Evidence for a string-net matter

Details Evidence for a string-net matter Evidence for a string-net matter

2008-02-29

arxiv.org/abs/0802.4391v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

This paper has been withdrawn by the author because further experiments have shown incorrectness of the proposed interpretatio

Scientific paper

String-net theory by Xiao-Gang Wen and Michael Levin predicts a new type of matter - string-net matter - and puts forward an original guess regarding the structure of our universe. Here we provide experimental evidence for this matter. It is revealed in a familiar system - InAs-based asymmetric quantum well at tilted quantizing magnetic fields. By an original method we demonstrate the existence of peculiar charged particles those differ in principle from underlying electrons. In accordance with the theory, the particles are found to be strongly entangled on a macroscopic lengthscale but the entanglement differs fundamentally from the "classic" one in the sense that it is unrelated to particles' wavefunctions but is provided by a spesific mediating entity - a network of long-range strings. We argue that the peculiar charged particles are the string ends and, as an extreme of our argumentation, we provide strong evidence for "artificial" photons those are collective excitations of the strings.

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