Multipartite entanglement in quantum phase transitions
Marco Gabbrielli
TL;DR
This paper investigates how multipartite entanglement can be detected in quantum critical systems, including spin and fermion models, across different temperatures, providing insights into quantum phase transitions.
Contribution
It offers new methods for witnessing multipartite entanglement in critical quantum systems at various temperatures.
Findings
Multipartite entanglement persists at quantum critical points.
Detection methods are effective at zero and finite temperatures.
Results enhance understanding of entanglement in phase transitions.
Abstract
This dissertation collects results about witnessing multipartite entanglement in critical spin systems and free-fermion models both at zero and finite temperature.
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Taxonomy
TopicsQuantum many-body systems · Quantum and electron transport phenomena · Quantum Information and Cryptography