Physics LettersPub Date : 1966-12-12DOI: 10.1016/0031-9163(66)90212-5
P.R. Beaudet , A. Houghton
{"title":"Interaction of magneto-plasma waves in a two component solid state plasma","authors":"P.R. Beaudet , A. Houghton","doi":"10.1016/0031-9163(66)90212-5","DOIUrl":"10.1016/0031-9163(66)90212-5","url":null,"abstract":"<div><p>The selfsustained electromagnetic modes of compensated and uncompensated two component magneto-plasmas are studied using a local self consistent field theory which includes collisions. It is shown that in the case of an uncompensated plasma (a deficiency of the heavier particle) the two modified Alfvén modes of the system, one of which is helicon-like when <em>q</em> → 0, always interact and separate at finite angles of propagation to the d.c. magnetic field.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 658-660"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90212-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86399025","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}
{"title":"Correlation between optical and radio emission from extensive air showers at large zenith angles","authors":"B. McBreen , E.P. O'Mongain , N.A. Porter , P.J. Slevin","doi":"10.1016/0031-9163(66)90223-X","DOIUrl":"10.1016/0031-9163(66)90223-X","url":null,"abstract":"<div><p>Evidence has been found for correlation between optical and radio emission from extensive air showers at large zenith angles, using a Čerenkov optical detector and wide-band radio system.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 677-678"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90223-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80723221","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90211-3
R.N. Compton , L.G. Christophorou, R.H. Huebner
{"title":"Temporary negative ion resonances in benzene and benzene derivatives","authors":"R.N. Compton , L.G. Christophorou, R.H. Huebner","doi":"10.1016/0031-9163(66)90211-3","DOIUrl":"10.1016/0031-9163(66)90211-3","url":null,"abstract":"<div><p>New, intense, energy loss resonances below the first excitation potential were discovered in the electron impact excitation spectra of benzene and six of its derivatives. The observed resonances for o-C<sub>6</sub>H<sub>4</sub>CH<sub>3</sub>Cl, C<sub>6</sub>H<sub>5</sub>Cl, C<sub>6</sub>H<sub>5</sub>Br and o-<sub>6</sub>H<sub>4</sub>Cl<sub>2</sub> peak at exactly the same energy as the dissociative electron capture resonances previously reported for these compounds, suggesting that both resonances proceed via a common temporary negative ion state of the parent molecules.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 656-658"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90211-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83792567","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90188-0
L. Kramer
{"title":"Thermodynamical behaviour of type-II superconductors with small K near the lower critical field","authors":"L. Kramer","doi":"10.1016/0031-9163(66)90188-0","DOIUrl":"10.1016/0031-9163(66)90188-0","url":null,"abstract":"<div><p>The interaction between well-separated Abrikosov vortices is calculated for superconductors with <span>K</span> < √2. For <span>K</span> > 1/√2 a λ-transition takes place at <em>H</em><sub>c1</sub>, changing into a first order transition as <span>K</span> → 1/√2.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 619-620"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90188-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82041540","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90221-6
T. Gaskell , W. Jones , N.H. March
{"title":"Fermi hole and 3He structure factor","authors":"T. Gaskell , W. Jones , N.H. March","doi":"10.1016/0031-9163(66)90221-6","DOIUrl":"10.1016/0031-9163(66)90221-6","url":null,"abstract":"<div><p>It is proposed that accurate measurement of the structure factor <em>S(k)</em> in <sup>3</sup>He by X-rays can lead to an experimental test of some features associated with the sharpness of the Fermi surface. The modifications of the Fermi hole due to interactions and to thermal effects are briefly considered.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 673-675"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90221-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89917917","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90207-1
R. Klein
{"title":"Temperature and frequency dependence of hypersonic attenuation in insulating crystals","authors":"R. Klein","doi":"10.1016/0031-9163(66)90207-1","DOIUrl":"10.1016/0031-9163(66)90207-1","url":null,"abstract":"<div><p>Two effects are discussed which can explain the deviations of hypersonic attenuation, Γ, from Γ≈ω<em>T</em><sup>4</sup>.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 651-652"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90207-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85596383","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90201-0
S. Minomura , B. Okai , Y. Onoda , S. Tanuma
{"title":"Superconducting indium antimonide","authors":"S. Minomura , B. Okai , Y. Onoda , S. Tanuma","doi":"10.1016/0031-9163(66)90201-0","DOIUrl":"10.1016/0031-9163(66)90201-0","url":null,"abstract":"<div><p>The superconducting transition temperature in quenced metallic indium antimonide depends on the treating pressure and temperature. It increases from 1.6°K to 5.1°K with increasing pressure and decreasing temperature. It is associated with the density of states of electrons.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 641-642"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90201-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73438838","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90209-5
J. Philhours, G.L. Hall
{"title":"Order parameters for a spherical model of a ferromagnetic; connections to alloy theory","authors":"J. Philhours, G.L. Hall","doi":"10.1016/0031-9163(66)90209-5","DOIUrl":"10.1016/0031-9163(66)90209-5","url":null,"abstract":"<div><p>Exact linear equations are obtained that relate the order parameters of a spherical model with arbitrary interactions and arbitrary external field. These linear equations would seem to be a better approximation to the model of a binary alloy than some linear equations previously reported, since the latter are shown to result from making a suitable approximation on the spherical model.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 653-654"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90209-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73563707","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90224-1
H. Tanaca , M. Koganei , A. Hirose
{"title":"Drift instability in mercury-vapor discharges","authors":"H. Tanaca , M. Koganei , A. Hirose","doi":"10.1016/0031-9163(66)90224-1","DOIUrl":"10.1016/0031-9163(66)90224-1","url":null,"abstract":"<div><p>In the dispersion relation of ion waves, the dependence of the cut-off frequency on the electron drift velocity is examined and is explained by the drift instability in a Maxwellian plasma.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 679-680"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90224-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76251817","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 : 1966-12-12DOI: 10.1016/0031-9163(66)90213-7
E.R. Smith , N.E. Frankel
{"title":"Magnetization in ideal bose systems","authors":"E.R. Smith , N.E. Frankel","doi":"10.1016/0031-9163(66)90213-7","DOIUrl":"10.1016/0031-9163(66)90213-7","url":null,"abstract":"<div><p>The magnetization of a charged ideal “pair gas” is shown to resemble that of a superconducting ferromagnet.</p></div>","PeriodicalId":101027,"journal":{"name":"Physics Letters","volume":"23 11","pages":"Pages 660-661"},"PeriodicalIF":0.0,"publicationDate":"1966-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0031-9163(66)90213-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88227206","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}