scholarly journals Quasiparticle picture of high-temperature superconductors in the frame of a Fermi liquid with the fermion condensate

2001 ◽  
Vol 63 (22) ◽  
Author(s):  
M. Ya. Amusia ◽  
V. R. Shaginyan
Keyword(s):  
High Temperature ◽  
Fermi Liquid ◽  
High Temperature Superconductors ◽  
Quasiparticle Picture

scholarly journals SPECTRAL ANOMALY AND HIGH TEMPERATURE SUPERCONDUCTORS

1996 ◽  
Vol 10 (07) ◽  
pp. 805-845 ◽  
Author(s):  
LAN YIN ◽  
SUDIP CHAKRAVARTY
Keyword(s):  
High Temperature ◽  
Spectral Function ◽  
Superconducting State ◽  
Fermi Liquid ◽  
Cuprate Superconductors ◽  
High Temperature Superconductors ◽  
Universality Class ◽  
Scaling Relation ◽  
Critical System ◽  
Spectral Anomaly

Spectral anomaly for interacting fermions is characterized by the spectral function A ([k − k F ], ω) satisfying the scaling relation A (Λy1 [k − k F ], Λy2 ω) =ΛyA A ([k − k F ], ω), where y1, y2, and yA are the exponents defining the universality class. For a Fermi liquid y1 = 1, y2 = 1, yA = −1; all other values of the exponents are termed anomalous. In this paper, an example for which y1 = 1, y2 = 1, but yA = α − 1 is considered in detail. Attractive interaction added to such a critical system leads to a novel superconducting state, which is explored and its relevance to high temperature cuprate superconductors is discussed.

HIGH TEMPERATURE SUPERCONDUCTORS: A FERMI LIQUID INTERPRETATION

1989 ◽  
Vol 03 (18) ◽  
pp. 1363-1366
Author(s):  
R. S. LIST ◽  
A. J. ARKO ◽  
R. J. BARTLETT ◽  
C. G. OLSON ◽  
R. LIU ◽  
...  
Keyword(s):  
High Temperature ◽  
Fermi Liquid ◽  
High Temperature Superconductors

scholarly journals Field-induced quantum critical route to a Fermi liquid in high-temperature superconductors

2008 ◽  
Vol 105 (20) ◽  
pp. 7120-7123 ◽  
Author(s):  
T. Shibauchi ◽  
L. Krusin-Elbaum ◽  
M. Hasegawa ◽  
Y. Kasahara ◽  
R. Okazaki ◽  
...  
Keyword(s):  
High Temperature ◽  
Fermi Liquid ◽  
High Temperature Superconductors ◽  
Quantum Critical

Photoemission broadening of Fermi-liquid systems, and its relevance to high-temperature superconductors

1992 ◽  
Vol 45 (10) ◽  
pp. 5438-5442 ◽  
Author(s):  
Y. Hwu ◽  
L. Lozzi ◽  
S. La Rosa ◽  
M. Onellion ◽  
P. Almeras ◽  
...  
Keyword(s):  
High Temperature ◽  
Fermi Liquid ◽  
High Temperature Superconductors ◽  
Liquid Systems
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