Low frequency and low magnetic field effects on the alternating current volume susceptibility of cuprate superconductors

1993 ◽  
Vol 74 (12) ◽  
pp. 7393-7396 ◽  
Author(s):  
Farid Bensebaa ◽  
Janusz Hankiewicz ◽  
Larry Kevan
Keyword(s):  
Magnetic Field ◽  
Cuprate Superconductors ◽  
Low Frequency ◽  
Alternating Current ◽  
Magnetic Field Effects ◽  
Field Effects ◽  
Current Volume ◽  
Low Magnetic Field

scholarly journals ESR studies of superconducting cuprates: Low magnetic field effects at X-band and 300 MHz

1991 ◽  
Vol 14 (3) ◽  
pp. 811-817
Author(s):  
R Janes ◽  
P P Edwards ◽  
R S Liu ◽  
A D Stevens ◽  
M C R Symons
Keyword(s):  
Magnetic Field ◽  
Magnetic Field Effects ◽  
Superconducting Cuprates ◽  
Field Effects ◽  
X Band ◽  
Low Magnetic Field

scholarly journals MAGNETIC FIELD EFFECTS On Tc AND THE PSEUDOGAP ONSET TEMPERATURE IN CUPRATE SUPERCONDUCTORS

2002 ◽  
Vol 16 (20n22) ◽  
pp. 3176-3179
Author(s):  
QIJIN CHEN ◽  
YING-JER KAO ◽  
ANDREW P. IYENGAR ◽  
K. LEVIN
Keyword(s):  
Magnetic Field ◽  
Coherence Length ◽  
Cuprate Superconductors ◽  
Onset Temperature ◽  
Magnetic Field Effects ◽  
Arbitrary Coupling ◽  
Field Effects

We study the sensitivity of Tc and the pseudogap onset temperature, T*, to low fields, H, for cuprate superconductors, using a BCS-based approach extended to arbitrary coupling. We find that T* and Tc, which are of the same superconducting origin, have very different H dependences. The small coherence length makes T* rather insensitive to the field. However, the presence of the pseudogap at Tc makes Tc more sensitive to H. Our results for the coherence length ξ fit well with existing experiments. We predict that very near the insulator ξ will rapidly increase.

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