Quantum metrology with nonclassical states of atomic ensembles
Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …
communications. This has stimulated the research in different areas of physics to engineer …
Quantum-enhanced sensing on optical transitions through finite-range interactions
The control over quantum states in atomic systems has led to the most precise optical atomic
clocks so far,–. Their sensitivity is bounded at present by the standard quantum limit, a …
clocks so far,–. Their sensitivity is bounded at present by the standard quantum limit, a …
Non-local propagation of correlations in quantum systems with long-range interactions
The maximum speed with which information can propagate in a quantum many-body system
directly affects how quickly disparate parts of the system can become correlated,,, and how …
directly affects how quickly disparate parts of the system can become correlated,,, and how …
Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …
reduction in the computational resources required to study the Lindblad dynamics of …
Quantum spin dynamics and entanglement generation with hundreds of trapped ions
Quantum simulation of spin models can provide insight into problems that are difficult or
impossible to study with classical computers. Trapped ions are an established platform for …
impossible to study with classical computers. Trapped ions are an established platform for …
Coherent many-body spin dynamics in a long-range interacting Ising chain
Coherent many-body quantum dynamics lies at the heart of quantum simulation and
quantum computation. Both require coherent evolution in the exponentially large Hilbert …
quantum computation. Both require coherent evolution in the exponentially large Hilbert …
Symmetries and conserved quantities in Lindblad master equations
This work is concerned with determination of the steady-state structure of time-independent
Lindblad master equations, especially those possessing more than one steady state. The …
Lindblad master equations, especially those possessing more than one steady state. The …
Spin squeezing by Rydberg dressing in an array of atomic ensembles
JA Hines, SV Rajagopal, GL Moreau, MD Wahrman… - Physical Review Letters, 2023 - APS
We report on the creation of an array of spin-squeezed ensembles of cesium atoms via
Rydberg dressing, a technique that offers optical control over local interactions between …
Rydberg dressing, a technique that offers optical control over local interactions between …
Entanglement growth in quench dynamics with variable range interactions
Studying entanglement growth in quantum dynamics provides both insight into the
underlying microscopic processes and information about the complexity of the quantum …
underlying microscopic processes and information about the complexity of the quantum …
Many-body dynamics of dipolar molecules in an optical lattice
We use Ramsey spectroscopy to experimentally probe the quantum dynamics of disordered
dipolar-interacting ultracold molecules in a partially filled optical lattice, and we compare the …
dipolar-interacting ultracold molecules in a partially filled optical lattice, and we compare the …