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| Ïîèñê ïî óêàçàòåëÿì |
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| Chandrasekhar S. — Liquid Crystals |
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| Ïðåäìåòíûé óêàçàòåëü |
4, 4'-di-n-alkoxyazoxybenzenes dielectric dispersion 56
4, 4'-di-n-alkoxyazoxybenzenes odd-even effect 48—51
4, 4'-di-n-alkoxyazoxybenzenes structure 50 see also “PAA” “PAP”
4-cyanobenzylidene-4'-octyloxyaniline see “CBOOA”
4-methoxybenzylidene-4'-butylaniline see “MBBA”
Anisaldazine crystal structure 18
Anisaldazine orientational order parameter 27
Anisaldazine surface tension 81
Antiferroelectric short range order in nematics 75—80
Antiparallel correlations in smectic A 350—358 see also “Near neighbour correlations” “Smectic
Applications liquid crystal display devices (LCD): active matrices 111
Applications liquid crystal display devices (LCD): colour displays 111
Applications liquid crystal display devices (LCD): dye displays 51 112
Applications liquid crystal display devices (LCD): dynamic scattering mode 178 288
Applications liquid crystal display devices (LCD): multiplexed displays 111
Applications liquid crystal display devices (LCD): storage mode 288
Applications liquid crystal display devices (LCD): supertwisted nematic (STN) 111—112
Applications liquid crystal display devices (LCD): surface-stabilized ferroelectric LCD 380 386—387
Applications liquid crystal display devices (LCD): twisted nematic (TN) 106—111
Applications liquid crystal display devices (LCD): twisted nematic, dynamical characteristics of 161—162
Applications liquid crystal display devices (LCD): twisted nematic, optical bounce and reverse twist effects in 112—113 167
Applications optical modulator 381 387
Applications thermography 296—297
Applications tunable colour filter 387
Backflow 162—167
Bethe approximation 71
Biaxial nematics 3 378 414—417 449
Biaxiality: in nematics see “Biaxial nematics”
Biaxiality: in smectic C 362—363
Biaxiality: in smectic C* 379
Biaxiality: molecular 37 47—48 298
Bicritical point 354
Binary nematic mixtures 51
Binary nematic-nematic coexistence 51
Binary order parameter of individual components 51
Blue phases 5—6 16
Blue phases, Landau theory of 295—296
Blue phases, optical Kossel diagrams 292
Blue phases, single crystals 292
Blue phases, unit cells of blue phases I and II as cubic networks of disclinations 294
Bond orientational order 6 360—362 363—364 see
Borrmann effect in cholesterics 232—238
Bragg-Williams approximation 20
Brillouin scattering 325—326 402 404
Carr-Helfrich instability 181—182 286—287
CBOOA correlation lengths 343 347
CBOOA critical exponents associated with the smectic A-nematic transition 347
CBOOA damping rate of undulation mode 321—322
CBOOA Helfrich deformation 316
CBOOA influence of twist distortion on the smectic A-nematic transition temperature 305
CBOOA layer compressibility 315
CBOOA orientational order parameter 309
CBOOA penetration depth 315—316 322
CBOOA splay and bend constants 344
Chevron patterns 178 180 387
Cholesteric pitch compensated mixtures of right-and left-handed cholesterics 218 248 276—277
Cholesteric pitch critical divergence of 349
Cholesteric pitch dependence on composition (in mixtures) 297—298
Cholesteric pitch dependence on magnetic field strength normal to the helical axis 277—280
Cholesteric pitch dependence on pressure 297
Cholesteric pitch dependence on temperature 296—297
Cholesteric pitch twist per unit length 97
Cholesteryl nonanoate, blue phases 16
Cholesteryl nonanoate, Borrmann effect 236
Cholesteryl nonanoate, critical divergence of pitch 349
Cholesteryl nonanoate, molecular structure 16
Cholesteryl nonanoate, transitions 16
Clausius-Clapeyron equation 27
Conductivity, electrical 177 181
Conductivity, thermal 202—205
Consistency relation, Chang 72
Consistency relation, Krieger James 72
Consistency relation, Maier-Saupe 44
Continuum theory, of cholesterics, coefficients of thermal conductivity 260
Continuum theory, of cholesterics, distortion by external fields 277—288
Continuum theory, of cholesterics, elastic free energy density 97 284—285
Continuum theory, of cholesterics, energetics of defects 248—258
Continuum theory, of cholesterics, flow along the helical axis (permeation) 270—273
Continuum theory, of cholesterics, flow normal to the helical axis 274—276
Continuum theory, of cholesterics, thermomechanical coupling 258—267
Continuum theory, of cholesterics, torque induced by electric field (electromechanical coupling) 264—267
Continuum theory, of cholesterics, torque induced by heat flux (the Lehmann rotation phenomenon) 262—263
Continuum theory, of cholesterics, viscosity coefficients 260
Continuum theory, of columnar liquid crystals, acoustic wave propagation 401—402
Continuum theory, of columnar liquid crystals, elastic free energy density 397
Continuum theory, of columnar liquid crystals, energetics of defects 402—408
