Digital quantum simulation of gravitational optomechanics with IBM quantum computers
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 protoco...
| Autores: | , , , |
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| Tipo de documento: | artigo |
| Estado: | Versão publicada |
| Data de publicação: | 2024 |
| País: | España |
| Recursos: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositório: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/407721 |
| Acesso em linha: | http://hdl.handle.net/10261/407721 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85191304602&doi=10.1140%2Fepjqt%2Fs40507-024-00242-0&partnerID=40&md5=b4e2819aef77b53e30ff365ce81e2897 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Quantum computation Quantum gravity Quantum simulation Gravitation Oscillistors Quantum chemistry Quantum entanglement Qubits Simulation platform Digital gates Error mitigation Optical field Opto-mechanical systems Opto-mechanics Quanta computers Quantum mechanical oscillators Selection techniques Hamiltonians |
| Resumo: | 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. © The Author(s) 2024. |
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