期刊
NATURE PHYSICS
卷 11, 期 10, 页码 872-U191出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NPHYS3451
关键词
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资金
- Adams Fellowship Program of the Israel Academy of Sciences and Humanities
- Israel Ministry of Science and Technology
- ICore Excellence centre 'Circle of Light'
- Binational USA-Israel Science Foundation BSF
Some predictions of Einstein's theory of general relativity (GR) still elude observation, hence analogous systems, such as optical set-ups, have been suggested as platforms for emulating GR phenomena. GR is inherently nonlinear: for example, the curvature of space is induced by masses whose dynamics is also affected by the curved space they themselves induce. But, thus far all GR emulation experiments with optical systems have reproduced only linear dynamics. Here, we study gravitational effects with optical wave packets under a long-range nonlocal thermal nonlinearity. This system is mathematically equivalent to the Newton-Schrodinger model proposed to describe the gravitational self-interaction of quantum wavepackets. We emulate gravitational phenomena by creating interactions between a wavepacket and the gravitational potential of a massive star, observing gravitational lensing, tidal forces and gravitational redshift and blueshift. These wavepackets interact in the curved space they themselves induce, exhibiting complex nonlinear dynamics arising from the interplay between diffraction, interference and the emulated gravitational effects.
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