On Monday, January 14, 2019 at 4:58:52 PM UTC-6, [email protected] wrote: > > > > On Monday, January 14, 2019 at 10:27:19 AM UTC, Philip Thrift wrote: >> >> >> >> On Monday, January 14, 2019 at 2:53:53 AM UTC-6, [email protected] >> wrote: >>> >>> >>> >>> On Monday, January 14, 2019 at 6:12:43 AM UTC, Brent wrote: >>>> >>>> >>>> >>>> On 1/13/2019 9:51 PM, [email protected] wrote: >>>> >>>> This means, to me, that the arbitrary phase angles have absolutely no >>>> effect on the resultant interference pattern which is observed. But isn't >>>> this what the phase angles are supposed to effect? AG >>>> >>>> >>>> The screen pattern is determined by *relative phase angles for the >>>> different paths that reach the same point on the screen*. The >>>> relative angles only depend on different path lengths, so the overall >>>> phase >>>> angle is irrelevant. >>>> >>>> Brent >>>> >>> >>> The Stackexchange links affirm the existence of interference for >>> *relative* phase angles, but say nothing about different path lengths, >>> which is the way I've previously thought of interference. So I remain >>> confused on the subject of quantum interference and its relation to >>> relative phase angles. AG >>> >> >> >> Each path going to screen has a UCN* (unit complex number). For screen >> locations that get their paths with UCNs that are in the same general >> direction (as a vector in the complex plane, angle or phase), the sum of >> those UCNs will be a complex number with a big length. For other screen >> locations, the path UCNs when summed will cancel each other out. Hence the >> light and dark lines on the screen. >> >> * UCN: unit complex numbers [ https://en.wikipedia.org/wiki/Circle_group >> ] >> >> "In mathematics, the circle group, denoted by T, is the multiplicative >> group of all complex numbers with absolute value 1, that is, the unit >> circle in the complex plane or simply the unit complex numbers." >> >> - pt >> > > Thanks, but I don't think you understand the issue I raised. I discussed > two ways to apply relative phases, which results in different > probabilities. AG >
I don't how "relative" helps with anything, but a phase is what it is: A physical basis for the phase in Feynman path integration https://arxiv.org/abs/quant-ph/0411005 - pt -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
