Exact correlations in topological quantum chains
Although free-fermion systems are considered exactly solvable, they generically do not admit closed expressions for nonlocal quantities such as topological string correlations or entanglement measures. We derive closed expressions for such quantities for a dense subclass of certain classes of topolo...
Main Authors: | Jones, NG, Verresen, R |
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Format: | Journal article |
Language: | English |
Published: |
National Academy of Science of Ukraine
2023
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