Mourachkine A. Room-Temperature Superconductivity

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304 ROOM-TEMPERATURE SUPERCONDUCTIVITY

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Index

A-15, 6, 82–89, 91, 111

Abrikosov, A. A., 5, 32, 34, 63, 78

Acoustic measurements, 171–172

Acoustic mode, 143, 209

Andreev reﬂections, 61, 118, 123–124, 183, 227,

250, 300

Anisotropy, 66, 230

Anomaly, 2, 21, 97, 100, 120, 125, 137, 233

Antiferromagnetic, 6, 8, 13, 71, 91–92, 94, 97, 99,

102, 107, 112, 119–124, 167–168, 173–174,

176–177, 179–180, 182, 184, 187–188,

211–212, 215–216, 219–220, 223, 239–241,

263–264, 275, 282, 284, 288, 293, 295

Antiferromagnetism, 92, 102, 121, 240

Apical oxygen, 97

Armchair edge, 283

Armchair nanotube, 116

ARPES measurements, 178, 182–183, 185–187,

208, 210, 226, 258

BCS theory, 5, 7, 10–11, 17–18, 22, 29, 31, 38, 47,

52, 54, 58, 62, 82, 84, 129–131, 134, 136,

141, 143, 146, 149–151, 153, 155, 158–159,

162, 166, 205, 207, 219, 232, 242, 250

Bechgaard salt, 105–107, 118, 277

(BEDT-TTF)

, 107

(BEDT-TTF)

X, 106

BETS, 71

Bi2212, 100

Bisoliton model, 6, 8, 169, 199, 204, 207–208, 242,

255, 259

Bisoliton-overlap approach, 277, 297

BKBO, 85

Bose distribution, 19

Bose-Einstein condensate, 8, 48, 61, 133–134, 261

Bose-Einstein condensation, 20, 132, 134

Boson, 2, 14, 18–19, 22, 48, 130, 132, 134, 189

Bosons, composite, 19

Bragg peaks, 179, 212

Break junction, 186

Brillouin zone, 38, 143

Broglie waves, 132

, 108, 240

Carbides, 88

Carbon nanotubes, 115, 286

, 125

Chains in YBCO, 99, 239

Charge inhomogeneity, 173, 177, 272

Charge reservoirs, 95, 101, 167, 237, 276–277, 296

Charge stripes, 8, 168, 172–180, 182–189,

196–197, 204, 206, 212, 221, 223, 234, 236,

240, 242, 265, 292

Charge-density waves

CDW, 94, 166, 172, 178, 239, 282

Charge-stripe excitations, 197, 242

Chevrel phases, 91

Chiral nanotube, 116

ClO

, 104, 293

Commensurate peak, 212–213, 215–216

Condensation energy, 36, 40, 56, 150, 156, 223,

229, 265

Conjugate bonds, 14, 110, 241, 255

Conjugated hydrocarbons, 15, 256, 280, 284

Cooper pairs, 5–6, 8–9, 15, 19, 23–25, 28, 30–32,

36–37, 39, 41, 44–45, 48, 54–55, 59, 61,

70–71, 73, 78–79, 120, 130, 134, 136, 138,

146, 152, 157, 163, 168, 175, 182, 196–198,

219, 223–224, 227–228, 232, 240–241,

243–244, 247, 249, 253–254, 256, 259, 262,

265, 268, 273–275, 294

Cooper-pair size, 29–31, 71, 79, 157–158, 232

Cooper-pair wavefunction, 22

Copper oxides, 94

Coronene, 15

Coulomb attraction, 145

307

308 ROOM-TEMPERATURE SUPERCONDUCTIVITY

Coulomb repulsion, 21, 130, 145, 148–149, 151,

160, 168, 200, 203–204, 218, 242, 259

Critical current, 36

Critical ﬁeld

, 33, 65

,66

Critical temperature, 21, 155

Crystal structure

(TMTSF)

