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 -- 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.
