Isotope Effect in Strongly Coupled High Temperature Superconductors in the Presence of Electron-Plasmon Interaction

REFERENCES

• B Batlogg, Gr Kourouklis, W Weber, R J Cava, A Jayarama, A E White, K J Short. L W Rupp & E A Rietmann, Non zero isotope effect in La1.85Sr0.15CuO4, Phys Rev Lett, vol 59, pp 912–914, 1987.
   PubMed Web of Science ®Google Scholar
• T A Faltens, W K Ham, S W Keller, K J Leary, J N Michaels, A M Stacy, H C Zur Loye, D E Morris, T W Barbee III, L C Bourne, M L Cohen, S Hoen & Z Zettle, Observation of an oxygen isotope shift in the superconducting transition temperature of La1.85Sr0.15CuO4, Phys Rev Lett, vol 59, pp 915–918, 1987.
   PubMed Web of Science ®Google Scholar
• K J Leary, H C Zur Loye, S W Keller, T A Faltens, W K Ham, J N Michaels & A M Stacy, Observation of an oxygen isotope effect in YBa2Cu3O7, Phys Rev Lett, vol 59, pp 1236–1239, 1987.
   PubMed Web of Science ®Google Scholar
• M K Crawford, M N Kunchur, W E Farneth, E M Mc Carron III & S J Poon, Anomalous oxygen isotope effect in La2-xSrxCuO4, Phys Rev B, vol 41, pp 282–287, 1990.
   PubMed Web of Science ®Google Scholar
• J Niemeyer, M R Dietrich & C Politis, AC-Josephan effect in YBa2Cu3O7/PbSn point contact junctions, Z Phys B Condensed Matter, vol 67, pp 155–158, 1987.
   Google Scholar
• CE Gough, M S Colclough, E M Forgan, R G Jordan, M Keene, C M Muirhead, A I M Rae, N Thomas, J S Abell & S Sutton, Flux quantization in high-Tc superconductors, Nature, vol 326, p 855, 1987.
   Web of Science ®Google Scholar
• W A Little, Experimental constraints on theories of high temperature superconductors, Science, vol 242, pp 1390–1395, 1988.
   PubMed Web of Science ®Google Scholar
• C C Tsuei, D M Newns, C C Chi & P C Pattnaik, Anomalous isotope effect and van-Hove singularity in superconducting Cu Oxides, Phys Rev Lett, vol 65, pp 2724–2727, 1990.
   PubMed Web of Science ®Google Scholar
• ML Cohen, Superconductivity in low-carrier-density systems: degenerate semiconductors, Superconductivity, R D Parks (ed), Marcel Dekker, New York, 1969, pp 615–664.
   Google Scholar
• D Y Xing, M Liu & C D Gong, Van-Hove singularity and isotope effect in high Tc-copper oxides, Phys Rev B, vol 44, pp 12525–12530, 1991.
   PubMed Web of Science ®Google Scholar
• J Labbe & J Bok, Role of bidimensionality in superconducting Copper oxides of mixed valency, Europhys Lett, vol 3, pp 1225–1228, 1987.
   Google Scholar
• SP Tewari & Paramjeet Kaur Gumber, Effect of fractons in strongly coupled superconductors, Rapid Publication Phys Rev B, vol 41, pp 2619–2622, 1990.
   PubMed Web of Science ®Google Scholar
• S P Tewari & Paramjeet Kaur Gumber, Effect of thermal phonons and two-dimensional plasmons in YBa2Cu3O7 Physica C, vol 167, pp 307–311,1990.
   Web of Science ®Google Scholar
• S P Tewari & Paramjeet Kaur Gumber, Effect of anisotropic phonons and planar acoustic plasmons on superconductivity in lanthanum cuprates, Physica C, vol 168, pp 647–651, 1990.
   Web of Science ®Google Scholar
• S P Tewari & Paramjeet Kaur Gumber, Effect of plasmons on the critical temperature of lanthanum and yttrium based high temperature superconductors, Physica C, vol 171, pp 147–150, 1990.
   Web of Science ®Google Scholar
• W L McMillan, Transition temperature of strong-coupled superconductors, Phys Rev, vol 167, pp 331–334, 1968.
   Web of Science ®Google Scholar
• G M Eliashberg, Interactions between electrons and lattice vibrations in a superconductor, Soviet Phys-JEPT, vol 11, pp 696–702, 1960.
   Google Scholar
• T A Faltens, W K Ham, S W Keller, K J Leary, J N Michaels, A M Stacy, H C Zur Loye, D E Morris, T W Barbee III, L C Bourne, M L Cohen, S Hoen & Z Zettle, Observation of an oxygen isotope shift in the superconducting transition temperature of La 1.85Sro.15CuO4, Phys Rev Lett, vol 59, pp 915–918, 1987.
   PubMed Web of Science ®Google Scholar
• R Akis & J P Carbotte, Isotope effect for very large Coulomb pseudopotential, Phys Rev B, vol 41, pp 1166111664, 1990.
   Google Scholar
• Rujijannakul P Saengthien & S Yoksan, Effect of gap anisptropy and plasmons on the critical temperature of high-Tc. superconductors, Solid State Comm, vol 83, pp 431–434, 1992.
   Web of Science ®Google Scholar
• NN Boggoliubov, V V Tolmachev & D V Shirkov, A New method in the theory of superconductivity, Academy of Sciences USSR, 1958; translation, Consultants Bureau, New York, 1959.
   Google Scholar
• P Morel & P W Anderson, Calculation of the superconducting state parameters with retarded electron-phonon interaction, Phys Rev, vol 125, pp 1263–1271, 1962.
   Web of Science ®Google Scholar
• L L Daemen & A W Overhauser, Isotope effect at higher critical temperatures, Phys Rev B, vol 41, pp 7182–7184, 1990.
   PubMed Web of Science ®Google Scholar
• S Yoksen, Isotope effect in high-Tc, superconductors, Solid State Comm, vol 78, pp 233–236, 1991.
   Web of Science ®Google Scholar
• David Allender, James Bray & John Bardeen, Model for an exciton mechanism of superconductivity, Phys Rev B, vol 7, pp 1020–1029, 1973.
   Web of Science ®Google Scholar