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H. B. Kaplan

Researcher at University of Maryland, College Park

Publications -  16
Citations -  1559

H. B. Kaplan is an academic researcher from University of Maryland, College Park. The author has contributed to research in topics: Quantum simulator & Quantum computer. The author has an hindex of 11, co-authored 16 publications receiving 1119 citations. Previous affiliations of H. B. Kaplan include National Institute of Standards and Technology.

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Observation of a many-body dynamical phase transition with a 53-qubit quantum simulator

TL;DR: Here, a quantum simulator composed of up to 53 qubits is used to study non-equilibrium dynamics in the transverse-field Ising model with long-range interactions, enabling the dynamical phase transition to be probed directly and revealing computationally intractable features that rely on the long- range interactions and high connectivity between qubits.
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Quantum approximate optimization of the long-range Ising model with a trapped-ion quantum simulator.

TL;DR: This work applies a variational quantum algorithm (QAOA) to approximate the ground-state energy of a long-range Ising model, both quantum and classical, and investigates the algorithm performance on a trapped-ion quantum simulator, observing that the QAOA performance does not degrade significantly as the authors scale up the system size and that the runtime is approximately independent from the number of qubits.
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Cryogenic trapped-ion system for large scale quantum simulation

TL;DR: In this article, a segmented-blade ion trap enclosed in a 4 K cryostat was used to trap and hold over 100 171Yb+ ions for hours in a linear configuration.
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Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator

TL;DR: In this paper, the first observation of magnetic domain wall confinement in interacting spin chains with a trapped-ion quantum simulator is reported, which demonstrates the capability of quantum simulators for investigating exotic high-energy physics phenomena, such as quark collision and string breaking.
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Non-thermalization in trapped atomic ion spin chains.

TL;DR: In this article, a linear array of trapped and laser-cooled atomic ions is used for studying strongly interacting many-body quantum systems, where effective spins are encoded in long-lived electronic leve...