, 106

A-15, 84

B1, 89

Bi2212, 101

BKBO, 86

Chevrel phases, 92

fullerides, 111

graphite, 114

LSCO, 96

MgB

,87

NCCO, 102

YBCO, 99

Cu(NCS)

, 106, 293

Cubic, 83–85, 88, 90, 110–111, 118, 124–126

Cuprates, 94

Curie temperature, 120, 122–123, 215

Cu[N(CN)

]Cl, 106, 293

Cu[N(CN)

]Br, 106, 293

D-wave, 25–26, 118, 120, 122–124, 220, 226–227,

240, 263

Davydov soliton, 168, 190, 194–196

Debye temperature, 10, 85, 125, 144, 153, 160, 209

De Gennes, P. G., 68, 74

Density of states, 8, 36, 38, 53, 147, 153–155, 161,

184, 195, 282, 295

Deuterides, 126

Dispersion relation, 143

Dispersion, 9–10, 167, 190–191, 193–194, 204,

208, 210, 221

DNA, 115, 290, 300–301

Domain walls, 8, 169, 212, 272

Dopant

Br, 104, 293

Cs, 104, 293

I, 104, 293

Doping level of cuprates, 95, 173

Effect of impurities, 162–163, 238, 249

Effective coherence length, 60

Effective mass, 27, 40, 86–87, 117–119, 125, 191,

193, 199, 230, 250, 267–268, 273

Effective mass anisotropy, 230

Einstein, A., 261

Elastic coefﬁcients, 85, 172

Electrical contacts, 300

Electron-phonon interaction, 5, 21, 88–89, 91, 94,

112, 138, 142, 160, 168, 178, 187, 204,

208–209, 232, 248–249, 254, 263, 273–275

Electrosoliton, 168, 189, 197, 203, 205, 256, 275,

278, 290

Eliashberg equations, 160, 209

Eliashberg function, 86

Energy gap, 51, 152

Energy scales, 36

Envelope soliton, 194–195

Exchange interaction, 191, 202, 204, 258

Exciton, 6, 11, 221, 242

Extrapolation length, 60

FeCl

, 71, 293

Fermi energy, 41, 107, 112, 132, 144, 146, 150, 157

Fermi level, 13, 19, 37, 45, 51, 54, 111, 132, 134,

150–151, 154, 156, 161, 187, 195–196, 201,

224, 279, 283

Fermi liquid, 141

Fermi surface, 21, 31, 36, 38, 51, 87, 118, 144,

146–147, 149, 157, 177, 184, 189, 200, 204,

214, 239, 249

Fermi velocity, 21, 31, 60, 86, 118

Fermi-Dirac distribution, 18

Fermion pairing, 20

Fermion, 2, 6–7, 14, 18–20, 26, 117–122, 125, 127,

130, 132, 135, 151, 180, 189, 216, 218–219,

221, 227, 274

Ferromagnetic, 72, 91–92, 120, 122, 124, 137, 177,

211, 219–220, 263–264, 276, 282–283, 293

Flux quantization, 42

Fullerenes, 109, 284

Fullerides, 109

Gapless superconductivity, 51, 55, 138, 228

Geballe, T. H., 12, 277

Giaever, I., 52

Gibbs free energy, 55

GIC, 113, 282

Ginzburg-Landau parameter, 32, 34, 76, 90, 125,

159

Ginzburg-Landau theory, 5, 30–31, 34, 36, 41,

64–66, 71–72, 76, 78–79, 158–159

Gorter-Casimir model, 4

Graphene, 113, 282

Graphite, 113, 282

Hall coefﬁcient, 125

Heat capacity, 20, 118–119, 158

Heavy fermions, 6, 117–120, 122, 219, 221

Heisenberg hamiltonian, 211

Heisenberg model, 219

Helmholz free energy, 40

Hexabenzocoronene, 15, 284

Hexagonal, 87, 91, 110, 113, 118

High-frequency losses, 163

INDEX 309

Holst, Gilles, iv, xv, 3, 17, 82, 141

Hydrides, 126

Impurity scattering, 162

Incommensurate peaks, 169, 179, 212–216

Induced superconductivity, 137

Infrared measurements, 29, 51, 83, 185, 198

Instability, 2, 14, 84–86, 123, 146, 241, 282

Interlayer coupling, 210, 222–223

Isotope effect, 4–5, 7, 62–63, 86, 88, 106, 112, 126,

142, 155, 160, 203–204, 207–208, 219,

249–250

negative, 58, 107, 126, 207

Jaccarino-Peter compensation, 71

Josephson coupling, 31, 210, 261–262

Josephson current, 24, 47–49, 54, 227, 229

Josephson effects, 5, 41, 44–45, 47–48, 103

Josephson junction, 47, 49–50, 61

Josephson product, 246

Junction

long, 50

small, 50

NiF

, 170

Kamerlingh Onnes, H., iv, xv, 3, 17, 82, 141

Korteweg-de Vries equation, 10

λ-(BETS)

