DeutschesFachbuch.de : The Physics of Organic Superconductors and Conductors

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Contents
Part I Historical Surveys
1 Historical Approach to Organic Superconductivity
D. Jerome 3
1.1 One-Dimensional Conductors 3
1.2 Two-Dimensional Conductors 10
1.3 Conclusion 12
References 13
2 From Sliding Charge Density Wave to Charge Ordering
P. Monceau 17
References 24
3 Field-Induced Spin-Density Waves and Dimensional Crossovers
A.G. Lebed 25
3.1 Introduction 25
3.2 Peierls Spin(Charge)-Density Wave Instability 26
3.3 Field-Induced Spin-Density Wave Instability 28
3.4 Quantized Nesting Model 32
3.4.1 Momentum Quantization Law 33
3.4.2 Metal-FISDW Phase Transition Line 34
3.4.3 Phase Transitions Between FISDW Sub-Phases 35
3.5 Beyond Quantum Nesting Model 38
References 39
4 Cascade of FISDW Phases: Wave Vector Quantization and its Consequences
M. Héritier 41
4.1 Introduction 41
4.2 FISDW Wave Vector Quantization 42
4.3 Quantum Cascade of Phase Transitions 42
4.4 Novel Quantized Hall Effect 44
References 45
Part II General Reviews
5 La Tour des Sels de Bechgaard
S.E. Brown, P.M. Chaikin, and M.J. Naughton 49
5.1 Introduction to the Bechgaard Salts 49
5.1.1 Crystal Structure and Electronic Band Structure 50
5.1.2 The Ambient-Pressure Spin-Density Wave State in (TMTSF)2 PF 6, and Effe...
5.1.3 A Broader Context for Correlation Effects: the TMTTF Salts 53
5.2 Magnetic Field Effects in the Bechgaard Salts 54
5.2.1 A Little History and a Few Equations 54
5.2.2 Field-Induced Spin-Density Waves 57
5.2.3 Angular Magnetoresistance Oscillations in Quasi-One-Dimensional Conductors...
5.3 Superconductivity in the Bechgaard Salts 67
5.3.1 Early Investigations of the Superconducting State 67
5.3.2 Early Evidence for Unconventional Superconductivity 68
5.3.3 Recent Investigations: Triplet Superconductivity 70
5.4 Phases and Properties Near the SDW-Superconductor Boundary
79
5.4.1 NMR Evidence for Phase Segregation for P « Pc 80
5.4.2 Critical Field Enhancement Close to the Superconductor-SDW Phase Bounda...
5.5 Conclusions and Conundra 82
References 84
6 Physical Properties of Quasi-Two-Dimensional Organic Conductors in Strong M...
S. Uji and J.S. Brooks 89
6.1 Introduction 89
6.2 Crystal Structure 90
6.3 Landau Quantization and Quantum Oscillations 91
6.4 Lifshitz and Kosevich (L-K) Formula 93
6.4.1 Temperature Reduction Factor 95
6.4.2 Dingle Reduction Factor 95
6.4.3 Spin-Splitting Reduction Factor 97
6.5 Other Oscillatory Effects 97
6.6 Effective Mass 100
6.7 Magnetic Breakdown 100
6.8 Quantum Interference 102
6.9 Internal Field 105
6.10 Special and Related Topics 107
6.10.1 Field Induced Superconductivity 107
6.10.2 Angular Dependent Magnetoresistance and Fermi Surface Topologies 109
6.10.3 High Field Aspects of the a-(BEDT-TTF)2 MHg(SCN)4 Salts 114
6.10.4 Discussion 121
6.11 Summary 122
References 123
7 Magnetic Properties of Organic Conductors and Superconductors as Dimensiona...
A.G. Lebed and S. Wu 127
7.1 Introduction 127
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Index
ID organic compounds, 4 2 D conducting structure, 103 D quantum Hall effect (3 D QHE)...
