Jaccarino , N. Kaplan , R.E. Walstedt, J.H. Wernick
{"title":"Field dependence of nuclear relaxation in ferromagnetic metals","authors":"V. Jaccarino , N. Kaplan , R.E. Walstedt, J.H. Wernick","doi":"10.1016/0031-9163(66)90383-0","DOIUrl":"10.1016/0031-9163(66)90383-0","url":null,"abstract":"<div><p>The nuclear spin-lattice relaxation rate 1/<em>T</em><sub>1</sub> of the <sup>59</sup>Co NMR in ferromagnetic Co monotonically decreases with increasing field, approaching a constant value for <em>H</em> > 4<em>φM</em>. The high field rate is in semi-quantitative agreement with previous theoretical calculations. Similar results are found for <sup>61</sup>Ni in Ni and <sup>55</sup>Mn for Mn impurities in Fe.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 514-515"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90383-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83094876","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90387-8
E. Müller-Hartmann
{"title":"λ-Transition at the lower critical field in type-II-superconductors ?","authors":"E. Müller-Hartmann","doi":"10.1016/0031-9163(66)90387-8","DOIUrl":"https://doi.org/10.1016/0031-9163(66)90387-8","url":null,"abstract":"","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"12 1","pages":"521-523"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87987429","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90392-1
R.W. Rollins , J. Silcox
{"title":"Surface instabilities in type II superconductors","authors":"R.W. Rollins , J. Silcox","doi":"10.1016/0031-9163(66)90392-1","DOIUrl":"10.1016/0031-9163(66)90392-1","url":null,"abstract":"<div><p>In response to a small low-frequency a.c. field superimposed upon a large d.c. field, small flux jumps are observed to occur only during the half cycle corresponding to flux flowing out of a type II superconductor when in the mixed state. An explanation is proposed based on the thermal effects of the flow, creation and annihilation of flux vortices.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 531-532"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90392-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88075660","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90396-9
A.K. Rajagopal , R. Vasudevan
{"title":"De Haas-Van Alphen oscillations in the critical temperature of type II superconductors","authors":"A.K. Rajagopal , R. Vasudevan","doi":"10.1016/0031-9163(66)90396-9","DOIUrl":"10.1016/0031-9163(66)90396-9","url":null,"abstract":"<div><p>An exact solution of the linearized gap equation when the quantization of electrons in a constant magnetic field is obtained. From this the previous calculation of the present authors is recovered and the De Haas-Van Alphen oscillations in the critical temperature of a type II superconductor is derived.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 539-540"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90396-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80611586","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90385-4
B. Giovannini, R. Paulson, J.R. Schrieffer
{"title":"Calculation of the effective moment of a localized spin","authors":"B. Giovannini, R. Paulson, J.R. Schrieffer","doi":"10.1016/0031-9163(66)90385-4","DOIUrl":"10.1016/0031-9163(66)90385-4","url":null,"abstract":"<div><p>The effective moment of a localized spin impurity in a metal is calculated to second order in perturbation theory for general values of the magnetic field.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 517-519"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90385-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91417796","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90384-2
J.H. Chen
{"title":"Electroreflectance spectrum of polycrystalline selenium","authors":"J.H. Chen","doi":"10.1016/0031-9163(66)90384-2","DOIUrl":"10.1016/0031-9163(66)90384-2","url":null,"abstract":"<div><p>The electroreflection spectrum of polycrystalline selenium in the range 1.5 – 4.1 eV is presented. Results are compared with published reflectivity data and energy band calculations.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 516-517"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90384-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73267265","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90394-5
J.R. Miller, P.P. Mahendroo
{"title":"Nuclear magnetic resonance studies of point defects in BaF2 crystals","authors":"J.R. Miller, P.P. Mahendroo","doi":"10.1016/0031-9163(66)90394-5","DOIUrl":"10.1016/0031-9163(66)90394-5","url":null,"abstract":"<div><p>The spin-lattice relaxation time <em>T</em><sub>1</sub> of <sup>19</sup>F in BaF<sub>2</sub> crystals has been measured from 300° to 1150°K.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 535-536"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90394-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78414517","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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90403-3
J. Luther, H. Walther
{"title":"Lifetimes of the 3d54s4p z6P52 and y6P52 levels of Mn","authors":"J. Luther, H. Walther","doi":"10.1016/0031-9163(66)90403-3","DOIUrl":"10.1016/0031-9163(66)90403-3","url":null,"abstract":"<div><p>The lifetimes of the 3d<sup>5</sup>4s4p z<sup>6</sup>P<span><math><mtext>5</mtext><mtext>2</mtext></math></span> and y<sup>6</sup>P<span><math><mtext>5</mtext><mtext>2</mtext></math></span> levels of manganese have been measured by the method of zero field level crossing (Hanle effect). The following preliminary results have been derived: <span><math><mtext>τ(</mtext><mtext>z</mtext><msup><mi></mi><mn>6</mn></msup><mtext>P</mtext><mtext>5</mtext><mtext>2</mtext><mtext>) = (0.60 ± 0.07) × 10</mtext><msup><mi></mi><mn>−7</mn></msup><mtext>sec</mtext></math></span> and <span><math><mtext>τ(</mtext><mtext>y</mtext><msup><mi></mi><mn>6</mn></msup><mtext>P</mtext><mtext>5</mtext><mtext>2</mtext><mtext> = (0.57 ± 0.12) × 10</mtext><msup><mi></mi><mn>−9</mn></msup><mtext>sec</mtext></math></span>.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 551-552"},"PeriodicalIF":0.0,"publicationDate":"1966-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90403-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74500888","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}
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