期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 28, 期 14, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271819430016
关键词
Quantum gravity; quantum fluctuations; gravitational radiation; quantum information
资金
- H2020 through the MSCA IF pERFEcTO [795782]
- Austrian Academy of Sciences through Innovationsfonds Forschung, Wissenschaft und Gesellschaft
- University of Vienna through the research platform TURIS
- doctoral program Complex Quantum Systems (CoQuS)
- European Union's Horizon 2020 research and innovation program [766900]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [649008]
- John Templeton Foundation
- NSF [PHY 15-05124, PHY18-04216]
- European Research Council (ERC) [649008] Funding Source: European Research Council (ERC)
When a massive quantum body is put into a spatial superposition, it is of interest to consider the quantum aspects of the gravitational field sourced by the body. We argue that in order to understand how the body may become entangled with other massive bodies via gravitational interactions, it must be thought of as being entangled with its own Newtonian-like gravitational field. Thus, a Newtonian-like gravitational field must be capable of carrying quantum information. Our analysis supports the view that table-top experiments testing entanglement of systems interacting via gravity do probe the quantum nature of gravity, even if no gravitons are emitted during the experiment.
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