Quantum Simulation
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TLDR
The main theoretical and experimental aspects of quantum simulation have been discussed in this article, and some of the challenges and promises of this fast-growing field have also been highlighted in this review.Abstract:
Simulating quantum mechanics is known to be a difficult computational problem, especially when dealing with large systems However, this difficulty may be overcome by using some controllable quantum system to study another less controllable or accessible quantum system, ie, quantum simulation Quantum simulation promises to have applications in the study of many problems in, eg, condensed-matter physics, high-energy physics, atomic physics, quantum chemistry and cosmology Quantum simulation could be implemented using quantum computers, but also with simpler, analog devices that would require less control, and therefore, would be easier to construct A number of quantum systems such as neutral atoms, ions, polar molecules, electrons in semiconductors, superconducting circuits, nuclear spins and photons have been proposed as quantum simulators This review outlines the main theoretical and experimental aspects of quantum simulation and emphasizes some of the challenges and promises of this fast-growing fieldread more
Citations
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Hybrid quantum circuits: Superconducting circuits interacting with other quantum systems
TL;DR: Hybrid quantum circuits combine two or more physical systems, with the goal of harnessing the advantages and strengths of the different systems in order to better explore new phenomena and potentially bring about novel quantum technologies as discussed by the authors.
Journal ArticleDOI
Search for New Physics with Atoms and Molecules
Marianna Safronova,Dmitry Budker,David DeMille,Derek F. Jackson Kimball,Andrei Derevianko,Charles W. Clark +5 more
TL;DR: In this article, the authors present a review of the application of atomic physics to address important challenges in physics and to look for variations in the fundamental constants, search for interactions beyond the standard model of particle physics and test the principles of general relativity.
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Quantum simulations with ultracold atoms in optical lattices
TL;DR: In this article, the authors review recent experimental progress in quantum many-body simulation and comment on future directions, and present a review of the current state-of-the-art in this field.
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Observation of a many-body dynamical phase transition with a 53-qubit quantum simulator
Jiehang Zhang,Guido Pagano,Paul Hess,A. Kyprianidis,P. Becker,H. B. Kaplan,Alexey V. Gorshkov,Zhe-Xuan Gong,Christopher Monroe +8 more
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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A quantum engineer's guide to superconducting qubits
Philip Krantz,Philip Krantz,Morten Kjaergaard,Fei Yan,Terry P. Orlando,Simon Gustavsson,William D. Oliver +6 more
TL;DR: In this paper, the authors provide an introductory guide to the central concepts and challenges in the rapidly accelerating field of superconducting quantum circuits, including qubit design, noise properties, qubit control and readout techniques.
References
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Investigation of planar Coulomb crystals for quantum simulation and computation
TL;DR: In this article, the structure and properties of planar Coulomb crystals in both Penning and rf traps are investigated, and the effects of rf-heating and collisions with background gas are discussed.
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Quantum simulations of relativistic quantum physics in circuit QED
TL;DR: In this article, a superconducting qubit strongly coupled to a resonator field mode can be used to simulate the dynamics of the Dirac equation and Klein paradox in all regimes.
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Quantum simulator for the hubbard model with long-range coulomb interactions using surface acoustic waves.
Tim Byrnes,Tim Byrnes,Patrik Recher,Patrik Recher,Na Young Kim,Shoko Utsunomiya,Yoshihisa Yamamoto,Yoshihisa Yamamoto +7 more
TL;DR: An experimental scheme for a quantum simulator of strongly correlated electrons in a GaAs/AlGaAs heterojunction using a Hubbard model with long-range Coulomb interactions suggests that observations of quantum phase transition phenomena are within experimental reach.
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Modeling an adiabatic quantum computer via an exact map to a gas of particles.
TL;DR: For a general class of Hamiltonians, it is shown that the escape probability from the initial state scales no faster than | lambda|gamma, where |lambda| is the adiabaticity parameter.
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Quantum simulation with natural decoherence
C. H. Tseng,S. Somaroo,Yehuda Sharf,E. Knill,Raymond Laflamme,Timothy F. Havel,David G. Cory +6 more
TL;DR: In this paper, the effects of decoherence are considered in quantum information processing and quantum simulation of a four-level quantum system by a two-spin NMR ensemble quantum information processor.