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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Symmetries and conserved quantities of boundary time crystals in generalized spin models
TL;DR: In this paper, the authors investigate how symmetries and conserved quantities relate to the occurrence of the boundary time crystal (BTC) phase in a generalized spin model with Lindblad dissipation.
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Strong Photon Blockade Mediated by Optical Stark Shift in a Single-Atom–Cavity System
TL;DR: In this paper, strong photon antibunching with a large cavity photon number is predicted, by combining the optical Stark shift with anharmonicity and quantum interference beyond the strong-coupling regime.
Journal ArticleDOI
Quantum Hall phases emerging from atom–photon interactions
Alexander V. Poshakinskiy,Janet Zhong,Yongguan Ke,Yongguan Ke,N. A. Olekhno,Chaohong Lee,Yuri S. Kivshar,Yuri S. Kivshar,Alexander N. Poddubny,Alexander N. Poddubny,Alexander N. Poddubny +10 more
TL;DR: In this article, the emergence of quantum Hall phases, topological edge states, spectral Landau levels, and Hofstadter butterfly spectra in the two-particle Hilbert space of an array of periodically spaced two-level atoms coupled to a waveguide was revealed.
Journal ArticleDOI
Tunable electromagnetically induced transparency in a composite superconducting system
TL;DR: In this paper, the authors proposed an efficient method to realize electromagnetically induced transparency (EIT) in the microwave regime through a coupled system consisting of a flux qubit and a superconducting LC resonator.
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Quasi-1D exciton channels in strain-engineered 2D materials
Florian Dirnberger,Jonas D. Ziegler,Paulo E. Faria Junior,Rezlind Bushati,Rezlind Bushati,Takashi Taniguchi,Kenji Watanabe,Jaroslav Fabian,Dominique Bougeard,Alexey Chernikov,Alexey Chernikov,Vinod M. Menon,Vinod M. Menon +12 more
TL;DR: In this article, the authors combine strong light-matter interaction with robust and mobile exciton quasibrains for high-temperature excitonic quantum devices using strain engineering.
References
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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.