FeCl

, 71, 108, 293

Landau, L. D., 5, 72

Latent heat, 57

Lattice vibrations, 69, 142–143, 148–149, 160, 219

Laves phases, 90

Little’s model, 6, 11, 129, 255

Local electrodynamics, 28

Longitudinal elasticity, 199

Longitudinal gradient, 69

Longitudinal mode, 92

Longitudinal phonons, 143, 161

Longitudinal resistivity, 108

Longitudinal velocity, 192, 196, 199, 202–203

LSCO, 96

Luttinger liquid, 189

Magnetic impurity, 55, 162, 227, 238, 257

Magnetic resonance peak, 212–213, 215–216,

220–221, 223, 233, 242

Magnon, 221, 242, 264

Manganites, 172, 177–179, 196, 206, 265

McMillan equation, 160

Meissner effect, 4, 17, 26–27, 32, 41–42, 120, 123

MgB

, 86, 250

MgCNi

, 124

Microbridge, 45

Microwave emission, 50

Microwave measurements, 29, 51, 121

Mixed state, 4, 34, 41, 63–65, 67–69, 72

Mott transition, 12

µSR measurements, 29, 88, 93, 119, 176, 180, 215,

240, 250, 267–268

CoO

· yH

O, 294

Nb, 29, 33, 83, 88, 161, 250

Ge, 6, 29, 83, 86–87

NCCO, 101, 240

Neutron diffraction, 8, 122, 172

Neutron measurements, 8, 89, 123–124, 160, 169,

171, 216, 265, 295

Neutron stars, 20

Neutrons, 19



el order, 219



el temperature, 92, 102, 112, 119, 121, 180,

215–216, 221, 264

Nickel borocarbides, 121

Nickelates, 172, 177–179, 240, 265

Nitrides, 88

NLS equation, 191, 194, 204

NMR measurements, 8, 123–124, 182, 185, 187

Non-local electrodynamics, 28

Non-magnetic impurity, 163, 238

Nonlinearity, 9, 167, 190–191, 194, 204–205

NQR measurements, 125

1/8 anomaly, 97, 100, 207, 232

Optical channel, 135, 212, 214

Optical mode, 84, 86, 143, 209

Optical phonons, 209, 295

Order parameter, 8, 23, 72

Organic molecules, 105

Organic superconductors, 6, 104

Orthorhombic, 97–99, 170, 216, 237

Ovalene, 15

Oxides, 127, 291

P-wave, 25–26, 120, 122, 220, 263

P3AT, 278

Pairing gap, 37, 257

Pairing mechanism, 8, 63, 91, 112, 207

Pb, 21, 29, 58, 126

PDHPT, 280

Peak effect, 69

Peierls compounds, 178

Peierls transition, 115, 272

Penetration depth, 4, 21, 26–29, 34, 40, 50, 63, 76,

91, 93, 95, 97, 113, 123, 126, 158, 160, 163,

230, 241, 269, 274, 293

Perfect conductivity, 18

Perfect diamagnetism, 3, 18

Perovskite, 85, 90, 95, 122, 124–125

, 104, 293

310 ROOM-TEMPERATURE SUPERCONDUCTIVITY

Phase diagram, 97, 99, 101, 119, 177, 179,

183–184, 189, 216, 219, 224, 240, 244, 274

Phase stiffness, 39

Phase-coherence gap, 39, 265

Phase-coherence mechanism, 31, 261

Photoemission, 121, 178, 258

Plateau 60 K, 99

Polyacetylene

trans−, 115, 279

