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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Journal ArticleDOI
Dynamical Ginzburg criterion for the quantum-classical crossover of the Kibble-Zurek mechanism
Matthias Gerster,Benedikt Haggenmiller,Ferdinand Tschirsich,Pietro Silvi,Pietro Silvi,Simone Montangero,Simone Montangero,Simone Montangero +7 more
TL;DR: In this article, the crossover between the classical and quantum scaling of the Kibble-Zurek mechanism on a one-dimensional lattice model was investigated, and it was shown that the crossover is a general feature of critical models on a lattice, by testing their paradigm on the quantum Ising model in transverse field for arbitrary spin.
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Spin-Boson Model as A Simulator of Non-Markovian Multiphoton Jaynes-Cummings Models
Ricardo Puebla,Giorgio Zicari,Iñigo Arrazola,Enrique Solano,Enrique Solano,Enrique Solano,Mauro Paternostro,Jorge Casanova,Jorge Casanova +8 more
TL;DR: In this article, the spin-boson model is mapped into a non-Markovian multiphoton Jaynes-Cummings model undergoing dissipation, which is used as a good analogue quantum simulator.
Journal ArticleDOI
A control hardware based on a field programmable gate array for experiments in atomic physics
Andrea Bertoldi,Chen-Hau Feng,H. Eneriz,Max Carey,Max Carey,D.S. Naik,J. Junca,Xinhao Zou,D. O. Sabulsky,Benjamin Canuel,Philippe Bouyer,Marco Prevedelli +11 more
TL;DR: Control hardware based on a field programmable gate array core that drives various modules via a simple interface bus is presented, useful to operate large experimental setups in a modular way.
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Quantum algorithms for electronic structures: basis sets and boundary conditions.
TL;DR: In this article , a review of quantum electronic-structure algorithms with a special emphasis on the basis sets and boundary conditions is presented, and the effect of the basis set on the circuit complexity is discussed.
References
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Journal ArticleDOI
Many-Body Physics with Ultracold Gases
TL;DR: In this article, a review of recent experimental and theoretical progress concerning many-body phenomena in dilute, ultracold gases is presented, focusing on effects beyond standard weakcoupling descriptions, such as the Mott-Hubbard transition in optical lattices, strongly interacting gases in one and two dimensions, or lowest-Landau-level physics in quasi-two-dimensional gases in fast rotation.
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The quantum internet
TL;DR: In this paper, the authors proposed a method for quantum interconnects, which convert quantum states from one physical system to those of another in a reversible manner, allowing the distribution of entanglement across the network and teleportation of quantum states between nodes.
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Quantum Phase Transition From a Superfluid to a Mott Insulator in a Gas of Ultracold Atoms
TL;DR: This work observes a quantum phase transition in a Bose–Einstein condensate with repulsive interactions, held in a three-dimensional optical lattice potential, and can induce reversible changes between the two ground states of the system.
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Cold Bosonic Atoms in Optical Lattices
Dieter Jaksch,Dieter Jaksch,Christoph Bruder,Christoph Bruder,J. I. Cirac,J. I. Cirac,Crispin W. Gardiner,Crispin W. Gardiner,Peter Zoller,Peter Zoller +9 more
TL;DR: In this paper, the Bose-Hubbard model was used to model the phase transition from the superfluid to the Mott insulator phase induced by varying the depth of the optical potential.
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Universal Quantum Simulators
TL;DR: Feynman's 1982 conjecture, that quantum computers can be programmed to simulate any local quantum system, is shown to be correct.