id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-7354	Haouam, Ilyas	Dirac oscillator in dynamical noncommutative space	2021	14	.pdf	application/pdf	7090	439	67	= E (0) − + E (0) + 2 ± √√√√(E(0) − − E (0) + )2 4 + λ2 |W12|2. Supposing that λ |W12| is small as compared to relevant energy scale, so that the difference of the energy eigenvalues of the unperturbed system equals λ |W12| < ∣∣∣E(0) − − E (0) + ∣∣∣ .	cache/ap-7354.pdf	txt/ap-7354.txt