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1.
Phys Rev Lett ; 84(21): 4974-7, 2000 May 22.
Article in English | MEDLINE | ID: mdl-10990845

ABSTRACT

We study the vortex phase diagram in untwinned YBCO crystals with columnar defects. These randomly distributed defects are expected to induce a "Bose glass" phase of localized vortices exhibiting a vanishing resistance and Meissner effect for magnetic fields H( perpendicular) transverse to the columns. We directly observe the transverse Meissner effect using a Hall probe array. As predicted, the Meissner state breaks down at temperatures T(s) that decrease linearly as H( perpendicular) increases. However, T(s) lies far below the conventional melting temperature T(m) determined by a vanishing resistivity, suggesting a regime where vortices are effectively localized even when rotated off the columnar defects.

3.
Phys Rev B Condens Matter ; 52(10): R7046-R7049, 1995 Sep 01.
Article in English | MEDLINE | ID: mdl-9979746
4.
Phys Rev B Condens Matter ; 49(18): 12927-12930, 1994 May 01.
Article in English | MEDLINE | ID: mdl-10010203
6.
Phys Rev D Part Fields ; 34(8): 2283-2285, 1986 Oct 15.
Article in English | MEDLINE | ID: mdl-9957417
7.
9.
Serie de Monografías Científicas y Técnicas;3
Monography in Spanish | PAHO-IRIS | ID: phr3-51177

ABSTRACT

[Introducción] En esta revisión, se han compilado y presentado en forma concisa y comparativa varias informaciones acerca de la cría y de las enfermedades significativas de los ratones de laboratorios. Los objetivos se dirigen principalmente a los veterinarios dedicados a la medicina de animales de laboratorio y son tres: 1) familiarización con las enfermedades del ratón; 2) diagnóstico y 3) medidas preventivas y de control esenciales para el apoyo de la investigación.


Subject(s)
Animals, Laboratory
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