Index

ARPES

data, 81, 83, 125, 129, 152, 153, 158, 164, 195, 201

experiments, 11, 12, 14, 23, 47, 59, 61, 62, 73, 75, 86, 127, 136, 151, 203, 206

measurements, 47, 75, 110, 114 results, 10, 124

spectrum, 86, 145 studies, 9, 112 techniques, 13

BCS susceptibility, 116 Bethe–Salpeter equations, 45, 58, 59,

145

charge density wave, 49, 169, 206 charge–transfer gap, 19, 23 charge–transfer insulator, 20 critical fluctuations, 102

cuto energy, 2, 78, 80, 81

eigenvalue, 40, 46, 59, 89, 188, 189, 193 energy distribution curve, 9, 126, 135

gap equation, 24–27, 40, 46–48, 51, 56, 57, 60, 102, 187–189, 195, 212

generic phase diagram, 8, 62, 99

Hubbard Hamiltonian, 19–24, 26, 34, 41, 48, 49, 61, 62, 67, 109, 125, 178, 192, 201, 207

Hubbard model, 22, 23, 25, 33, 40, 48, 50, 78, 84–87, 100, 110, 138, 143, 145, 208

hybridization, 15, 16, 18, 22, 41–44, 178, 181, 182, 184, 190, 192, 193, 195, 207

inelastic neutron scattering, 11, 16, 115–117, 119, 120, 122–124, 127, 132, 135, 136, 138, 139, 146, 151, 177–179, 181, 184–187, 192

experiments, 4, 12, 13, 15, 23, 73, 145, 181, 203, 205–207

intensity, 11

isotope e ect, 112, 114

kink, 9, 10, 12, 61, 83, 86, 126–134, 136, 194, 195, 203–207, 225, 226

kink condition, 130, 132, 203

Knight shift, 17, 47, 52, 153, 156, 157, 163, 167, 177, 178, 185–187, 192

Kramers degeneracy, 43, 44

Lindhard function, 24, 82, 179, 196 Lindhard spin susceptibility, 179

marginal–Fermi liquid, 11, 88, 135, 137, 138, 165

Meissner e ect, 8, 11, 64, 101, 104, 105, 108, 202

momentum distribution curve, 9, 126, 129

Mott–Hubbard

insulator, 19, 84, 87, 195, 208 transition, 23, 85, 196

nearly–antiferromagnetic–liquid, 11 nested–Fermi liquid, 11, 135, 137, 138,

141, 142

nesting, 16, 18, 25–28, 42, 48, 110, 113, 114, 117, 121, 153, 177–179, 182, 186, 189, 190, 192–195, 197, 202, 204, 207

optical scattering rate, 124

228 Index

optimum doping, 7, 34, 39, 50, 72, 80, 82, 202, 206

Ornstein–Zernicke behavior, 14 expression, 129 form, 78, 117

orthorhombic distortion, 5, 114

Pad´e approximation, 211

pair fluctuation propagator, 58, 59 parent compounds, 1, 4, 5, 88 preformed pairs, 11, 48, 52, 59, 80, 100,

101, 104, 152, 153, 158, 202 pump–probe spectroscopy, 100, 106

Raman

data, 118, 137, 149 intensity, 71, 137, 138, 168

response, 65, 66, 68, 69, 71, 73, 137, 138, 140, 141, 143, 149, 166, 206

scattering, 4, 11–14, 21, 39, 47, 65, 69, 87, 118, 137, 141, 144, 145, 151

spectra, 138, 139, 144, 150, 167 spectroscopy, 137

spectrum, 137, 140, 142, 145, 150, 167

vertex, 68, 143 vertices, 66, 68, 138

resonance condition, 120, 123, 146, 149, 155, 204, 205, 207

resonance peak, 13–15, 62, 73, 75, 80–83, 86, 115–123, 125, 132, 133, 136, 145, 146, 155, 157, 204–207

Ruddlesen–Popper series, 17, 18

spin–orbit coupling, 16–18, 21, 22, 41–46, 107, 178–182, 184–193, 195, 207

superfluid 3He, 16, 26, 145, 146 superfluid density, 47, 62, 63, 89, 91,

99–101, 103–105, 111, 123, 133, 201, 202

Uemura scaling, 99, 101, 102, 111 uniform spin susceptibility, 134, 156,

185, 187, 195

van Hove singularity, 111, 179, 195, 196, 207