Alan McDougall Posted July 1, 2012 Share Posted July 1, 2012 Why is our universe asymmetrical instead of symmetrical of which it should be due to the fact that equal amounts of antimatter and matter were created in the Big Bang. These two opposites’ states of matter should have annihilated each other in an explosion of unimaginable proportions leaving a dead universe seething with gamma ray energy But luckily for us somehow this did not happen and we now live to pose this enigma one to the other. What are your thoughts? Alan Link to comment Share on other sites More sharing options...
alpha2cen Posted July 9, 2012 Share Posted July 9, 2012 Our present thinking. Quark + Gluon plasma---->same amount matter + anti matter More high temperature mixture (Quark + Gluon plasma + more smaller ones )--->? Link to comment Share on other sites More sharing options...
Alan McDougall Posted July 9, 2012 Author Share Posted July 9, 2012 Our present thinking. Quark + Gluon plasma---->same amount matter + anti matter More high temperature mixture (Quark + Gluon plasma + more smaller ones )--->? This makes no sense and is pure speculation, why would quark +gluon plasma = more smaller ones (what are those smaller ones suppposed to be by the way? Link to comment Share on other sites More sharing options...
alpha2cen Posted July 9, 2012 Share Posted July 9, 2012 This makes no sense and is pure speculation, why would quark +gluon plasma = more smaller ones (what are those smaller ones suppposed to be by the way? At the high energy state, entropy S must be increased. To increase entropy, particle number should be increased. How to increase particle number? Dividing them into more smaller ones. Is this reasonable way? Link to comment Share on other sites More sharing options...
Severian Posted July 9, 2012 Share Posted July 9, 2012 The current thinking is to use CP violating effects. Basically, the laws of physics are not the same for particles and antiparticles. This effect is know as CP violation, and is an observed phenomenon. So produce equal numbers of particles and antiparticles in the big bang, then evolves the particles and antiparticles separately. You then have slightly fewer antiparticles than particles so when they annihilate you have particles left over. The conditions required for this to happen are known as the Sakharov conditions. Unfortunately the CP violation observed so far is too small to do this... Link to comment Share on other sites More sharing options...
CaptainPanic Posted July 9, 2012 Share Posted July 9, 2012 As far as I understood, this is one of the main questions that we're all trying to answer now. Nobody knows for sure. Nobody knows why the universe started the way it was: why it started with a low entropy, why it was assymetrical. Here is a movie (TED conference, 15 minutes) that addresses some of these issues. It doesn't give an answer to your question though. Link to comment Share on other sites More sharing options...
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