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}
Physics LettersPub Date : 1966-11-28DOI: 10.1016/0031-9163(66)90401-X
J.E. Turner, K. Fox
{"title":"Minimum dipole moment required to bind an electron to a finite dipole","authors":"J.E. Turner, K. Fox","doi":"10.1016/0031-9163(66)90401-X","DOIUrl":"10.1016/0031-9163(66)90401-X","url":null,"abstract":"<div><p>The minimum dipole moment, <em>D</em><sub>min</sub> = 0.6393 <em>ea</em><sub>o</sub> = 1.625 × 10<sup>−18</sup> esu-cm, required for electronic binding to a dipole has been found, weaker dipoles having no negative energy states.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 547-549"},"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)90401-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89229682","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":"10.1016/0031-9163(66)90387-8","url":null,"abstract":"<div><p>Abrikosov's physically intuitive ansatz of superposing free flux lines in order to calculate the mixed state of type-II-superconductors at the lower critical field is shown to be mathematically exact for all κ ><span><math><mtext>1</mtext><mtext>2</mtext></math></span>√2 in the framework of Ginzburg-Landau-theory.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 521-523"},"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)90387-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120617475","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)90399-4
Shigeru Tamaki, Ichiro Shiota
{"title":"Heat of mixing in liquid alloys","authors":"Shigeru Tamaki, Ichiro Shiota","doi":"10.1016/0031-9163(66)90399-4","DOIUrl":"https://doi.org/10.1016/0031-9163(66)90399-4","url":null,"abstract":"<div><p>A calculation of the heat of mixing in liquid alkali alloys is presented. The two-body correlation function is used for the calculation. The theoretical value is satisfactorily comparable to the experimental one in the Na-K system.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 543-544"},"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)90399-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134653076","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)90398-2
K. Bethge, E. Heinicke, H. Baumann
{"title":"On the existence of negative beryllium and magnesium ions","authors":"K. Bethge, E. Heinicke, H. Baumann","doi":"10.1016/0031-9163(66)90398-2","DOIUrl":"10.1016/0031-9163(66)90398-2","url":null,"abstract":"<div><p>On extraction of negative ions from a metal vapour plasma of a Penning discharge, the existence of Be<sup>−</sup>, BeH<sup>−</sup>, Mg<sup>−</sup> and MgH<sup>−</sup> ions could be demonstrated. The currents produced were sufficient for an acceleration of these ions.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 542-543"},"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)90398-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74773652","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)90406-9
D.C. Lainé
{"title":"Observation of molecular ringing in a single cavity ammonia beam maser","authors":"D.C. Lainé","doi":"10.1016/0031-9163(66)90406-9","DOIUrl":"10.1016/0031-9163(66)90406-9","url":null,"abstract":"<div><p>The observation of molecular ringing in a single cavity ammonia beam maser is reported. The technique used is that of rapid passage of an exciting signal through the molecular emission line.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 557-558"},"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)90406-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78520371","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)90389-1
H.J. Van Daal, A.J. Bosman
{"title":"Influence of native defects on transport properties of Li-doped NiO","authors":"H.J. Van Daal, A.J. Bosman","doi":"10.1016/0031-9163(66)90389-1","DOIUrl":"10.1016/0031-9163(66)90389-1","url":null,"abstract":"<div><p>It is shown that contrary to the opinion given in a recent letter [1] the anomalous behaviour of the Hall coefficient for NiO at high temperatures cannot be interpreted in terms of native-defect structure.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 9","pages":"Pages 525-526"},"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)90389-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72577338","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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