Universal quantum computation and quantum error correction with ultracold atomic mixtures
arXiv:2010.15923 · doi:10.1088/2058-9565/ac2d39
Abstract
Quantum information platforms made great progress in the control of many-body entanglement and the implementation of quantum error correction, but it remains a challenge to realize both in the same setup. Here, we propose a mixture of two ultracold atomic species as a platform for universal quantum computation with long-range entangling gates, while providing a natural candidate for quantum error-correction. In this proposed setup, one atomic species realizes localized collective spins of tunable length, which form the fundamental unit of information. The second atomic species yields phononic excitations, which are used to entangle collective spins. Finally, we discuss a finite-dimensional version of the Gottesman-Kitaev-Preskill code to protect quantum information encoded in the collective spins, opening up the possibility to universal fault-tolerant quantum computation in ultracold atom systems.
12 pages, 4 figures
References in corpus (19)
- Many-Body Physics with Ultracold Gases
- Supplementary information for "Quantum supremacy using a programmable superconducting processor"
- Probing many-body dynamics on a 51-atom quantum simulator
- Quantum States and Phases in Driven Open Quantum Systems with Cold Atoms
- An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays
- Bose-Einstein Condensation of Erbium
- Single-Spin Addressing in an Atomic Mott Insulator
- Quantum computing with neutral atoms
- Fisher Information and entanglement of non-Gaussian spin states
- Experimental Quantum Computations on a Topologically Encoded Qubit
- Scalable Spin Squeezing for Quantum-Enhanced Magnetometry with Bose-Einstein Condensates
- Cooling a single atom in an optical tweezer to its quantum ground state
- Detecting multiparticle entanglement of Dicke states
- Quantum Spin Dimers from Chiral Dissipation in Cold-Atom Chains
- 2000-times repeated imaging of strontium atoms in clock-magic tweezer arrays
- Quantum depletion of a homogeneous Bose-Einstein condensate
- Dynamics, dephasing and clustering of impurity atoms in Bose-Einstein condensates
- Ultracold molecules: vehicles to scalable quantum information processing
- Manipulation of an elongated internal Josephson junction of bosonic atoms