AI Article Synopsis
- Cardy, Castro Alvaredo, and the author discovered a new way to understand how the entanglement of particles behaves when they are in big groups in a special kind of physics study called quantum field theory.
- Their finding shows that this behavior depends on what types of particles are there, not how they interact with each other.
- They think this idea could be true for many different kinds of particle models, even if they're not the same kind of simple models they studied.
Article Abstract
Recently, Cardy, Castro Alvaredo, and the author obtained the first exponential correction to saturation of the bipartite entanglement entropy at large region lengths in massive two-dimensional integrable quantum field theory. It depends only on the particle content of the model, and not on the way particles scatter. Based on general analyticity arguments for form factors, we propose that this result is universal, and holds for any massive two-dimensional model (also out of integrability). We suggest a link of this result with counting pair creations far in the past.
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| http://dx.doi.org/10.1103/PhysRevLett.102.031602 | DOI Listing |
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