Low-temperature phase diagrams of quantum lattice systems. I. Stability for quantum perturbations of classical systems with finitely-many ground states

1996 ◽  
Vol 84 (3-4) ◽  
pp. 455-534 ◽  
Author(s):  
Nilanjana Datta ◽  
Roberto Fernández ◽  
Jürg Fröhlich
2000 ◽  
Vol 281-282 ◽  
pp. 332-336 ◽  
Author(s):  
M.B Maple ◽  
A Amann ◽  
R.P Dickey ◽  
E.J Freeman ◽  
C Sirvent ◽  
...  

1982 ◽  
Vol 19 ◽  
Author(s):  
M. Brian Maple

ABSTRACTRecent experiments on magnetically-ordered ternary and pseudoternary rare earth superconductors are briefly reviewed. Superconductivity has been found to coexist with antiferromagnetic order, but to be destroyed by the onset of ferromagnetic order at a second transition temperature Tc2∼TM, where TM is the Curie temperature. In antiferromagnetic superconductors, the antiferromagnetic order modifies superconducting properties such as the curve of the upper critical magnetic field versus temperature. In ferromagnetic superconductors, a long wavelength (∼ 102 Å sinusoidally modulated magnetic state develops in the superconducting state as a result of the superconducting-ferromagnetic interactions. The interplay of superconductivity and competing magnetic interactions in pseudoternary rare earth systems produces complex and interesting low temperature phase diagrams.


1990 ◽  
Vol 163 (1-3) ◽  
pp. 191-193 ◽  
Author(s):  
P.C. Canfield ◽  
J.D. Thompson ◽  
G. Gruner

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