ELECTRONIC CORRELATIONS AND ELECTRON-PHONON COUPLING IN C-60

被引:6
作者
SALKOLA, MI
CHAKRAVARTY, S
KIVELSON, SA
机构
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1993年 / 7卷 / 15期
关键词
D O I
10.1142/S0217979293003073
中图分类号
O59 [应用物理学];
学科分类号
摘要
We study a model of a single molecule Of C60 to obtain an understanding of the interplay between the electron-electron and electron-phonon interactions in these molecules. In particular, we calculate the intramolecular phonon spectrum, infrared intensities, and the Raman intensities. We also find that when correlation effects are sufficiently strong, the Jahn-Teller distortion of the doubly charged molecule is suppressed. Thus, if the correlation effects are strong, the superconductivity in doped C60 cannot be mediated by intra-molecular Jahn-Teller phonons.
引用
收藏
页码:2859 / 2884
页数:26
相关论文
共 29 条
[1]   VIBRATIONAL RAMAN AND INFRARED-SPECTRA OF CHROMATOGRAPHICALLY SEPARATED C60 AND C70 FULLERENE CLUSTERS [J].
BETHUNE, DS ;
MEIJER, G ;
TANG, WC ;
ROSEN, HJ ;
GOLDEN, WG ;
SEKI, H ;
BROWN, CA ;
DEVRIES, MS .
CHEMICAL PHYSICS LETTERS, 1991, 179 (1-2) :181-186
[2]  
Born M., 1956, DYNAMICAL THEORY CRY
[3]  
CAPELLETTI RL, 1991, PHYS REV LETT, V66, P3261
[4]   SUPERCONDUCTIVITY OF DOPED FULLERENES [J].
CHAKRAVARTY, S ;
KIVELSON, S .
EUROPHYSICS LETTERS, 1991, 16 (08) :751-756
[5]   ELECTRONIC CORRELATION-EFFECTS AND SUPERCONDUCTIVITY IN DOPED FULLERENES [J].
CHAKRAVARTY, S ;
GELFAND, MP ;
KIVELSON, S .
SCIENCE, 1991, 254 (5034) :970-974
[6]   ISOTOPE EFFECT IN SUPERCONDUCTING FULLERENES [J].
CHAKRAVARTY, S ;
KIVELSON, SA ;
SALKOLA, MI ;
TEWARI, S .
SCIENCE, 1992, 256 (5061) :1306-1308
[7]  
CHAKRAVARTY S, UNPUB PHYS REV LETT
[8]   THE PLANAR VIBRATIONS OF BENZENE [J].
CRAWFORD, BL ;
MILLER, FA .
JOURNAL OF CHEMICAL PHYSICS, 1949, 17 (03) :249-256
[9]   LOW-ENERGY ELECTRONIC EXCITATIONS AND FANO RESONANCE IN K-DOPED C-60 FROM RAMAN-SCATTERING EXCITED AT 1.16EV [J].
DANIELI, R ;
DENISOV, VN ;
RUANI, G ;
ZAMBONI, R ;
TALIANI, C ;
ZAKHIDOV, AA ;
UGAWA, A ;
IMAEDA, K ;
YAKUSHI, K ;
INOKUCHI, H ;
KIKUCHI, K ;
IKEMOTO, I ;
SUZUKI, S ;
ACHIBA, Y .
SOLID STATE COMMUNICATIONS, 1992, 81 (03) :257-260
[10]   ICOSAHEDRAL C-60 - AN AROMATIC MOLECULE WITH A VANISHINGLY SMALL RING CURRENT MAGNETIC-SUSCEPTIBILITY [J].
ELSER, V ;
HADDON, RC .
NATURE, 1987, 325 (6107) :792-794