A. John Berlinsky
University of Pennsylvania
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Physical Review B | 2005
Fei Lin; Jurij Smakov; Erik S. Sørensen; Catherine Kallin; A. John Berlinsky
Electronic energies are calculated for a Hubbard model on the C60 molecule using projector quantum Monte Carlo sQMCd methods. The calculations are performed to an accuracy high enough to determine the pairbinding energy for two electrons added to neutral C60. The method itself is checked against a variety of other quantum Monte Carlo methods as well as the exact diagonalization for smaller molecules. The conclusion is that the ground state with two extra electrons on one C60 molecule is a triplet, and, over the range of parameters where QMC is reliable, it has a slightly higher energy than the state with electrons on two separate molecules, so that the pair is unbound.
Physical Review Letters | 1977
A. J. Nijman; A. John Berlinsky
Physical Review Letters | 1991
An-Chang Shi; A. John Berlinsky
Physical Review B | 1973
A. John Berlinsky; W. N. Hardy
Physical Review B | 1973
A. Brooks Harris; A. John Berlinsky; Horst Meyer
Physical Review Letters | 1978
A. John Berlinsky; A. Brooks Harris
Physical Review B | 1973
W. N. Hardy; A. John Berlinsky
Physical Review B | 1972
A. John Berlinsky; Cornelius F. Coll
Physical Review Letters | 1970
Cornelius F. Coll; A. Brooks Harris; A. John Berlinsky
Physical Review A | 1970
A. John Berlinsky; A. Brooks Harris
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