AAx MoyOz , 600
a-(BEDT-TTF)2 KHg(SCN)4 , 271, 490
a-(BEDT-TTF)2 MHg(SCN)4 , 114, 185, 552, 575
a-(BEDT-TTF)2 TlHg(SCN)4 , 564
a-ET compounds, 596
Aharonov-Bohm interference, 200, 444
AMRO, 109, 110, 114, 121
effects, 70
- magnetic field, 258- series, polar plot, 258
- suppression, 259
angle dependent photoemission spectra, 571
angle-dependent magnetoresistance
- oscillations (AMROs), 89, 160, 248, 255, 415, 458, 575
angle-resolved photoemission
- spectroscopy (ARPES), 457
anion gap, 451, 608
anion ordering (AO), 196, 277, 293, 314, 416, 449, 606
anion sublattices, 51
anisotropic upper critical fields, 643
antiferromagnetic (AF), 278, 293
antiferromagnetic resonance, 53
antinesting, 29, 30
ARPES, 73
Arrhenius plots, 266
B ß-(BEDT-TTF)2 IBr 2 , 185
BEDT TTF, 10
- (BEDT TTF)2 Re 04 , 10
Bardeen Rickaysen and Teword (BRT)
- theory, 392
Bardeen Cooper and Schrieffer (BCS), 4, 17, 688, 691
BCS theory, 537, 570, 647
Bechgaard salts, 41, 50, 74, 121, 132, 188, 380, 387, 400, 416, 422, 426, 460, 577, 6...
Bechgaard-Fabre salts, 278
Bechgaard-Fabre salts, Coulomb
- interactions in, 279
Bechgaard-Fabre salts, structure, 278
BEDT-TTF, 90
BEDT-TTF salts, 248, 250
Bessel function, 65
Blue bronzes, 600
Bogoliubov-de Gennes (BdG)
- equations, 670
Bohr magneton, 97, 688
Bohr-Sommerfeld rule, 92
Boltzmann equation, 426, 442
bond dimerization, 330
bond-order-wave (BOW), 362, 376
Bose condensation, 4 bosonization, 328, 711, 725
bosonization method, 363
BOW correlations, 376
Bragg reflections (BR), 101, 128, 143, 200
Brillouin zone, 56, 91, 130, 194, 250, 358, 426, 441, 535, 576, 675
- boundary, 265
- of /?-(BEDT-TTF)2 IBr 2 , 251
CCeCoIns, 701
carrier mobility, 559
CDW order, intrusion, 389
CDW Pauli paramagnetic limit, 271
CDW superlattice, 4/CF formation, 280
CDW-SDW hybridization, 592
centro-symmetric anions (CS A), 284
charge density, 51
charge density waves (CDWs), 17, 116, 187, 221, 265, 269, 315, 361, 708
charge order, 89
charge ordered (CO) state, 54, 278, 281, 378
charge ordered state, ferroelectric
character of, 17, 288
charge ordering transition temperature,
- Too, 314
charge ordering/disproportionation, 314
charge transfer compounds, 7, 50
charge transfer salts, 50, 55, 551
charge-density-wave superstructure
- (CDW), 389
Chern number, 535
Chern-Simons term, 539
Chevrel compounds ReMo^Ss, 108
chiral edge states, 541
chiral metal, 552
Clogston paramagnetic limit, 644, 647, 656
CO transitions, ferroelectric character
- of, 288
coherence peak, 662
combined electron-phonon resonance, 336
commensurate directions, 608
commensurate electron motion, 60
commensurate electron trajectories, 443
compound topological solitons, 334
conductivity, 55, 95, 326
- tensor, 438
conjugated polymers, 340
cooling rate, 609
Cooper (electron-electron) loops, 402
Cooper pairs, 70, 631, 645
Cooper-Peierls interference, 362
correlation effects, 50
Coulomb interaction, 100, 365, 379
Coulombic repulsion, 7 critical pressure, 518
crossover coherence, 52
CSA conductors, behavior of, 285
cuprate high-temperature superconductors, 51
Curie law, 289, 323
cyclotron effective mass, 92
cyclotron frequency, 55, 92, 186
cyclotron mass, 190
