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Creators/Authors contains: "Muleady, Sean R"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Science)
    Long-range and anisotropic dipolar interactions profoundly modify the dynamics of particles hopping in a periodic lattice potential. We report the realization of a generalizedt-Jmodel with dipolar interactions using a system of ultracold fermionic molecules with spin encoded in the two lowest rotational states. We independently tuned the dipolar Ising and spin-exchange couplings and the molecular motion and studied their interplay on coherent spin dynamics. Using Ramsey spectroscopy, we observed and modeled interaction-driven contrast decay that depends strongly both on the strength of the anisotropy between Ising and spin-exchange couplings and on motion. This study paves the way for future exploration of kinetic spin dynamics and quantum magnetism with highly tunable molecular platforms in regimes that are challenging for existing numerical and analytical methods. 
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    Free, publicly-accessible full text available April 25, 2026
  2. ; ; ; ; ; ; ; (, Physical Review Letters)
    Free, publicly-accessible full text available November 1, 2025
  3. ; ; ; ; (, Quantum Science and Technology)
    Abstract We propose protocols for the creation of useful entangled states in a system of spins collectively coupled to a bosonic mode, directly applicable to trapped-ion and cavity QED setups. The protocols use coherent manipulations of the resonant spin-boson interactions naturally arising in these systems to prepare spin squeezed states exponentially fast in time. The resonance condition harnesses the full spin-boson coupling and thus avoids the slower timescales when operating in the off-resonance regime. We demonstrate the robustness of the protocols by analyzing the effects of natural sources of decoherence in these systems and show their advantage compared to more standard slower approaches where entanglement is generated with off-resonant spin-boson interactions. 
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  4. ; ; ; (, Physical Review Letters)
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  5. ; ; ; ; ; ; ; (, Nature)
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  6. ; ; ; ; (, Physical Review Research)
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  7. ; ; ; ; ; ; ; (, Physical Review A)
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