Ana María Rey
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View article: Prethermal gauge structure and surface growth in $\mathbb{Z}_2$ lattice gauge theories
Prethermal gauge structure and surface growth in $\mathbb{Z}_2$ lattice gauge theories Open
Universal aspects of thermalization in interacting many-body systems are typically challenging to derive microscopically, yet provide a powerful framework for understanding emergent phenomena. Here, we numerically study the mean-field dyna…
View article: Generating Entangled Steady States in Multistable Open Quantum Systems via Initial State Control
Generating Entangled Steady States in Multistable Open Quantum Systems via Initial State Control Open
Entanglement underpins the power of quantum technologies, yet it is fragile and typically destroyed by dissipation. Paradoxically, the same dissipation, when carefully engineered, can drive a system toward robust entangled steady states. H…
View article: Parametric Amplification of Spin-Motion Coupling in Three-Dimensional Trapped-Ion Crystals
Parametric Amplification of Spin-Motion Coupling in Three-Dimensional Trapped-Ion Crystals Open
Three-dimensional (3D) crystals offer a route to scale up trapped ion systems for quantum sensing and quantum simulation applications. However, engineering coherent spin-motion couplings and effective spin-spin interactions in large crysta…
View article: Effects of Small-Chain Superexchange Dynamics on Spin-Orbit Coupled Clock Spectroscopy
Effects of Small-Chain Superexchange Dynamics on Spin-Orbit Coupled Clock Spectroscopy Open
Optical lattice clocks have set records in clock precision and accuracy. Continuing to advance their performance, via probing as many atoms for the longest interrogation time affordable, requires experimentally and theoretically studying a…
View article: Lieb-Mattis states for robust entangled differential phase sensing
Lieb-Mattis states for robust entangled differential phase sensing Open
Developing sensors with large particle numbers $N$ that can resolve subtle physical effects is a central goal in precision measurement science. Entangled quantum sensors can surpass the standard quantum limit (SQL), where the signal varian…
View article: Atomic Coherence of 2 minutes and Instability of 1.5E-18 at 1 s in a Wannier-Stark Lattice Clock
Atomic Coherence of 2 minutes and Instability of 1.5E-18 at 1 s in a Wannier-Stark Lattice Clock Open
We explore the limits of atomic coherence and measurement precision in a 87Sr optical lattice clock. We perform a detailed characterization of key effects, including lattice Raman scattering and atomic collisions in a shallow lattice confi…
View article: Time-Resolved Spectral Gap Spectroscopy in a Quantum Simulator of Fermionic Superfluidity inside an Optical Cavity
Time-Resolved Spectral Gap Spectroscopy in a Quantum Simulator of Fermionic Superfluidity inside an Optical Cavity Open
We use an ensemble of laser-cooled strontium atoms in a high-finesse cavity to cleanly emulate the technique of rf spectroscopy employed in studies of BEC-BCS physics in fermionic superfluids of degenerate cold gases. Here, we leverage the…
View article: A dissipation-induced superradiant transition in a strontium cavity-QED system
A dissipation-induced superradiant transition in a strontium cavity-QED system Open
Driven-dissipative many-body systems are ubiquitous in nature and a fundamental resource for quantum technologies. However, they are also complex and hard to model because they cannot be described by the standard tools in equilibrium stati…
View article: Observation of generalized <i>t-J</i> spin dynamics with tunable dipolar interactions
Observation of generalized <i>t-J</i> spin dynamics with tunable dipolar interactions Open
Long-range and anisotropic dipolar interactions profoundly modify the dynamics of particles hopping in a periodic lattice potential. We report the realization of a generalized t-J model with dipolar interactions using a system of ultracold…
View article: Measurement-induced phase transitions in monitored infinite-range interacting systems
Measurement-induced phase transitions in monitored infinite-range interacting systems Open
A key challenge in observing measurement-induced phase transitions is the mitigation of the post-selection barrier, which causes the reproducibility of specific sequences of measurement readouts—the trajectory—to be exponentially small in …
View article: Solitons in arbitrary dimensions stabilized by photon-mediated interactions
Solitons in arbitrary dimensions stabilized by photon-mediated interactions Open
We propose a scheme to generate solitons in arbitrary dimensions, in a matter-wave interferometer, without the need of quantum degeneracy. In our setting, solitons emerge by balancing the single-particle dispersion with engineered cavity-m…
View article: Generating Einstein-Podolsky-Rosen correlations for teleporting collective spin states in a two-dimensional trapped ion crystal
Generating Einstein-Podolsky-Rosen correlations for teleporting collective spin states in a two-dimensional trapped ion crystal Open
We propose the use of phonon-mediated interactions as an entanglement resource to engineer Einstein-Podolsky-Rosen correlations and to perform teleportation of collective spin states in two-dimensional ion crystals. We emulate continuous v…
View article: Emergent interaction-induced topology in Bose-Hubbard ladders
Emergent interaction-induced topology in Bose-Hubbard ladders Open
We investigate the quantum many-body dynamics of bosonic atoms hopping in a two-leg ladder with strong on-site contact interactions. We observe that when the atoms are prepared in a staggered pattern with pairs of atoms on every other rung…
View article: A symmetry-protected topological optical lattice clock