Continuum theory, of columnar liquid crystals, fluctuations 398
Continuum theory, of columnar liquid crystals, light scattering 400
Continuum theory, of columnar liquid crystals, mechanical instabilities 400—401
Continuum theory, of columnar liquid crystals, Peierls-Landau instability 398
Continuum theory, of columnar liquid crystals, X-ray scattering 399
Continuum theory, of nematics (including discotic nematics), backflow and kickback effects 162—167
Continuum theory, of nematics (including discotic nematics), distortions due to external fields 98—117
Continuum theory, of nematics (including discotic nematics), elastic free energy density 57 97 116
Continuum theory, of nematics (including discotic nematics), electrohydrodynamic instabilities 177—195
Continuum theory, of nematics (including discotic nematics), energetics of defects 117—144
Continuum theory, of nematics (including discotic nematics), Ericksen-Leslie equations 85—94
Continuum theory, of nematics (including discotic nematics), flexoelectricity 205—212
Continuum theory, of nematics (including discotic nematics), flow properties 144—159 413—414
Continuum theory, of nematics (including discotic nematics), Freedericksz effect, dynamics of 161—167
Continuum theory, of nematics (including discotic nematics), Freedericksz effect, static theory 98—106
Continuum theory, of nematics (including discotic nematics), hydrodynamic instabilities 155—157 195—201 413—414
Continuum theory, of nematics (including discotic nematics), light scattering 162—177
Continuum theory, of nematics (including discotic nematics), Oseen-Zocher-Frank elasticity equations 94—97
Continuum theory, of nematics (including discotic nematics), Parodi's relation 94
Continuum theory, of nematics (including discotic nematics), periodic distortions in highly anisotropic media 113—115
Continuum theory, of nematics (including discotic nematics), reflexion of shear waves 159—161
Continuum theory, of nematics (including discotic nematics), summary of equations 97—98
Continuum theory, of nematics (including discotic nematics), thermal instability 201—205
Continuum theory, of nematics (including discotic nematics), twisted nematic and supertwisted nematic devices 106—115
Continuum theory, of nematics (including discotic nematics), viscosity coefficients 92—93
Continuum theory, of smectic A: breakdown of conventional hydrodynamics 325
Continuum theory, of smectic A: damping rate of undulation mode 322
Continuum theory, of smectic A: elastic free energy density 310
Continuum theory, of smectic A: energetics of defects 327—339
Continuum theory, of smectic A: fluctuations 317—319
Continuum theory, of smectic A: light scattering 317—319
Continuum theory, of smectic A: mechanical instability 314—316
Continuum theory, of smectic A: Peierls-Landau instability 312—314
Continuum theory, of smectic A: permeation 321
Continuum theory, of smectic A: ultrasonic propagation 323—325
Continuum theory, of smectic A: viscosity coefficients 321
Continuum theory, of smectic C: elastic free energy density 367
Continuum theory, of smectic C: fluctuations 367
Continuum theory, of smectic C: light scattering 367
Convection oscillatory 205
Convection stationary 202—205
Critical end point 355
Critical point 353
Curvature elasticity see “Elastic constants”
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 12CB, surface-induced smectic order in the isotropic phase 84
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 12CB, X-ray specular reflectivity from free surface 84
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), antiparallel local order 80
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), applications 110
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), dielectric anisotropv 79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), molecular structure 15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), surface tension 81
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), transitions 15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 5CB (pentyl compound), X-ray studies 79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 6CB, electric and magnetic birefringence 66
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 7CB, applications 110
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 7CB, X-ray studies 79
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), critical exponents associated with the smectic A-nematic transition 347
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), P-T diagram 356
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), reentrant behaviour at elevated pressures 356
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), surface-induced smectic order in nematic phase 83
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 80CB (octyloxycompound), X-ray specular reflectivity from free surface 83
