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Author (up) Verbist, G.; Peeters, F.M.; Devreese, J.T. doi  openurl
  Title Extended stability region for large bipolarons through interaction with multiple phonon branches Type A1 Journal article
  Year 1992 Publication Ferroelectrics Abbreviated Journal Ferroelectrics  
  Volume 130 Issue 1-3 Pages 27-34  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract The large (bi)polaron is investigated for the case where the electron interacts with multiple LO-phonon branches. Explicit expressions for the groundstate energy and the effective mass are obtained within the Feynman polaron model approximation and they are applied to the material SrTiO3. The results of an effective LO-phonon branch approximation are compared with the results in which all LO-phonon branches are explicitly included. We show how the stability region for large bipolaron formation is enlarged when the electrons interact with multiple LO-phonon branches. The possible relevance of this result for the high-T(c) superconductors is pointed out.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication London Editor  
  Language Wos A1992JV42600004 Publication Date 2011-03-16  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0015-0193;1563-5112; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 0.469 Times cited 19 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:103065 Serial 1157  
Permanent link to this record
 
 
Author (up) Verbist, G.; Peeters, F.M.; Devreese, J.T. openurl 
  Title Large bipolarons in three and two dimensions Type A1 Journal article
  Year 1991 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 43 Issue Pages 2712-2720  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Lancaster, Pa Editor  
  Language Wos A1991FF08300030 Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1098-0121; 0163-1829 ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 155 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:911 Serial 1779  
Permanent link to this record
 
 
Author (up) Verbist, G.; Smondyrev, M.A.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Strong-coupling analysis of large bipolarons in 2 and 3 dimensions Type A1 Journal article
  Year 1992 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 45 Issue 10 Pages 5262-5269  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract In the limit of strong electron-phonon coupling, we use either a Pekar-type or an oscillator wave function for the center-of-mass coordinate and either a Coulomb or an oscillator wave function for the relative coordinate, and are able to reproduce all the results from the literature for the large-bipolaron binding energy. Lower bounds are constructed for the critical ratio eta(c) of dielectric constants below which bipolarons can exist. It is found that, in the strong-coupling limit, the stability region for bipolaron formation is much larger in two dimensions (2D) than in 3D. We introduce a model that combines the averaging of the relative coordinate over the asymptotically best wave function with a path-integral treatment of the center-of-mass motion. The stability region for bipolaron formation is increased compared with the full path-integral treatment at large values of the coupling constant alpha. The critical values are alpha(c) almost-equal-to 9.3 in 3D and alpha(c) almost-equal-to 4.5 in 2D. Phase diagrams for the presented models are also obtained in both 2D and 3D.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Lancaster, Pa Editor  
  Language Wos A1992HJ68900016 Publication Date 2002-07-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-1829;1095-3795; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 68 Open Access  
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #  
  Call Number UA @ lucian @ c:irua:103051 Serial 3178  
Permanent link to this record
 
 
Author (up) Verbist, G.; Smondyrev, M.A.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Strong-coupling analysis of large bipolarons in two and three dimensions Type A1 Journal article
  Year 1992 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 45 Issue Pages 5262-5269  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos A1992HJ68900016 Publication Date 2002-07-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-1829 ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 68 Open Access  
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #  
  Call Number UA @ lucian @ c:irua:2891 Serial 3179  
Permanent link to this record
 
 
Author (up) Wang, Y.J.; Nickel, H.A.; McCombe, B.D.; Peeters, F.M.; Hai, G.Q.; Shi, J.M.; Devreese, J.T.; Wu, X.G. openurl 
  Title Resonant magnetopolaron effects in GaAs/AlGaAs MQWs at high magnetic fields Type P3 Proceeding
  Year 1997 Publication Abbreviated Journal  
  Volume Issue Pages 797-800  
  Keywords P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher World Scientific Place of Publication Singapore Editor  
  Language Wos Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Additional Links UA library record  
  Impact Factor Times cited Open Access  
  Notes Approved Most recent IF: NA  
  Call Number UA @ lucian @ c:irua:19305 Serial 2890  
Permanent link to this record
 
 
Author (up) Wen, X.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Streaming-to-accumulation transition in a two-dimensional electron system in a polar semiconductor Type A1 Journal article
  Year 1992 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 46 Issue Pages 7571-7580  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos A1992JQ37800028 Publication Date 2002-07-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-1829 ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 13 Open Access  
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #  
  Call Number UA @ lucian @ c:irua:2913 Serial 3175  
Permanent link to this record
 
