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Q: 1 dimensional particles in 3 dimensional space ( No Answer,   2 Comments )
Subject: 1 dimensional particles in 3 dimensional space
Category: Science > Physics
Asked by: noaks-ga
List Price: $15.00
Posted: 10 Jul 2006 20:51 PDT
Expires: 09 Aug 2006 20:51 PDT
Question ID: 745165
In my understanding, string theory uses one dimenional particles.  Are
there theories of the universe and everything that start with 3
dimensional (or better 4 dimensional) particles?   Why or Why not?
There is no answer at this time.

Subject: Re: 1 dimensional particles in 3 dimensional space
From: qed100-ga on 11 Jul 2006 06:10 PDT
Particles in string theory aren't necessarily 1-D. It also features
2-D vibrating closed loops.

   But the dimensions of the strings themselves aren't the dimensions
of the whole Universe. The strings exist in space of a higher number
of dimensions.

   As for if there are theories with higher dimensioned particles, I'm
sure there are, though not in so-called mainstream physics.
Subject: Re: 1 dimensional particles in 3 dimensional space
From: f4hy-ga on 27 Jul 2006 21:48 PDT
String theory speculates that fudemental particles are not in 3
dimensional space at all but a space of 10 11 or 26.

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