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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Mimicking a squeezed-bath interaction: Quantum-reservoir engineering with atoms
TL;DR: In this article, a two-level system with two ground levels of an atom with angular momentum (J = 1/\stackrel{\ensuremath{\rightarrow}}{2}J= 1/2$ transition is considered, and the laser parameters allow one to choose properties of the squeezed-bath interaction, such as the photon-number expectation number and the squeezing phase.
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Preparation of many-body states for quantum simulation.
TL;DR: The present algorithm is able to prepare general pure and mixed many-particle states of any number of particles and operates in time that is polynomial in all the essential descriptors of the system, the number ofarticles, the resolution of the lattice, and the inverse of the maximum final error.
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Selective darkening of degenerate transitions demonstrated with two superconducting quantum bits
P. C. de Groot,Jürgen Lisenfeld,Jürgen Lisenfeld,Raymond N. Schouten,Sahel Ashhab,Adrian Lupascu,C.J.P.M. Harmans,J. E. Mooij +7 more
TL;DR: In this paper, a new technique for controlling the quantum state of a superconducting qubit is presented, where microwave pulses are applied in such a way that they excite only one of a pair of degenerate states.
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Two-dimensional cluster-state preparation with linear ion traps
TL;DR: Briegel and Raussendorf as discussed by the authors proposed a two-dimensional spin spin-spin interaction coupled with a linear Paul trap to create a 2-dimensional cluster state.
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Experimental implementation of the quantum baker's map.
TL;DR: This Letter reports on the experimental implementation of the quantum baker's map via a three bit nuclear magnetic resonance quantum information processor to test the sensitivity of the Quantum chaotic map to controlled perturbations.