cyclotron resonance (CR), 186, 457, 488
Dd-wave superconductors, 476
d vector, 665
- (DI-DCNDI)2 Ag, NMR studies in, 281
- (DI-DCNQI)2 Ag, 315
- (DI-DCNQI)2 Ag, dielectric permittivity, 292
Danner-Kang-Chaikin (DKC)
- oscillations, 26, 129, 195, 433
de Haas-van Alphen (dHvA) effects, 56, 89, 208, 262, 264, 457, 559, 576
Debye law, 295, 299, 300
deconfinement transition, 720
density of states, 94, 458, 559
deuterated and hydrogenated
- (TMTTF)2 AsF 6 , dielectric
- permitivity, 290
deuterated and hydrogenated
- (TMTTF)2 Re 04 , dielectric
- permitivity, 291
deuterated and hydrogenated
- (TMTTF)2 SbF 6 , dielectric
- permitivity, 290
diamagnetism, 72
dielectric insulating state, 6 dielectric permittivity, 314
Digamma function, 388
dimensional crossovers, 25, 70, 130, 131, 143, 191, 608, 693, 720
dimerization, 54, 720
Dingle reduction factor, 96
Dingle temperature 7 b, 97, 209, 263, 429
domain walls, 333
donor molecules, 50
Drude formula, 461, 462
Drude peak, 730
Drude theory, 384
dynamical mean field theory (DMFT), 252
E - (EDT TTF CONMe 2)2 AsF 6
- structure, 386 (EDT TTF CONMe 2)2 AsF 6 , 385
Earnshow instability, 318
electron correlations, 56, 187, 314, 628
electron spectrum, 489
electron tunneling, 423
electron-electron interactions, 490
electron-electron repulsions, 7 electron-hole interactions, 27
electron-phonon interaction, 7, 100
electronic relaxation time, 95
equal spin triplet pairing state (ESTP), 662
ethylene groups, 11
exact diagonalization, 328
extended Brillouin zone, 133, 143, 443
extended Hubbard model, 571
F Fabre salts, 400
Fabre series, 376
Fabre-Bechgaard salt diagram, 386
Fano antiresonance, 336
FE soft mode, 336
Fermi liquid (FL), 6, 75, 363, 719
Fermi surface (FS), 11, 53, 89, 94, 109, 114, 128, 249, 250, 271, 416, 498, 530, 576
Fermi wave vector, 416
Fermi-surface topologies, 249
Fermi-surface-traversal resonance
- (FTR), 262 ferroelectric character, divergence of
- relaxation time, 289 ferroelectric solitons, 332 ferroelectric transition, 336, 734...
FFLO phase observation in K-
- (BEDT-TTF)2 Cu(NCS)2 , 249 field induced superconductivity, 107, 110
- field-induced charge-density wave
- (FICDW), 25, 223, 266, 552 field-induced spin density wave
- (FISDW), 12, 41, 50, 57, 128, 164, 167, 269, 419, 466, 488, 530, 551, 605 field-ind...
Fourier space, flow equation, 366
Fröhlich current, 534, 537
Fulde-Ferrell-Larkin-Ovchinnikov
- (FFLO), 78, 109, 248, 687, 690, 697 fulvalene donors, 358
- ology models, 280
G
giant Nernst effect, 571, 581
Ginzburg-Landau formalism, 393
Goldstone modes, 707
Gor'kov-Lebed model, 58
ground states, 53
HHc 2 , 81
- C 4, 612
half-filled band organic conductors, 10
Hall coefficient RH, 55, 530
Hall conductivity, 58, 530, 536, 537, 563, 583
Hall effect, 41, 57, 530, 736
Hall potential, 561
heavy fermion compounds, 509
heavy fermion superconductors, 700
Hebel-Slichter peak, 69, 643
high Tc cuprate superconductors, 69, 128, 509, 570, 581
high pressure, 7 high-dimensional metal (HDM), 720, 724
highest occupied molecular orbitals
- (HOMOs), 251, 358
holons = solitons, 327
Hubbard model, 280, 708
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