d
Related Concepts
Superconductivity
Phase diagram
Physics
Hubbard model
Diagonal
Condensed matter physics
Doping
Coupling (piping)
Mathematical physics
Quantum mechanics
Phase (matter)
Materials science
Mathematics
Geometry
Metallurgy
Thomas Maier
,
Mark Jarrell
,
Th. Pruschke
,
J. Keller
·
YOU?
·
· 2000
· Open Access
·
· DOI: https://doi.org/10.1103/physrevlett.85.1524
· OA: W2007206894
YOU?
·
· 2000
· Open Access
·
· DOI: https://doi.org/10.1103/physrevlett.85.1524
· OA: W2007206894
The superconducting instabilities of the doped repulsive 2D Hubbard model are studied in the intermediate to strong coupling regime with the help of the dynamical cluster approximation. To solve the effective cluster problem we employ an extended noncrossing approximation, which allows for a transition to the broken symmetry state. At sufficiently low temperatures we find stable d-wave solutions with off-diagonal long-range order. The maximal T(c) approximately 150 K occurs for a doping delta approximately 20% and the doping dependence of the transition temperatures agrees well with the generic high- T(c) phase diagram.
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