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Gaussian propagators for the Ising spin glass below Tc 在Tc以下的Ising自旋玻璃的高斯传播子
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460220103700
C. Dominicis, I. Kondor
{"title":"Gaussian propagators for the Ising spin glass below Tc","authors":"C. Dominicis, I. Kondor","doi":"10.1051/JPHYSLET:0198500460220103700","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460220103700","url":null,"abstract":"As building blocks of a field theory to be constructed upon Parisi's mean field solution for an Ising spin glass, the complete set of the Gaussian propagators is given Calcul de l'ensemble complet de propagateurs gaussiens necessaires a la construction de la theorie des champs pour la solution de champ moyen de Parisi pour un verre de spin d'Ising","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"69 1","pages":"1037-1043"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86858569","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: 17
Transmission electron microscopy of semi-insulating Ga As deformed at room temperature and under confining pressure 室温和围压变形半绝缘砷化镓的透射电镜
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460210102300
A. Lefebvre, P. François, J. Persio
{"title":"Transmission electron microscopy of semi-insulating Ga As deformed at room temperature and under confining pressure","authors":"A. Lefebvre, P. François, J. Persio","doi":"10.1051/JPHYSLET:0198500460210102300","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460210102300","url":null,"abstract":"GaAs single crystals have been deformed by compression at room temperature under a confining pressure of 600 MPa. Two competitive mechanisms of plastic deformation are proposed. The first mechanism is supported by the observation of mobile perfect (or slightly dissociated) α dislocations. The second mechanism involves less mobile widely dissociated β (or screw) dislocations. It is suggested that the large dissociation of these dislocations is due to the lower mobility of the 30° (β) partials Deformation d'echantillons GaAs a temperature ambiante et sous une pression de confinement de 600 MPa et proposition de deux mecanismes de deformation plastique. Le premier s'appuie sur l'observation de dislocations α parfaites ou peu dissociees tres mobiles. Le second fait intervenir des dislocations β (ou vis) largement dissociees et moins mobiles. La dissociation de ces dissociations pourrait etre due a une mobilite plus faible des dislocations partielles 30° (β)","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"13 1","pages":"1023-1030"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85195831","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: 25
Homogeneous superconducting state at 8.1 K under ambient pressure in the organic conductor β-(BEDT-TTF)2I3 有机导体β-(BEDT-TTF)2I3在8.1 K环境压力下的均匀超导态
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460220107900
F. Creuzet, G. Creuzet, D. Jérome, D. Schweitzer, H. Keller
{"title":"Homogeneous superconducting state at 8.1 K under ambient pressure in the organic conductor β-(BEDT-TTF)2I3","authors":"F. Creuzet, G. Creuzet, D. Jérome, D. Schweitzer, H. Keller","doi":"10.1051/JPHYSLET:0198500460220107900","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460220107900","url":null,"abstract":"2014 Nous presentons la premiere observation d’une transition supraconductrice etroite et complete a 8.1 K dans 03B2-(BEDT-TTF)2I3 sous pression atmospherique. Ce resultat est obtenu apres l’application d’une pression hydrostatique en helium gazeux de 1.5 kbar et le relâchement de la pression a basse temperature. Nous apportons des evidences experimentales indiquant l’instabilite au-dessus de 250 K de l’etat metastable responsable a cette supraconduction homogene sous pression atmospherique.","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"5 1","pages":"1079-1085"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78454038","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: 64
Dispersion dans un écoulement de Stokes 在斯托克斯流中的分散
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:019850046021099100
C. Baudet, É. Guyon, Y. Pomeau
{"title":"Dispersion dans un écoulement de Stokes","authors":"C. Baudet, É. Guyon, Y. Pomeau","doi":"10.1051/JPHYSLET:019850046021099100","DOIUrl":"https://doi.org/10.1051/JPHYSLET:019850046021099100","url":null,"abstract":"We approach the geometric dispersion effects in a granular porous medium at large Peclet numbers by first considering the distribution of residence times around a single sphere in a uniform applied velocity field U. We get a logarithmic singularity of the dispersion in U Log U which is due to the slow flow near the stagnation points of the flow field. This feature is independent of the flow structure at large distances from the stagnation points. Thus the result can be applied to a random dilute array of spheres (fixed bed) On decrit des effets singuliers de la dispersion geometrique dans un milieu poreux granulaire aux grands nombres de Peclet","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"67 1","pages":"991-998"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83591503","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: 14
Measurement of the rigidity coefficient of a surfactant layer and structure of the oil or water microemulsion interface 表面活性剂层的刚性系数和油或水微乳液界面结构的测量
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460210100500
J. Meunier
