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- Title
Digital quantum simulation of gravitational optomechanics with IBM quantum computers.
- Authors
Carmona Rufo, Pablo Guillermo; Mazumdar, Anupam; Bose, Sougato; Sabín, Carlos
- Abstract
We showcase the digital quantum simulation of the action of a Hamiltonian that governs the interaction between a quantum mechanical oscillator and an optical field, generating quantum entanglement between them via gravitational effects. This is achieved by making use of a boson-qubit mapping protocol and a digital gate decomposition that allow us to run the simulations in the quantum computers available in the IBM Quantum platform. We present the obtained results for the fidelity of the experiment in two different quantum computers, after applying error mitigation and post-selection techniques. The achieved results correspond to fidelities over 90%, which indicates that we were able to perform a faithful digital quantum simulation of the interaction and therefore of the generation of quantum entanglement by gravitational means in optomechanical systems.
- Subjects
INTERNATIONAL Business Machines Corp.; DIGITAL computer simulation; QUANTUM computers; QUANTUM entanglement; OPTOMECHANICS; COMPUTER simulation; GRAVITATIONAL effects
- Publication
EPJ Quantum Technology, 2024, Vol 11, Issue 1, p1
- ISSN
2196-0763
- Publication type
Article
- DOI
10.1140/epjqt/s40507-024-00242-0