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, critical exponents associated with the smectic A-nematic transition 347
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, molecular structure 15
Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 8CB, transitions 15
| Cyanobiphenyls (4'-n-alkyl-4-cyanobiphenyl) nCB 9CB, critical exponents associated with the smectic A-nematic transition 347
Cybotactic groups 2 4 83
Darwin's theory of X-ray diffraction see “Optical properties of cholesterics”
Defects, in cholesterics,  (chi)-edge disclinations 252
Defects, in cholesterics, (chi)-screw disclinations 249—251
Defects, in cholesterics, disclination pairs 250—251
Defects, in cholesterics, dislocations 254—258
Defects, in cholesterics, edge dislocations 254—257
Defects, in cholesterics, fingerprint textures 254—256
Defects, in cholesterics, Grandjean-Cano pattern 257—258
Defects, in cholesterics, lattice disclinations 252—254
Defects, in cholesterics, pincements 254—256
Defects, in cholesterics, screw dislocations 254
Defects, in columnar liquid crystals 402—411
Defects, in columnar liquid crystals, developable domains 409—411
Defects, in columnar liquid crystals, disclinations 408—409
Defects, in columnar liquid crystals, dislocations 403—408
Defects, in columnar liquid crystals, longitudinal dislocations 406—407
Defects, in columnar liquid crystals, longitudinal wedge disclinations 408
Defects, in columnar liquid crystals, screw dislocations 408
Defects, in columnar liquid crystals, transverse dislocations 407
Defects, in columnar liquid crystals, transverse wedge disclinations 408
Defects, in nematics, angular forces between disclinations 140—143
Defects, in nematics, Brochard-Leger walls 136
Defects, in nematics, consequences of elastic anisotropy 139—143
Defects, in nematics, core structure 143—144
Defects, in nematics, director field in the neighbourhood of 119—120
Defects, in nematics, disclination loops 127—128
Defects, in nematics, energies and interactions 120—122
Defects, in nematics, Helfrich walls 135
Defects, in nematics, non-singular structures 123—126
Defects, in nematics, schlieren textures in discotic nematics 412
Defects, in nematics, singular points 129—130
Defects, in nematics, solitons 137—139
Defects, in nematics, threads and schlieren textures 7 117
Defects, in nematics, twist disclinations 126—128
Defects, in nematics, umbilics 136—137
Defects, in nematics, wedge disclinations 117—128
Defects, in smectic A, disclinations 328—329
Defects, in smectic A, edge dislocations 333—337
Defects, in smectic A, energies and interactions 335—337
Defects, in smectic A, focal conic textures 327—333
Defects, in smectic A, screw dislocations 338
Defects, in smectic C, core structure 373—374
Defects, in smectic C, disclinations in the c-director field 368—369
Defects, in smectic C, edge dislocations 369—370
Defects, in smectic C, toric domains 329
Dielectric anisotropy, theory of 51—57 76—78
Dielectric dispersion 56
Director, definition of 85—86
Disclinations see “Defects”
Discotic liquid crystals, columnar phases of conical, macrocyclic, phasmidic molecules 393—394
Discotic liquid crystals, columnar structures 10 390
Discotic liquid crystals, disc-shaped molecules 389
Discotic liquid crystals, discotic lamellar phase 9 394 397
Discotic liquid crystals, discotic nematic 10 393 411—414
Discotic liquid crystals, extension of McMillan's model to discotics 394—397
Discotic liquid crystals, high resolution X-ray studies on freely suspended strands 389—393
Discotic liquid crystals, ordering of the cores and chains 390—392
Discotic liquid crystals, reentrant behaviour 394
Discotic liquid crystals, structure and classification of mesophases 8—10 388—393
Discotic liquid crystals, twisted nematic (or cholesteric) 393 see “Defects” “Discotic “Discotic
Discotic polymers 10—12
Discotic polymers, columnar nematic 11—12
Discotic polymers, columnar phase 11—12
Discotic polymers, sanidic nematic 11—12
Discotic, nematics 10 390 393 411—414
Discotic, nematics, diamagnetic anisotropy 412
Discotic, nematics, dielectric anisotropy 412—413
Discotic, nematics, director 390 412
Discotic, nematics, Frank (elastic) constants 413
Discotic, nematics, hydrodynamical properties 413—414
Discotic, nematics, optical anisotropy 412
Dispersion forces 41—42
Donors and acceptors 12 358
Dupin cyclides 329 see
Dynamic scattering 178 288 see
Elastic constants, nematics, critical divergence of 342—344
Elastic constants, nematics, dependence on order parameter 59—60
Elastic constants, nematics, experimental determination of splay, twist and bend (or Frank) constants 98—106 172
Elastic constants, nematics, permanent splay and twist 96 117
Elastic constants, smectic A, critical divergence of twist, bend and layer compressibility constants 343 348
Elastic constants, smectic A, experimental determination of layer compressibility 315 322
Electric birefringence (Kerr effect) 55 63—66
