
Problems of Condensed Matter Physics Quantum Coherence Phenomena in Electron-hole and Coupled Matter-light Systems
by Ivanov, Alexei L.; Tikhodeev, Sergei G.Buy New
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Summary
Author Biography
Alexei L. Ivanov
School of Physics and Astronomy
Cardiff University
Employment History:
Research staff member of Physics Department of Moscow State University,
1984-1991
Research associate of Institute for Theoretical Physics, University of Frankfurt am Main, 1991-1997
Research associate of Theory Condensed Matter Group, Cavendish Laboratory, Department of Physics, University of Cambridge, 1998-1999
Senior Lecturer, Department of Physics and Astronomy, Cardiff University, 1999-2003
Personal Chair - Professor, School of Physics and Astronomy, Cardiff University, 2003 - present time.
Sergei G. Tikhodeev
A M Prokhorov General Physics Institute
Russian Academy of Sciences
Moscow
Employment History:
Since 1997, Head of Nanostructures theory laboratory, A. M. Prokhorov General Physics Institute RAS, Moscow, Russia
1988 - 1996, Leading Scientist, General Physics Institute
1983 - 1988 Senior Scientist, General Physics Institute
1975 - 1983 Research Associate, I.E.Tamm Theory Department, P.N. Lebedev Physical Institute AS USSR, Moscow
Table of Contents
Preface | p. 1 |
Recollections | p. 7 |
Once again on the "Physical Minimum" | p. 11 |
References | p. 22 |
Hybrid organic-inorganic nanostructures and light-matter interaction | p. 24 |
Introduction: Hybrid organic-inorganic nanostructures | p. 24 |
Excitons in inorganic and organic materials | p. 26 |
Strong coupling regime | p. 27 |
Hybrid 2D Frenkel-Wannier-Mott excitons at the interface of organic and inorganic quantum wells | p. 27 |
Hybridization of Frenkel and W-M excitons in a 2D microcavity | p. 30 |
Giant Rabi splitting in organic microcavities | p. 31 |
Weak coupling regime in hybrid nanostructures | p. 32 |
The Forster energy transfer | p. 32 |
Forster energy transfer in a planar geometry | p. 33 |
Non-contact pumping of light emitters via nonradiative energy transfer: A new concept for light-emitting devices | p. 35 |
First experiments | p. 36 |
References | p. 40 |
The acoustic-wave driven quantum processor | p. 43 |
Introduction | p. 43 |
Variable g-factor materials | p. 44 |
Two-qubit gate | p. 46 |
Optical readout | p. 46 |
Optical input | p. 47 |
The optical quantum-state processor | p. 47 |
Summary | p. 48 |
References | p. 49 |
On the problem of many-body localization | p. 50 |
Introduction | p. 50 |
Background and formulation of the problem | p. 53 |
Non-interacting electrons in disorder potential | p. 53 |
Role of inelastic processes and phonon-assisted hopping | p. 54 |
Inelastic relaxation due to electron-electron interaction | p. 54 |
Finite-temperature metal-insulator transition | p. 55 |
Matrix elements of electron-electron interaction between localized states: essential features of the model | p. 55 |
Many-electron transitions and Fock space | p. 56 |
Statistics of the transition rates | p. 59 |
Self-consistent Born approximation | p. 60 |
Metallic phase | p. 62 |
Insulating phase | p. 62 |
Metal-insulator transition and many-body mobility edge | p. 64 |
Conclusions and perspectives | p. 66 |
References | p. 68 |
Raman scattering by LO phonons in semiconductors: The role of the Franz-Keldysh effect | p. 70 |
Introduction | p. 70 |
Observation of forbidden LO phonon scattering at surface of n-InSb | p. 72 |
Role of the Franz-Keldysh effect in Raman scattering by LO phonons | p. 75 |
Electric field-induced scattering by odd parity LO phonons | p. 76 |
Microscopic theory of electric field-induced Raman scattering by LO phonons | p. 77 |
Raman scattering by LO phonons in crossed electric and magnetic fields | p. 79 |
Concluding remarks | p. 81 |
References | p. 82 |
Phenomena in cold exciton gases: From theory to experiments | p. 83 |
Introduction | p. 83 |
Stimulated kinetics of excitons | p. 86 |
Pattern formation in the exciton system | p. 88 |
The inner exciton ring | p. 91 |
The external exciton ring | p. 93 |
The localized bright spots | p. 94 |
The macroscopically ordered exciton state | p. 94 |
References | p. 98 |
Composite fermions and the fractional quantum Hall effect in a two-dimensional electron system | p. 101 |
Fractional quantum Hall effect | p. 101 |
Composite fermions in a nutshell | p. 103 |
Experimental proof for the existence of composite fermions | p. 104 |
Cyclotron resonance of composite fermions | p. 107 |
Outlook | p. 113 |
References | p. 114 |
Microcavities with quantum dots: Weak and strong coupling regimes | p. 115 |
Introduction | p. 115 |
Experiment | p. 119 |
MC pillar emission | p. 121 |
Weak coupling regime: Purcell effect | p. 123 |
MC emission: Theory | p. 127 |
Fit of the MC emission spectra: Weak and strong coupling regimes | p. 130 |
Conclusions | p. 132 |
References | p. 132 |
Dynamics of cold excitons and electron-hole ensembles in direct-gap semiconductors studied by mid-infrared pump and probe spectroscopy | p. 135 |
Introduction | p. 135 |
