Pairing in alkaline-earth-metal-doped fullerenes

D. M. Deaven; P. E. Lammert; D. S. Rokhsar

doi:10.1103/PhysRevB.52.16377

Pairing in alkaline-earth-metal-doped fullerenes

D. M. Deaven, P. E. Lammert, D. S. Rokhsar

Physics

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3 Scopus citations

Abstract

Among the alkaline-earth-metal-doped fullerenes are several superconductors: Ca5C60 (Tc=8.4 K), Ba6C60 (Tc=7 K), and Sr6C60 (Tc=4 K). While the relevant molecular orbitals of the alkali-metal-doped fullerenes has t1u symmetry, superconductivity in the alkaline-earth-metal-doped fullerenes is derived from the t1g level that lies immediately above the t1u manifold. We calculate and compare the effective on-ball pairing interaction in these states due to phonon exchange and electron-electron repulsion.

Original language	English (US)
Pages (from-to)	16377-16380
Number of pages	4
Journal	Physical Review B
Volume	52
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.52.16377
State	Published - 1995

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.52.16377

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abstract = "Among the alkaline-earth-metal-doped fullerenes are several superconductors: Ca5C60 (Tc=8.4 K), Ba6C60 (Tc=7 K), and Sr6C60 (Tc=4 K). While the relevant molecular orbitals of the alkali-metal-doped fullerenes has t1u symmetry, superconductivity in the alkaline-earth-metal-doped fullerenes is derived from the t1g level that lies immediately above the t1u manifold. We calculate and compare the effective on-ball pairing interaction in these states due to phonon exchange and electron-electron repulsion.",

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AU - Deaven, D. M.

AU - Lammert, P. E.

AU - Rokhsar, D. S.

PY - 1995

Y1 - 1995

N2 - Among the alkaline-earth-metal-doped fullerenes are several superconductors: Ca5C60 (Tc=8.4 K), Ba6C60 (Tc=7 K), and Sr6C60 (Tc=4 K). While the relevant molecular orbitals of the alkali-metal-doped fullerenes has t1u symmetry, superconductivity in the alkaline-earth-metal-doped fullerenes is derived from the t1g level that lies immediately above the t1u manifold. We calculate and compare the effective on-ball pairing interaction in these states due to phonon exchange and electron-electron repulsion.

AB - Among the alkaline-earth-metal-doped fullerenes are several superconductors: Ca5C60 (Tc=8.4 K), Ba6C60 (Tc=7 K), and Sr6C60 (Tc=4 K). While the relevant molecular orbitals of the alkali-metal-doped fullerenes has t1u symmetry, superconductivity in the alkaline-earth-metal-doped fullerenes is derived from the t1g level that lies immediately above the t1u manifold. We calculate and compare the effective on-ball pairing interaction in these states due to phonon exchange and electron-electron repulsion.

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Pairing in alkaline-earth-metal-doped fullerenes

Abstract

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