nd - m at . s up r - co n ] 2 3 D ec 1 99 9 Absence of a Bulk Meissner

nd - m at . s up r - co n ] 1 1 N ov 1 99 9 Absence of a Bulk Meissner State in RuSr

We have systematically investigated the magnetic, electrical, and structural properties of RuSr2GdCu2O8, in which a long-range ferromagnetic order and superconductivity have been previously reported to coexist. Based on the results, we conclude that the bulk Meissner state does not exist in this compound. The absence of a bulk Meissner state may be attributed to the formation of a spontaneous v...

nd - m at . s up r - co n ] 5 O ct 1 99 9 Absence of a Bulk Meissner

We have systematically investigated the magnetic, electrical, and structural properties of RuSr2GdCu2O8, in which a long-range ferromagnetic order and superconductivity have been previously reported to coexist. Based on our observations, we conclude that the bulk Meissner state does not exist in this compound. The absence of a bulk Meissner state may be attributed to the appearance of a spontan...

ar X iv : c on d - m at / 9 70 80 30 v 1 [ co nd - m at . s up r - co n ] 5 A ug 1 99 7 1

Amitraz Poisoning; A case study

A m i t r a z, a n i ns e c t i c i d e /a ca ri c i de of the f o r m a m i d i n e p e st i c i d e s group, is a ? 2 a d r e n e r g i c ag on i st a nd of t he a m i d i ne c h e m i ca l f a m il y generally us e d to c o n t r ol animal e c top a r a s i t e s. Poisoning due to am i t r a z i s r a r e and character...

co nd - m at / 9 91 23 36 17 D ec 1 99 9 Jamming and Fluctuations in Granular Drag

We investigate the dynamic evolution of jamming in granular media through fluctuations in the granular drag force. The successive collapse and formation of jammed states give a stick-slip nature to the fluctuations which is independent of the contact surface between the grains and the dragged object – thus implying that the stress-induced collapse is nucleated in the bulk of the granular sample...