Timeline for How to trap a particle without using potential field which is infinity at some point? (quantum physics) If impossible, how to prove it?

11 events

when toggle format	what		by	license	comment
May 31, 2021 at 15:01	history	edited	Alexandre Eremenko	CC BY-SA 4.0	added 16 characters in body
May 31, 2021 at 4:03	comment	added	lcv		Gosh of course! Thank you.
May 31, 2021 at 3:42	comment	added	Alexandre Eremenko		If a solution $y$ is zero on an open set, then $y(x_0)=0$ and $y'(z_0)=0$ for some $x_0$ in this open set. So by uniqueness it coincides with the solution $y_0(x)\equiv 0$, since they both satisfy the same ODE and same initial condition.
May 31, 2021 at 3:39	comment	added	lcv		If I'm not mistaken the sentence in brackets (If a solution is zero on an open set then it coincides everywhere with the zero solution) is essentially the definition of unique continuation property. How does uniqueness imply UCP?
S May 31, 2021 at 3:38	history	suggested	F Zaldivar	CC BY-SA 4.0	Fixed a reference
May 31, 2021 at 3:33	review	Suggested edits
S May 31, 2021 at 3:38
May 31, 2021 at 3:28	comment	added	LSpice		I think something happened with "systemes liniaires aux derivles partielles".
May 31, 2021 at 0:27	history	edited	Alexandre Eremenko	CC BY-SA 4.0	added 194 characters in body
May 31, 2021 at 0:12	history	edited	Alexandre Eremenko	CC BY-SA 4.0	added 90 characters in body
May 30, 2021 at 15:07	history	edited	Alexandre Eremenko	CC BY-SA 4.0	added 22 characters in body
May 30, 2021 at 14:57	history	answered	Alexandre Eremenko	CC BY-SA 4.0