id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-7674	Gutiérrez Altamirano, Izamar; Contreras-Astorga, Alonso; Raya Montaño , Alfredo	Time-dependent step-like potential with a freezable bound state in the continuum	2022	7	.pdf	application/pdf	4352	301	69	= y at t = 0. but before we had A = 0, one can still have a Schrödinger equation without vector potential by tuning appropriately the scalar potential.	cache/ap-7674.pdf	txt/ap-7674.txt