Electric field induced distortions, cholesterics, Carr-Helfrich instability 286—287
Electric field induced distortions, cholesterics, conduction and dielectric regimes 288
Electric field induced distortions, cholesterics, square grid pattern 282 286—288
Electric field induced distortions, cholesterics, storage mode 288
Electric field induced distortions, nematics, Freedericksz transition 106
Electric field induced distortions, nematics, principle of the twisted and supertwisted nematic devices 110—113 see “Flexoelectricity”
Electric field induced distortions, smectic C*, electroclinic effect 380 387
Electric field induced distortions, smectic C*, the surface-stabilized ferroelectric display device 386—387
Electric field induced distortions, smectic C*, unwinding of helix 380
Electroclinic effect 380 382
Electroclinic effect, application as optical modulators and tunable colour filters 387
Electrohydrodynamic instabilities in nematics, Carr-Helfrich mechanism 181—184
Electrohydrodynamic instabilities in nematics, chevron pattern 178 180
Electrohydrodynamic instabilities in nematics, conduction and dielectric regimes 178 183
Electrohydrodynamic instabilities in nematics, dynamic scattering 178
Electrohydrodynamic instabilities in nematics, flow and orientation patterns 182
Electrohydrodynamic instabilities in nematics, Helfrich's theory 181—186
Electrohydrodynamic instabilities in nematics, influence of flexoelectricity 210—211
Electrohydrodynamic instabilities in nematics, threshold for DC and AC excitation 186—187 187—194
Electrohydrodynamic instabilities in nematics, Williams domains 178—182
Electromechanical coupling coefficient in cholesterics 266—267
Electron spin resonance 39 146
Enantiotropic transition, definition of 14
End chains, their contribution to mesophase stability hard rods with semiflexible tails 37
End chains, their contribution to mesophase stability influence of chain length on the columnar-nematic-isotropic phase sequence 394—397
End chains, their contribution to mesophase stability influence of chain length on the smectic A-nematic-isotropic phase sequence 306
End chains, their contribution to mesophase stability odd-even effect in homologous series 48—51
End chains, their contribution to mesophase stability ordering of the cores and chains in the columnar mesophase 391—392
End chains, their contribution to mesophase stability stiffening of the chains as a mechanism for reentrance 357—358
Equal areas principle 22—24 37 73
Ericksen-Leslie theory 85—94
Ferroelectric liquid crystals 378—387
Ferroelectric liquid crystals, applications 386—387
Ferroelectric liquid crystals, experimental studies on the polarization, tilt angle, pitch, dielectric properties 381—384
Ferroelectric liquid crystals, generalized Landau theory 385—386
Ferroelectric liquid crystals, liquid crystalline ferroelectrics as improper ferroelectrics 385
Ferroelectric liquid crystals, rotational viscosities 384
Ferroelectric liquid crystals, soft mode and Goldstone mode 382—383
Ferroelectric liquid crystals, structure of smectic C* and the origin of ferroelectricity 379—380
Flexoelectricity 205—211
Flexoelectricity, contribution of flexoelectricity to electrohydrodynamic instability 210—211
Flexoelectricity, determination of the flexoelectric coefficients 205—209
Flow birefringence 69—71
Flow properties, of cholesterics, flow along helical axis 271—273
Flow properties, of cholesterics, flow normal to the helical axis 274—277
Flow properties, of cholesterics, Helfrich's model of permeation 270—271
Flow properties, of cholesterics, non-Newtonian behaviour 268
Flow properties, of cholesterics, oscillatory variation of apparent viscosity with pitch 276—277
Flow properties, of cholesterics, secondary flow 274
Flow properties, of nematics: backflow and kickback effects 162—167
Flow properties, of nematics: flow alignment in discotic nematics 413—414
Flow properties, of nematics: flow alignment in ordinary nematics 150 157
Flow properties, of nematics: instability in cybotactic nematics near the smectic A transition point 157
Flow properties, of nematics: Miesowicz's experiment 144—145
Flow properties, of nematics: Poiseuille flow 148—152
Flow properties, of nematics: shear flow 152—157
Flow properties, of nematics: transverse pressure and secondary flow 157—159
Flow properties, of nematics: Tsvetkov's experiment 145—148
Flow properties, of nematics: velocity and orientation profiles 152—153 164 166
Flow properties, of nematics: viscosity (or Leslie) coefficients 97—98 see also “Hydrodynamic instabilities”
Flow properties, of smectic A: Helfrich's model of permeation 321
Flow properties, of smectic A: non-Newtonian behaviour 319
Fluctuation-dissipation theorem 174
Fluctuations, director fluctuations in columnar liquid crystals 400
Fluctuations, director fluctuations in nematics 167—170
Fluctuations, director fluctuations in smectic A 317—319
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