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cond-mat.supr-con2000
Superfluid weight vs. superconducting temperature based on a U(1) slave-boson approach to the t-J Hamiltonian
Sung-Sik Lee, Sung-Ho Suck Salk
Based on an improved U(1) slave-boson approach to the t-J Hamiltonian, we invest igate a relationship between the superfluid weight (the superconducting charge carrier den…
cond-mat.supr-con2000
Importance of Coupling between the Charge and Spin Degrees of Freedom in High Tc Superconductivity
Sung-Sik Lee, Sung-Ho Suck Salk
Based on an improved SU(2) slave-boson approach showing coupling between the cha rge and spin degrees of freedom, we derive a phase diagram of high cuprate s which displays b…
cond-mat.supr-con2000
Origin of the Quasiparticle Peaks of Spectral Functions in High Cuprates
Sung-Sik Lee, Sung-Ho Suck Salk
Based on the SU(2) slave-boson approach to the t-J Hamiltonian, we examine the cause of the sharp peaks('quasiparticle' peaks) in the observed spectral functions in high cupr…