Free-Fermionic Topological Quantum Sensors.
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DOI: 10.1103/physrevlett.129.090503
Abstract: Second order quantum phase transitions, with well-known features such as long-range entanglement, symmetry breaking, and gap closing, exhibit quantum enhancement for sensing at criticality. However, it is unclear which of these features are responsible for… read more here.
Keywords: quantum sensors; quantum; long range; topological quantum ... See more keywords