Polymers, 115, 256, 278, 280, 297, 299–300

Polyparaphenylene, 256, 280–281

Polypyrrole, 256, 280

Polythiophene, 256, 278

Principles of superconductivity, 129

Proximity effect, 59, 137

Pseudogap, 8, 86, 171, 184, 186–187, 220, 240, 246

Quantum critical point, 180, 184, 219, 229, 264,

273, 275

Quasiparticles, 130, 141

Raman measurements, 121, 185, 257

Redox reactions, 14, 289

Reentrant superconductivity, 92

Requirements to materials, 274

Resonant structures, 110

Russel, J. S., 9

Rutgers formula, 57

Ruthenocuprates, 123

S-wave, 25, 62, 87, 118, 121, 187, 219–220, 226,

240, 249–250

Schro¨dinger equation, 74, 146, 191

Self-trapped soliton, 194

Self-trapped states, 168, 178, 187, 189–190,

192–193, 210

Semiconductors, 90

Shapiro steps, 48

Shubnikov phase, 4–5

SIN junction, 53, 154, 161–162, 186–187, 195,

205–206, 244–245

Sine-Gordon equation, 50

SIS junction, 45, 53, 155, 162, 186–187, 229, 246

SnTe, 90

Solitary waves, 9–10

Solitons, 9–10, 50, 166, 194, 197, 204, 239, 242,

255

Speciﬁc-heat jump, 58

Spin ﬂuctuations, 6, 8, 25, 91, 112, 120, 122–123,

135–136, 168, 206, 211–212, 214, 216–217,

219–222, 226–227, 229, 232–233, 236,

238–241, 243, 245–246, 263–264, 267, 273,

275, 288, 292–293, 300

Spin glass, 97, 173, 176, 180, 184

Spin-density waves

SDW, 94, 122, 166

SQUID, 13, 48, 103

SrTiO

,90

Strong coupling, 94, 138, 187

Strongly correlated electrons, 94, 166

Strontium ruthenate, 122

Structural phase transition, 84, 97, 118, 125, 169,

172, 182, 221–222, 292

martensite, 84, 86

Structure, C

, 109

Superconducting state

suppression, 69

Superexchange constant, 212, 219

Superexchange interaction, 94

Surface energy, 77

Surface superconductivity, 66

Susceptibility measurements, 257

Symmetry of the order parameter, 25

Tetragonal, 85, 95–101, 111, 118–119, 121, 170,

216, 222, 237

Tetraphenylporphin, 15

Thermodynamic properties, 55

(TMTSF)

, 104

(TMTSF)

X, 106

Topological defects, 283

Topological disorder, 282–283

Topological doping, 168

Transverse mode, 92

Transverse phonons, 143, 161

Transverse resistivity, 108

Tunneling, 161, 243

Two-ﬂuid model, 4, 26, 55, 58, 72

Type-I, 32

Type-II, 32, 63

Type-III, 69

Uemura plot, 93

Ultrasound measurements, 54

V, 8 3

Velocity of sound, 192, 196, 199, 202–203

Vortex, 4–5, 9, 33–34, 63–69, 102, 122, 232

X-ray measurements, 170–171

YBCO, 99

Zero resistance, 17, 41

Zero-bias conductance peak, 45, 47, 54, 118,

123–124, 196, 228

Zigzag edge, 283

Zigzag nanotube, 115