Doubly Excited ^1,3F_e States of Two-Electron Atoms under Weakly Coupled Plasma Environment ^*

S. Dutta,J. K. Saha,S. Bhattacharyya,T. K. Mukherjee

Table 2 Variation of energy eigenvalues (-E) for the 2pnf (n = 4-6)^1,3F^e states of He and 2s, 2p states of He⁺w.r.t. the Debye screening length (D). All quantities are given in a.u.

D		¹F^e			³F^e		He+(2s)	He+(2p)
D	2p4f	2p5f	2p6f	2p4f	2p5f	2p6f	He+(2s)	He+(2p)
100	0.503 055	0.492 022	0.486 401	0.503 047	0.492 017	0.486 397	0.480 296	0.480 247
	0.502 956^a	0.491 928^a	0.486 314 5^a	0.502 952^a	0.491 925 5^a	0.486 313^a
	0.503 060 68^b			0.503 052 113^b
90	0.499 965	0.489 058	0.483 572	0.499 957	0.489 052	0.483 569	0.478 143	0.478 083
80	0.496 136	0.485 400	0.480 100	0.496 128	0.485 394	0.480 097	0.475 462	0.475 386
70	0.491 267	0.480 775	0.475 736	0.491 259	0.480 770	0.475 733	0.472 031	0.471 932
	0.491 074^a	0.480 599 5^a	0.475 583 5^a	0.491 070 5^a	0.480 597^a	0.475 580 5^a
60	0.484 869	0.474 742	0.470 087	0.484 862	0.474 737	0.470 085	0.467 484	0.467 350
50	0.476 090	0.466 543	0.462 494	0.476 083	0.466 539	0.462 493	0.461 173	0.460 981
	0.475 737 5^a	0.466 241 5^a	0.462 223 5^a	0.475 733 5^a	0.466 237^a	0.462 197^a
	0.476 090 624^b			0.476 087 092^b
40	0.463 300	0.454 773	0.451 782	0.463 293	0.454 770	0.451 781	0.451 823	0.451 525
	0.462 784^a	0.454 351^a		0.462 78^a	0.454 334^a
30	0.442 973	0.436 545	0.435 913	0.442 968	0.436 543	0.435 913	0.436 545	0.436 025
	0.442 158 5^a			0.442 148 5^a
20	0.406 087	0.405 856	0.405 709	0.406 086	0.405 856	0.405 709	0.407 104	0.405 970
	0.406 087 6^b			0.406 087 1^b
10	0.322 848	0.322 699	0.321 485	0.322 848	0.322 699	0.321 485	0.327 085	0.322 761