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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-455111
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.45511
Zusammenfassung
We numerically study the spectral properties, the entanglement and the zero-temperature phase structure at nonvanishing chemical potential of the O(3) nonlinear sigma model. Using matrix product states, a particular kind of one-dimensional tensor network state, we show that we are able to reach the asymptotic scaling regime and to reproduce the analytical predictions for the mass gap at vanishing ...
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