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
Precise Programmable Quantum Simulations with Optical Lattices
TL;DR: In this paper, the authors presented an efficient approach to precisely simulate tight binding models with optical lattices, based on programmable digital-micromirror-device (DMD) techniques.
Journal ArticleDOI
Applications of Near-Term Photonic Quantum Computers: Software and Algorithms
Thomas R. Bromley,Juan Miguel Arrazola,Soran Jahangiri,Josh Izaac,Nicolás Quesada,Alain Delgado Gran,Maria Schuld,Jeremy Swinarton,Zeid Zabaneh,Nathan Killoran +9 more
TL;DR: A new applications layer for the Strawberry Fields photonic quantum computing library is introduced, which provides users with the necessary tools to design and implement algorithms using GBS with only a few lines of code.
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Quantum effects in the cooperative scattering of light by atomic clouds
Lorenzo Pucci,Analabha Roy,Tiago Santiago do Espirito Santo,Robin Kaiser,Michael Kastner,Romain Bachelard +5 more
TL;DR: Pucci et al. as discussed by the authors studied the quantum effects in the cooperative scattering of light by atomic clouds and showed that the scattering of the light by clouds can be accelerated by quantum effects.
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Production of large Bose-Einstein condensates in a magnetic-shield-compatible hybrid trap
Giacomo Colzi,Eleonora Fava,Matteo Barbiero,Matteo Barbiero,Carmelo Mordini,Giacomo Lamporesi,Gabriele Ferrari +6 more
TL;DR: In this paper, the authors describe the production of large Bose-Einstein condensates in a hybrid trap characterized by a weak magnetic field quadrupole and a tightly focused infrared beam.
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Efficient quantum simulation of open quantum dynamics at various Hamiltonians and spectral densities
Na-Na Zhang,Ming-Jie Tao,Wan-Ting He,Xin-Yu Chen,Xiang-Yu Kong,Fu-Guo Deng,Neill Lambert,Qing Ai +7 more
TL;DR: In this paper, a quantum simulation approach was proposed for studying photosynthetic light harvesting, and the approach was applied to simulate the open quantum dynamics of various photoynthetic systems, and it was shown that for Drude-Lorentz spectral density, the dimerized geometries with strong couplings within the donor and acceptor clusters respectively exhibit significantly improved efficiency.
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.