 
Author (up) Xu, W.; Leadley, D.R.; Peeters, F.M.; Devreese, J.T.; Nicholas, R.J.; Harris, J.J.; Foxon, C.T. openurl 
  Title Destruction of magnetophonon resonance in high mobility heterojunctions from competition between elastic and inelastic scattering Type P3 Proceeding
  Year 1994 Publication Proceedings of the International Conference on the Physics of Semiconductors Abbreviated Journal  
  Volume 22 Issue Pages 839-842  
  Keywords P3 Proceeding; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Additional Links UA library record  
  Impact Factor Times cited Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:9284 Serial 665  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. openurl 
  Title Diffusion-to-streaming transition in a two-dimensional electron system in a polar semiconductor Type A1 Journal article
  Year 1991 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 43 Issue Pages 14134-14141  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Lancaster, Pa Editor  
  Language Wos A1991FQ97400035 Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1098-0121; 0163-1829 ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 24 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:913 Serial 701  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Electrophonon resonances in a quasi-two-dimensional electron system Type A1 Journal article
  Year 1993 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 48 Issue 3 Pages 1562-1570  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract When the energy difference between two electric subbands in a quasi-two-dimensional electron system equals a LO-phonon energy, resonant scattering will occur. This leads to an enhancement of the scattering rate and, consequently, to a suppression of the conductivity. Changing the energy difference between the electric subbands (e.g., through a gate) leads to a series of electrophonon resonances in the conductivity. A detailed study is made of this effect for different confinement potentials. We found that the scattering processes where the emission of a phonon is involved are very important for the electrophonon resonance and that the size of the effect decreases with increasing temperature.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Lancaster, Pa Editor  
  Language Wos A1993LP05000024 Publication Date 2002-07-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-1829;1095-3795; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 45 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:5747 Serial 1022  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. openurl 
  Title The hot electron distribution of two-dimensional electrons in a polar semiconductor at zero temperature Type A3 Journal article
  Year 1991 Publication Journal of physics: C: condensed matter Abbreviated Journal  
  Volume 3 Issue Pages 1783-1791  
  Keywords A3 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Wos A1991FE35700009 Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor Times cited 1 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:948 Serial 1490  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Normal and hot electro-phonon resonance effect in a quasi-two-dimensional semiconductor system Type A1 Journal article
  Year 1993 Publication Journal of physics : condensed matter Abbreviated Journal J Phys-Condens Mat  
  Volume 5 Issue 15 Pages 2307-2320  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract The electro-phonon resonance effect is a consequence of a resonant interaction between two electric subbands mediated by an optical phonon. It occurs in a quasi-two-dimensional electron system each time the energy difference between two electric subbands equals the energy of a Lo phonon. We study the influence of this effect on the electron mobility by using the momentum balance equation. The temperature and electron density dependences of the resonances are studied in the linear and non-linear response regimes.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication London Editor  
  Language Wos A1993KX70100004 Publication Date 2002-08-25  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0953-8984;1361-648X; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 2.346 Times cited 18 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:102984 Serial 2367  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. url  doi
openurl 
  Title Streaming-to-accumulation transition in a 2-dimensional electron-system in a polar semiconductor Type A1 Journal article
  Year 1992 Publication Physical review : B : condensed matter and materials physics Abbreviated Journal Phys Rev B  
  Volume 46 Issue 12 Pages 7571-7580  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract Hot-electron transport is studied for a two-dimensional electron gas coupled to longitudinal-optical phonons in crossed electric and magnetic fields. At low electric and high magnetic fields the electrons are accumulated, while at high electric fields they are in a streaming state. We develop a streaming-to-accumulation transition model and compare the results with that from a Monte Carlo simulation.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Lancaster, Pa Editor  
  Language Wos A1992JQ37800028 Publication Date 2002-07-27  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0163-1829;1095-3795; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 3.736 Times cited 13 Open Access  
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #  
  Call Number UA @ lucian @ c:irua:103023 Serial 3174  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T. openurl 
  Title Warm-electron transport in a two-dimensional semiconductor Type A1 Journal article
  Year 1992 Publication Semiconductor science and technology Abbreviated Journal Semicond Sci Tech  
  Volume 7 Issue Pages 1251-1256  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication London Editor  
  Language Wos A1992JT73000006 Publication Date 0000-00-00  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0268-1242 ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 2.19 Times cited 3 Open Access  
  Notes Approved no  
  Call Number UA @ lucian @ c:irua:2915 Serial 3903  
Permanent link to this record
 
 
Author (up) Xu, W.; Peeters, F.M.; Devreese, J.T.; Leadley, D.R.; Nicholas, R.J. doi  openurl
  Title Destruction of magnetophonon resonance in high magnetic fields from impurity and phonon scattering in heterojunctions Type A1 Journal article
  Year 1996 Publication International journal of modern physics: B: condensed matter physics, statistical physics, applied physics Abbreviated Journal Int J Mod Phys B  
  Volume 10 Issue Pages 169-202  
  Keywords A1 Journal article; Condensed Matter Theory (CMT); Theory of quantum systems and complex systems  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Singapore Editor  
  Language Wos A1996TR56200002 Publication Date 2004-10-12  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0217-9792;1793-6578; ISBN Additional Links UA library record; WoS full record; WoS citing articles  
  Impact Factor 0.937 Times cited 11 Open Access  
  Notes Approved CHEMISTRY, PHYSICAL 54/144 Q2 # PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 9/35 Q2 #  
  Call Number UA @ lucian @ c:irua:15803 Serial 664  
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