A symmetry-protected topological optical lattice clock Open
We theoretically propose a tunable implementation of symmetry-protected topological phases in a synthetic superlattice, taking advantage of the long coherence time and exquisite spectral resolutions offered by gravity-tilted optical lattic…
View article: Entanglement Generation in Weakly Driven Arrays of Multilevel Atoms via Dipolar Interactions
Entanglement Generation in Weakly Driven Arrays of Multilevel Atoms via Dipolar Interactions Open
We investigate the driven-dissipative dynamics of multilevel atomic arrays interacting via dipolar interactions at subwavelength spacings. Unlike two-level atoms in the weakly excited regime, multilevel atoms can become strongly entangled.…
View article: Directional Superradiance in a Driven Ultracold Atomic Gas in Free Space
Directional Superradiance in a Driven Ultracold Atomic Gas in Free Space Open
Ultracold atomic systems are among the most promising platforms that have the potential to shed light on the complex behavior of many-body quantum systems. One prominent example is the case of a dense ensemble illuminated by a strong coher…
View article: Measuring Bipartite Spin Correlations of Lattice-Trapped Dipolar Atoms
Measuring Bipartite Spin Correlations of Lattice-Trapped Dipolar Atoms Open
We demonstrate a bipartition technique using a superlattice architecture to access correlations between alternating planes of a mesoscopic array of spin-3 chromium atoms trapped in a 3D optical lattice. Using this method, we observe that o…
View article: Realization of three and four-body interactions between momentum states in a cavity through optical dressing
Realization of three and four-body interactions between momentum states in a cavity through optical dressing Open
Paradigmatic spin Hamiltonians in condensed matter and quantum sensing typically utilize pair-wise or 2-body interactions between constituents in the material or ensemble. However, there is growing interest in exploring more general $n$-bo…
View article: Measurement-induced phase transitions in monitored infinite-range interacting systems
Measurement-induced phase transitions in monitored infinite-range interacting systems Open
A key challenge in observing measurement-induced phase transitions is the mitigation of the post-selection barrier, which causes the reproducibility of specific sequences of measurement readouts--the trajectory--to be exponentially small i…
View article: Many-body gap protection of motional dephasing of an optical clock transition
Many-body gap protection of motional dephasing of an optical clock transition Open
Quantum simulation and metrology with atoms, ions, and molecules often rely on using light fields to manipulate their internal states. The absorbed momentum from the light fields can induce spin-orbit coupling and associated motional-induc…
View article: Time-resolved pairing gap spectroscopy in a quantum simulator of fermionic superfluidity inside an optical cavity
Time-resolved pairing gap spectroscopy in a quantum simulator of fermionic superfluidity inside an optical cavity Open
We use an ensemble of laser-cooled strontium atoms in a high-finesse cavity to cleanly emulate the technique of rf spectroscopy employed in studies of BEC-BCS physics in fermionic superfluids of degenerate cold gases. Here, we leverage the…
View article: A dissipation-induced superradiant transition in a strontium cavity-QED system
A dissipation-induced superradiant transition in a strontium cavity-QED system Open
In cavity quantum electrodynamics (QED), emitters and a resonator are coupled together to enable precise studies of quantum light-matter interactions. Over the past few decades, this has led to a variety of quantum technologies such as mor…
View article: Bilayer Crystals of Trapped Ions for Quantum Information Processing
Bilayer Crystals of Trapped Ions for Quantum Information Processing Open
Trapped-ion systems are a leading platform for quantum information processing, but they are currently limited to 1D and 2D arrays, which imposes restrictions on both their scalability and their range of applications. Here, we propose a pat…
View article: Trade-offs between unitary and measurement induced spin squeezing in cavity QED
Trade-offs between unitary and measurement induced spin squeezing in cavity QED Open
We study the combined effects of measurements and unitary evolution on the preparation of spin squeezing in an ensemble of atoms interacting with a single electromagnetic field mode inside a cavity. We derive simple criteria that determine…
View article: Relaxation in dipolar spin ladders: From pair production to false-vacuum decay
Relaxation in dipolar spin ladders: From pair production to false-vacuum decay Open
The authors demonstrate how the interplay between intrachain and interchain interactions in a dipolar spin chain results in three distinct relaxation regimes: ergodic, characterized by rapid relaxation towards equilibrium; metastable, wher…
View article: Sub-millisecond Entanglement and iSWAP Gate between Molecular Qubits
Sub-millisecond Entanglement and iSWAP Gate between Molecular Qubits Open
Quantum computation (QC) and simulation rely on long-lived qubits with controllable interactions. Early work in quantum computing made use of molecules because of their readily available intramolecular nuclear spin coupling and chemical sh…
View article: Entangled Matter-waves for Quantum Enhanced Sensing
Entangled Matter-waves for Quantum Enhanced Sensing Open
The ability to create and harness entanglement is crucial to the fields of quantum sensing and simulation, and ultracold atom-cavity systems offer pristine platforms for this undertaking. Here, we present a method for creating and controll…