{"title":"Measurement of the rigidity coefficient of a surfactant layer and structure of the oil or water microemulsion interface","authors":"J. Meunier","doi":"10.1051/JPHYSLET:0198500460210100500","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460210100500","url":null,"abstract":"On deduit des mesures ellipsometriques le coefficient de rigidite d'une couche monomoleculaire de surfactant a une interface eau-huile. La monocouche contenant de l'alcool, on trouve une valeur tres faible du coefficient K (K∼k B T). On etudie ensuite les interfaces microemulsion-huile et microemission-eau recouvertes du meme film. On trouve qu'il existe une zone perturbee dans la microemulsion au contact de cette monocouche, zone dont l'epaisseur est comparable a la taille des objets dans la microemulsion. Les resultats experimentaux pour les interfaces de tres faibles tensions interfaciales suggerent que celles-ci peuvent etre decrites par le modele d'interfaces ouvertes recemment proposees","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"12 1","pages":"1005-1014"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81818449","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: 49
Dielectric scaling near a percolation threshold 介电结垢接近渗透阈值
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460210101500
L. Benguigui
{"title":"Dielectric scaling near a percolation threshold","authors":"L. Benguigui","doi":"10.1051/JPHYSLET:0198500460210101500","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460210101500","url":null,"abstract":"","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"13 1","pages":"1015-1021"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87687862","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: 9
Diffusion in an ultrametric space : a simple case 超尺度空间中的扩散:一个简单的例子
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:019850046021098500
G. Paladin, M. Mézard, C. Dominicis
{"title":"Diffusion in an ultrametric space : a simple case","authors":"G. Paladin, M. Mézard, C. Dominicis","doi":"10.1051/JPHYSLET:019850046021098500","DOIUrl":"https://doi.org/10.1051/JPHYSLET:019850046021098500","url":null,"abstract":"Wa introduce and solve a simple model of hierarchical relaxation: the diffusion by hopping in a regular ultrametric space On introduit et on resout un modele simple de relaxation hierarchique: la diffusion par sauts dans un espace regulier ultrametrique","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"104 1","pages":"985-989"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83513856","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: 36
Side chain mesomorphic polymers : studies of labelled backbones by neutron scattering 侧链介形聚合物:用中子散射研究标记骨架
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460220106500
P. Keller, B. Carvalho, J. Cotton, M. Lambert, F. Moussa, G. Pépy
{"title":"Side chain mesomorphic polymers : studies of labelled backbones by neutron scattering","authors":"P. Keller, B. Carvalho, J. Cotton, M. Lambert, F. Moussa, G. Pépy","doi":"10.1051/JPHYSLET:0198500460220106500","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460220106500","url":null,"abstract":"Side chain liquid crystal polymers are studied in the isotropic, nematic and smectic phases. The samples are made from a mixture of liquid crystal polymethacrylate with deuterated or protonated backbones. The samples are studied with neutron diffraction and small angle neutron scattering. The results show in particular that in the aligned smectic phase the backbone is highly anisotropic and confined within a smectic layer. The backbone labelling shows local bilayered order.","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"62 1","pages":"1065-1071"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76702494","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: 85
Melting of polarized 3He : interpretation of recent experiments 偏振光3He的熔化:最近实验的解释
Journal De Physique Lettres Pub Date : 1985-11-01 DOI: 10.1051/JPHYSLET:0198500460220107300
G. Bonfait, B. Castaing, A. Schuhl, M. Chapellier
{"title":"Melting of polarized 3He : interpretation of recent experiments","authors":"G. Bonfait, B. Castaing, A. Schuhl, M. Chapellier","doi":"10.1051/JPHYSLET:0198500460220107300","DOIUrl":"https://doi.org/10.1051/JPHYSLET:0198500460220107300","url":null,"abstract":"We propose a scenario for interpreting the recent experiments on melting of polarized solid 3 He. During a permanent melting, the liquid is formed with the polarization of the bulk solid. Within this interpretation, all the low polarization results agree with the predictions deduced from the well known magnetic susceptibilities of both phases Lors de la fusion permanente, le liquide est forme avec la polarisation du solide loin de l'interface","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"8 1","pages":"1073-1077"},"PeriodicalIF":0.0,"publicationDate":"1985-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76318763","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: 6
Experimental evidence for a hexagonal Blue Phase 六边形蓝相的实验证据
Journal De Physique Lettres Pub Date : 1985-10-01 DOI: 10.1051/JPHYSLET:019850046020097300
P. Pieranski, P. Cladis, R. Barbet-Massin
{"title":"Experimental evidence for a hexagonal Blue Phase","authors":"P. Pieranski, P. Cladis, R. Barbet-Massin","doi":"10.1051/JPHYSLET:019850046020097300","DOIUrl":"https://doi.org/10.1051/JPHYSLET:019850046020097300","url":null,"abstract":"Experimental evidence for a Blue Phase of hexagonal symmetry is reported. In agreement with a theoretical prediction by Hornreich et al., this new Blue Phase has been found in a short pitch cholesteric liquid crystal of positive dielectric anisotropy submitted to a large enough electric field. Its symmetry, compatible with crystal forms and with Bragg reflections, is either P6 1 22 or P6 2 22. The phase is three-dimensional in contradistinction with theoretically considered two-dimensional models En accord avec les predictions theoriques de Hornreich et al. cette nouvelle phase apparait dans des cristaux liquides cholesteriques de petit pas, d'anisotropie dielectrique positive et soumis au champ electrique d'intensite suffisante","PeriodicalId":14822,"journal":{"name":"Journal De Physique Lettres","volume":"15 1","pages":"973-977"},"PeriodicalIF":0.0,"publicationDate":"1985-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78119728","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: 41
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