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Nonlocality amplifies echoes

Luca Buoninfante
(
- Groningen U. and
- INFN, Salerno and
- Salerno U.
)
,
Anupam Mazumdar
(
- Groningen U.
)
,
Jun Peng
(
- Groningen U.
)

Jun 9, 2019

6 pages

Published in:

Phys.Rev.D 100 (2019) 10, 104059

Published: Nov 28, 2019

e-Print:

1906.03624 [gr-qc]

DOI:

10.1103/PhysRevD.100.104059

View in:

reference search26 citations

Citations per year

Abstract: (APS)

In this paper we will provide distinctive signatures of nonlocal interactions while studying reflection and transmission of waves bouncing through two Dirac delta potentials. In particular, we will show that the transmission of waves is less damped compared to the local case, due to the fact that nonlocality weakens the interaction. As a consequence the echoes are amplified. These signatures can be potentially detectable in the context of gravitational waves, where two Dirac delta potentials can mimic the two potential barriers at the surface and at the photon sphere of an ultra compact object, or, at the two photon spheres of a wormhole, experiencing nonlocal interactions.

Note:

4 pages + 3 figures

General relativity, alternative theories of gravity
interaction: nonlocal
photon: sphere
gravitational radiation: emission
gravitational radiation
reflection
gravitational radiation: direct detection
two-photon
wormhole
gravitation: nonlocal

References(45)

Figures(2)

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