- #1
Fiziqs
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This is another one of those things that I had always assumed to have a very simple explanation. After all, I've seen so many simulations of waves interfering with each other and forming the distinctive interference pattern, and even watched the patterns emerge in actual water waves. The pattern was so familiar that I didn't even bother to give it any thought when I was told that the pattern produced by a double slit experiment is caused by interference. The pattern is there, it looks just like an interference pattern, so logically it's caused by interference.
But then in one of those moments of either enlightenment or confusion, I'm not sure which, the whole idea of an interference pattern in the double slit experiment seemed to make no logical sense at all, and here's why. When you watch a simulation of the double slit experiment, they will invariably show a series of waves being produced by the double slits, but if you're sending particles through one at a time, why are you getting a series of waves? Shouldn't you be getting just one wave from each slit? And one wave propagating from each of two slits isn't going to produce the familiar interference pattern is it? So where does the interference pattern come from? Or alternatively, where does the series of waves come from?
Obviously there's something that I'm missing, but I have no idea what it is. If someone could explain the flaw in my reasoning I would appreciate it.
Thanks
But then in one of those moments of either enlightenment or confusion, I'm not sure which, the whole idea of an interference pattern in the double slit experiment seemed to make no logical sense at all, and here's why. When you watch a simulation of the double slit experiment, they will invariably show a series of waves being produced by the double slits, but if you're sending particles through one at a time, why are you getting a series of waves? Shouldn't you be getting just one wave from each slit? And one wave propagating from each of two slits isn't going to produce the familiar interference pattern is it? So where does the interference pattern come from? Or alternatively, where does the series of waves come from?
Obviously there's something that I'm missing, but I have no idea what it is. If someone could explain the flaw in my reasoning I would appreciate it.
Thanks