TY - JOUR
T1 - A generalisation of Temple's lower bound to eigenvalues
AU - Cohen, M.
AU - Feldmann, T.
PY - 1979
Y1 - 1979
N2 - Temple's classic lower bound to eigenvalues (1928) has been strengthened by using a set of approximate eigenfunctions, instead of a single approximation, to calculate first and second moments of the system Hamiltonian. The improved accuracy, for both ground and excited states, can be considerable.
AB - Temple's classic lower bound to eigenvalues (1928) has been strengthened by using a set of approximate eigenfunctions, instead of a single approximation, to calculate first and second moments of the system Hamiltonian. The improved accuracy, for both ground and excited states, can be considerable.
UR - http://www.scopus.com/inward/record.url?scp=0042240033&partnerID=8YFLogxK
U2 - 10.1088/0022-3700/12/17/007
DO - 10.1088/0022-3700/12/17/007
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AN - SCOPUS:0042240033
SN - 0022-3700
VL - 12
SP - 2771
EP - 2779
JO - Journal of Physics B: Atomic and Molecular Physics
JF - Journal of Physics B: Atomic and Molecular Physics
IS - 17
M1 - 007
ER -