Variational functionals for excited state saddle points versus traditional
Hylleraas–Undheim
and
McDonald
higher “roots,” and a way to instantly improve a lowest state crude approximant
2020 ◽
pp. 465-513
Keyword(s):
1974 ◽
Vol 32
◽
pp. 208-209
1996 ◽
Vol 54
◽
pp. 154-155
Keyword(s):
2020 ◽
Vol 22
(31)
◽
pp. 17659-17667
◽
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
1989 ◽
Vol 50
(8)
◽
pp. 887-898
◽