A scheme is developed to engineer strong three-body interactions in Rydberg atom lattices, allowing the effective Hamiltonian and emergent quantum phases to be modified compared to two-body-only systems.
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Long-range non-Hermitian XX spin chains show enhanced time and size scaling of dynamical quantum Fisher information for parameter estimation compared to short-range and Hermitian cases, with identical scaling at criticality for ground-state probes.
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Three-body interactions in Rydberg lattices
A scheme is developed to engineer strong three-body interactions in Rydberg atom lattices, allowing the effective Hamiltonian and emergent quantum phases to be modified compared to two-body-only systems.
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Quantum-enhanced sensing from the interplay of long-range interactions and non-Hermiticity
Long-range non-Hermitian XX spin chains show enhanced time and size scaling of dynamical quantum Fisher information for parameter estimation compared to short-range and Hermitian cases, with identical scaling at criticality for ground-state probes.