Controlling two-dimensional Coulomb crystals of more than 100 ions in a monolithic radio-frequency trap
Linear strings of trapped atomic ions held in radio-frequency (rf) traps constitute one of the
leading platforms for quantum simulation experiments, allowing the investigation of …
leading platforms for quantum simulation experiments, allowing the investigation of …
Benchmarking digital quantum simulations above hundreds of qubits using quantum critical dynamics
The real-time simulation of large many-body quantum systems is a formidable task, that may
only be achievable with a genuine quantum computational platform. Currently, quantum …
only be achievable with a genuine quantum computational platform. Currently, quantum …
Observation of quantum superposition of topological defects in a trapped-ion quantum simulator
Topological defects are discontinuities of a system protected by global properties, with wide
applications in mathematics and physics. While previous experimental studies mostly …
applications in mathematics and physics. While previous experimental studies mostly …
A site-resolved two-dimensional quantum simulator with hundreds of trapped ions
A large qubit capacity and an individual readout capability are two crucial requirements for
large-scale quantum computing and simulation. As one of the leading physical platforms for …
large-scale quantum computing and simulation. As one of the leading physical platforms for …
Large Deviations beyond the Kibble-Zurek Mechanism
The Kibble-Zurek mechanism (KZM) predicts that the average number of topological defects
generated upon crossing a continuous or quantum phase transition obeys a universal …
generated upon crossing a continuous or quantum phase transition obeys a universal …
Experimental realization of a multiqubit quantum memory in a 218-ion chain
Storage lifetime and capacity are two important factors to characterize the performance of a
quantum memory. Here we report the stable trapping of above 200 ions in a cryogenic …
quantum memory. Here we report the stable trapping of above 200 ions in a cryogenic …
Apparent delay of the Kibble-Zurek mechanism in quenched open systems
RD Jara Jr, JG Cosme - Physical Review B, 2024 - APS
We report an intermediate regime in the quench time, τ q, separating the usual validity of the
Kibble-Zurek mechanism (KZM) and its breakdown for rapid quenches in open systems …
Kibble-Zurek mechanism (KZM) and its breakdown for rapid quenches in open systems …
Simulating the spin-boson model with a controllable reservoir in an ion trap
The spin-boson model is a prototypical model for open quantum dynamics. Here we
simulate the spin-boson model using a chain of trapped ions in which a spin is coupled to a …
simulate the spin-boson model using a chain of trapped ions in which a spin is coupled to a …
Mean-field theories are simple for neural quantum states
The utilization of artificial neural networks for representing quantum many-body wave
functions has garnered significant attention, with enormous recent progress for both ground …
functions has garnered significant attention, with enormous recent progress for both ground …
A site-resolved 2d quantum simulator with hundreds of trapped ions under tunable couplings
A large qubit capacity and an individual readout capability are two crucial requirements for
large-scale quantum computing and simulation. As one of the leading physical platforms for …
large-scale quantum computing and simulation. As one of the leading physical platforms for …