alpha2cen Posted October 20, 2012 Share Posted October 20, 2012 There are many particles in the Universe. We think that one particle has a space. Is it impossible two particles have one place? Any rules exist about space, i.c., one particle to one finite space? Link to comment Share on other sites More sharing options...
EquisDeXD Posted October 20, 2012 Share Posted October 20, 2012 (edited) There are many particles in the Universe. We think that one particle has a space. Is it impossible two particles have one place? Any rules exist about space, i.c., one particle to one finite space? In particle physics, particles don't have finite physical boundaries, and in particles physics they aren't treated as merely point-like objects in their natural state either. In non-classical versions of particle physics, particles have a sort of probability cloud, and can mathematically be described as a field. In this model, particles can occupy the same volume of space, but no more than two can occupy the same quantum state. And a quantum state is a set of intrinsic properties of a particle that determine it's shape. In this new model, there are wave mechanics which describe properties of particles. If you drop two stones in the water at the same time, the waves can overlap, and they will overlap differently depending on their angle and magnitude. Edited October 20, 2012 by EquisDeXD Link to comment Share on other sites More sharing options...
IM Egdall Posted October 21, 2012 Share Posted October 21, 2012 I believe also in a Bose-Einstein condensate -- where the temperature is close to absolute zero -- two particles, two atoms even, occupy the same space. See link: http://www.colorado.edu/physics/2000/bec/what_is_it.html Link to comment Share on other sites More sharing options...
swansont Posted October 21, 2012 Share Posted October 21, 2012 Bosons can be co-located. Fermions cannot. Link to comment Share on other sites More sharing options...
EquisDeXD Posted October 21, 2012 Share Posted October 21, 2012 (edited) Bosons can be co-located. Fermions cannot. But isn't that only if you define location as certain quantum states? Can't you have two electrons in the same sub-orbital? And can't the 3 dimensional models of the probabilities overlap? Edited October 21, 2012 by EquisDeXD Link to comment Share on other sites More sharing options...
swansont Posted October 21, 2012 Share Posted October 21, 2012 But isn't that only if you define location as certain quantum states? Can't you have two electrons in the same sub-orbital? And can't the 3 dimensional models of the probabilities overlap? You can have 2 electrons because you have 2 choices for spin. But that's it. If they were Bosons, you could have an arbitrary number. Link to comment Share on other sites More sharing options...
Pugdaddy Posted October 23, 2012 Share Posted October 23, 2012 Can you think of fermions as "things" that distort space? And bosons as "things" that do not distort space? If that is true then does it not follow that once a region of space is distorted in some configuration intrinsic to some fermion, that only that configuration(fermion) can distort(occupy) that region of space. And since bosons do not distort space they are unrestricted as to what regions of space they can occupy. Link to comment Share on other sites More sharing options...
swansont Posted October 23, 2012 Share Posted October 23, 2012 Can you think of fermions as "things" that distort space? And bosons as "things" that do not distort space? If that is true then does it not follow that once a region of space is distorted in some configuration intrinsic to some fermion, that only that configuration(fermion) can distort(occupy) that region of space. And since bosons do not distort space they are unrestricted as to what regions of space they can occupy. Distort, as in the general relativity sense? No, I don't think you can go down that path. Bosons can feel and exert gravity. And I don't know of a distorted space model other than GR. Link to comment Share on other sites More sharing options...
Pugdaddy Posted October 23, 2012 Share Posted October 23, 2012 Ok thanks and I was thinking of GR. I think where I went wrong is that I knew photons felt gravity, but since they have no mass, I didn't think they could generate a gravitational field. Link to comment Share on other sites More sharing options...
ecoli Posted October 24, 2012 Share Posted October 24, 2012 awesome diagram, thank you for the visual. Link to comment Share on other sites More sharing options...
ACG52 Posted October 24, 2012 Share Posted October 24, 2012 Someone showed alpha how to use paint and we've been suffering the results. Link to comment Share on other sites More sharing options...
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