Electron-hole liquid formation via exciton resonant excitation in CuCl | p. 137 |
Search for EHL phase in direct gap semiconductors | p. 137 |
Time-resolved photoluminescence measurements under resonant excitation of excitons above Mott transition density | p. 139 |
Mid-infrared transient reflection spectroscopy | p. 139 |
Discussion: Electron-hole antidroplet formation | p. 144 |
Excitonic Lyman spectroscopy in Cu[subscript 2]O | p. 145 |
Search for exciton BEC | p. 145 |
Excitons in Cu[subscript 2]O | p. 146 |
Excitonic Lyman transition | p. 147 |
Time-resolved excitonic Lyman spectroscopy | p. 149 |
Exciton cold collision and ortho- to paraexciton conversion | p. 157 |
Conclusion | p. 159 |
References | p. 160 |
Exciton coherence | p. 163 |
Introduction | p. 163 |
Excitonic instability of a semiconductor: Elementary concepts | p. 166 |
Keldysh mean field theory | p. 167 |
Pseudospins and two-level system analogies | p. 169 |
Some other physical systems | p. 170 |
BEC of quantum magnets | p. 170 |
Quantum Hall bilayers | p. 171 |
Polaritons | p. 172 |
Further symmetry breaking, superfluidity, and decoherence | p. 174 |
Lattice effects and relation to charge density waves | p. 174 |
Dynamics and decoherence | p. 176 |
Conclusion | p. 177 |
References | p. 178 |
Inelastic light scattering by low-lying excitations of quantum Hall fluids | p. 182 |
Introduction | p. 182 |
Inelastic light scattering by low-dimensional electron systems | p. 183 |
Light scattering in the quantum Hall regimes | p. 186 |
Charge and spin excitations at v = 1/3 | p. 189 |
Spin-flip excitations at v = 2/5 | p. 189 |
Spin excitations in double layers at v = 1 | p. 190 |
Overview of recent results | p. 191 |
Concluding remarks | p. 194 |
References | p. 195 |
Remarks on surface-atom forces in London and Lifshitz limits | p. 197 |
Introduction | p. 197 |
Atom-surface energy | p. 198 |
Longitudinal Green's function | p. 199 |
Conclusion | p. 201 |
References | p. 201 |
Modern trends in semiconductor spintronics | p. 203 |
Introduction | p. 203 |
Electrical spin operation | p. 204 |
Spin interference phenomena | p. 205 |
Spin injection: Optical and electrical | p. 206 |
Transport in media with spin-orbit coupling | p. 208 |
Macro- and mesoscopic spin Hall effect | p. 209 |
Related systems | p. 210 |
References | p. 211 |
Excitonic insulators, electron-hole liquids and metal-insulator transitions | p. 214 |
Introduction | p. 214 |
Excitonic insulators, electron-hole liquids and metal-insulator transitions due to band crossing | p. 215 |
The Mott transition | p. 220 |
Conclusions | p. 225 |
References | p. 225 |
Electron-hole liquid in semiconductors | p. 227 |
Introduction | p. 227 |
Microscopic properties and main thermodynamic parameters of the EHL | p. 228 |
Stability of the EHL | p. 232 |
Phase diagrams | p. 234 |
Macroscopic structure of the EHL | p. 235 |
Kinetics of exciton condensation | p. 237 |
Recombination kinetics | p. 240 |
Motion of the EHDs under external forces | p. 242 |
Giant EHDs | p. 244 |
Phonon wind | p. 245 |
Spatial structure and dynamics of the EHD cloud | p. 248 |
Conclusion | p. 251 |
References | p. 252 |
Collective state of interwell excitons in double quantum well heterostructures | p. 258 |
Introduction | p. 258 |
Experimental | p. 264 |
Phase diagram | p. 264 |
Luminescence kinetics and spin relaxation | p. 269 |
Condensation of interwell excitons in a nonuniform electric field | p. 272 |
Spatially resolved collective state in a Bose gas of interacting interwell excitons | p. 275 |
Conclusion | p. 281 |
References | p. 282 |
Bose-Einstein condensation of excitons: Promise and disappointment | p. 285 |
A short history of exciton condensation | p. 285 |
The ideal Bose gas in a trap | p. 289 |
Excitons in coupled quantum wells | p. 291 |
Dynamical T-matrix theory | p. 295 |
References | p. 298 |
Acoustically induced superlattices: From photons and electrons to excitons, TO-phonons and polaritons | p. 301 |
Introduction | p. 301 |
The acoustically induced quasi-energy spectrum of bulk polaritons | p. 304 |
Macroscopic equations of resonant acousto-optics | p. 308 |
Microcavity polaritons parametrically driven by a SAW | p. 311 |
SAW-induced Bragg scattering of microcavity polaritons | p. 313 |
Acoustically-driven TO-phonons for THz spectroscopy | p. 316 |
Conclusions | p. 320 |
References | p. 320 |
Inelastic tunneling spectroscopy of single surface adsorbed molecules | p. 323 |
Introduction | p. 323 |
Keldysh-Green's functions and inelastic tunneling | p. 328 |
Hamiltonian and formulation of the inelastic tunneling problem | p. 329 |
Keldysh-Green's functions | p. 330 |
Triangular and [plus or minus] representations | p. 332 |
Calculation of adsorbate and vibrational densities and tunneling current | p. 335 |
Adsorbate retarded Green's function | p. 335 |
Vibrational retarded Green's function | p. 336 |
Adsorbate occupation function | p. 337 |
Vibrational occupation function | p. 337 |
Tunneling current | p. 338 |
Discussion and some numerical results | p. 339 |
References | p. 345 |
Index | p. 349 |
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