Kamimura H., Ushio H., Matsuno S., Hamada T.Theory of Copper Oxide Superconductors
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Index 213
single-band Hubbard Hamiltonian 18
single-electron-type band structure 26
singlet pairs 18
site-specific X-ray absorption spec-
troscopy 26, 59
SK parameters 87
Slater–Koster (SK) parameters 84
Slater–Koster fits for YBa
2
Cu
3
O
7
93
Slater–Koster method 85
slave-boson 23
slave-fermion 23
small Fermi surface 113
small Fermi surfaces 113, 132
small polaron 17
specific heat 13
spectral function 140
spectral function, which contributes to
mass enhancement 153
spin fluctuation 24
spin fluctuation effect 67
spin fluctuation effect in a 1D system
72
Spin Fluctuation Models 24
spin frustration effect in the AF order
68
spin susceptibility 114
spin susceptibility χ(q,ω)24
spin-correlated region 5, 27, 55, 61, 83,
109
spin-correlated regions 129
spin-correlation function 68–73, 78, 80
Spin-Correlation Functions 66
spin-correlation length 6, 55, 56, 58,
109, 171, 189
spin-excitation-energy in the metallic
region of a finite size 137
spin-fluctuating system 189
spin-fluctuation 6
spin-fluctuation effect 27
Spin-Gap State 23
spin-wave excitation 137
spinon 20, 23
spinon pairing condensation 23
Spinon-pair Condensation Line 23
static antiferromagnetic order 16
STM 191
Stripe Phase 27
strong U effect 107
Strong Coupling Treatment of Conven-
tional Superconducting System
174
strong electron–phonon interaction
161
strong electron-lattice interactions 3
strong quantum fluctuation effect 18
strongly correlated interaction 22
substitution of
18
O for
16
OinLSCO
192
superconducting transition 23
superconductivity 12
superexchange interaction 16, 18, 83,
84, 107, 109
superexchange interaction between the
Cu d
x
2
−y
2
localized spins 59
superexchange interactions 64
Suppression of Superconductivity
by Finiteness of the Anti-
Ferromagnetic Correlation Length
171
Suppression of Superconductivity Due
to the Finite Lifetime Effect 173
Symmetry of the Gap 13
T -phase 1, 9, 10
T
-phase 1, 9, 10
T
∗
-phase 1, 9, 10
T
c
-Equation in the Strong Coupling
Model 181
t–J model 22, 30, 79
t–J Hamiltonian 23
T -linear temperature dependence 124
temperature dependence of the Hall
effect 127
temperature dependence of the in-plane
resistivity 123
temperature- and concentration-
dependence of the c-axis
conduction 123
tetragonal symmetry 29
the b
1g
bonding orbital 26
The calculated concentration depen-
dence of the Hall coefficient
126
The calculated temperature dependence
of the resistivity in the ab plane,
ρ
ab
, of LSCO for 124
214 Index
the electron–phonon mediated
superconductivity 85
The Hole-Concentration Dependence of
T
c
189
the K–S model 128
the Kamimura–Suwa model 4
The mixing ratio of the in-plane Op
σ
,
apical Op
z
,Cud
x
2
−y
2
and Cu d
z
2
orbitals 116
the sign change of the effective
interaction 171
Theories for HTSC 17
three-dimensional AF ordering 2
tight binding (TB) form 117
Tight Binding (TB) Functional Form
115
tight binding (TB) Hamiltonian 85
tight binding Hamiltonian 141
tight binding model 143
transfer integral 16, 21
transfer interaction 142
transfer interaction between neigh-
bouring CuO
6
octahedrons
59
transfer interactions 84
transition temperature 161, 169, 173
transition-lines 13
traveling time of a hole-carrier 109
two dimensional AF Brillouin zone
112
two doped hole-carriers 64
two story house model 61
two-component mechanisms 25
two-component scenario 118
two-component system 33
two-component theory 27
two-dimensional (2D) antiferromagnetic
(AF) behaviour 130
two-dimensional AF Heisenberg spin
system 27
“Umklapp-process 166
underdoped regime 122
underdoped region 13, 130
upper crossover line 131
upper Hubbard b
∗
1g
band 108
Validity of the K–S Model in the
Overdoped Region 130
van Hove singularity 117, 150, 167
variational method 37
variational trial function 37
velocity of a hole-carrier 173
virtual crystal approximation 32
virtual crystal structure 52
virtual phonon exchange process 173
wave functions of an up-spin carrier
115
Wavefunctions of a Hole-Carrier 115
weak coupling-equation 167
x-dependences of entropy 136
Zhang 22
Zhang–Rice exchange constant 60
Zhang–Rice singlet 22, 26, 30, 31, 37,
39, 55, 56, 58, 61, 63, 76, 79, 121
Zhang–Rice spin-singlet 5
Zhang–Rice spin-singlet multiplet 5
“zigzag” like state 66
“zigzag”-like states 75
zigzag-like behaviour 81