Trapped-ion optical clocks can observe quantum signatures of proper time such as vacuum-induced second-order Doppler shifts and proper-time interferometry when atomic motion is squeezed.
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A resonant beam-driven polarimetry method is proposed that treats stored beam polarization as a continuous observable, enabling phase-coherent detection, spin coherence times approaching 10^5 s, and T^{-3/2} statistical scaling for storage-ring EDM experiments.
In a minimal model of partially pumped atomic ensembles, collective dissipation induces interference that allows tuning linewidth from size-independent to extensive and photon statistics from antibunched to bunched via phase and pump rate.
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.
The ground-state scalar and vector polarizabilities of 162Dy were measured near 530 nm via spin-dependent light shifts near the 530.306 nm intercombination line and agree with atomic-structure calculations.
Light-induced losses dominate DyK Feshbach molecule decay in most near-IR traps, but near 2000 nm collisional losses appear and are suppressed by an order of magnitude for the most weakly bound dimers due to Pauli exclusion.
citing papers explorer
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Quantum signatures of proper time in optical ion clocks
Trapped-ion optical clocks can observe quantum signatures of proper time such as vacuum-induced second-order Doppler shifts and proper-time interferometry when atomic motion is squeezed.
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Continuous coherent spin-frequency metrology in storage rings via resonant beam-driven detection
A resonant beam-driven polarimetry method is proposed that treats stored beam polarization as a continuous observable, enabling phase-coherent detection, spin coherence times approaching 10^5 s, and T^{-3/2} statistical scaling for storage-ring EDM experiments.
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One knob to tune them all: Phase-controlled photon statistics and linewidth in partially pumped atomic ensembles
In a minimal model of partially pumped atomic ensembles, collective dissipation induces interference that allows tuning linewidth from size-independent to extensive and photon statistics from antibunched to bunched via phase and pump rate.
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Instability-Enhanced Quantum Sensing with Tunable Multibody Interactions
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.
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Determination of the ground state polarizability of $^{162}$Dy near 530 nm
The ground-state scalar and vector polarizabilities of 162Dy were measured near 530 nm via spin-dependent light shifts near the 530.306 nm intercombination line and agree with atomic-structure calculations.
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Optically trapped Feshbach molecules of fermionic $^{161}$Dy and $^{40}$K: Role of light-induced and collisional losses
Light-induced losses dominate DyK Feshbach molecule decay in most near-IR traps, but near 2000 nm collisional losses appear and are suppressed by an order of magnitude for the most weakly bound dimers due to Pauli exclusion.