Details
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 2200468 |
| Fachzeitschrift | Annalen der Physik |
| Jahrgang | 535 |
| Ausgabenummer | 1 |
| Publikationsstatus | Veröffentlicht - 16 Jan. 2023 |
Abstract
Quantum field theory in curved spacetime is used to show that gravitational redshift induces a unitary transformation on the quantum state of propagating photons. It is found that the transformation is a mode-mixing operation, and a protocol that exploits gravity to induce a Hong–Ou–Mandel-like interference effect on the state of two photons is devised. It is discussed how the results of this work can provide a demonstration of quantum field theory in curved spacetime.
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in: Annalen der Physik, Jahrgang 535, Nr. 1, 2200468, 16.01.2023.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Gravitational Redshift Induces Quantum Interference
AU - Bruschi, David Edward
AU - Schell, Andreas Wolfgang
N1 - Funding Information: The authors thank Jan Kohlrus, Claus Lämmerzahl, Valente Pranubon, and Leila Khouri for useful suggestions. The https://pixabay.com/vectors/satellite-artificial-space-data-5174090/ satellite of Figure 1 is licensed for free use by Pixabay, while the https://pngimg.com/image/25352 Earth is licensed for non commercial use under the CC BY-NC 4.0 agreement by pngimg.com.
PY - 2023/1/16
Y1 - 2023/1/16
N2 - Quantum field theory in curved spacetime is used to show that gravitational redshift induces a unitary transformation on the quantum state of propagating photons. It is found that the transformation is a mode-mixing operation, and a protocol that exploits gravity to induce a Hong–Ou–Mandel-like interference effect on the state of two photons is devised. It is discussed how the results of this work can provide a demonstration of quantum field theory in curved spacetime.
AB - Quantum field theory in curved spacetime is used to show that gravitational redshift induces a unitary transformation on the quantum state of propagating photons. It is found that the transformation is a mode-mixing operation, and a protocol that exploits gravity to induce a Hong–Ou–Mandel-like interference effect on the state of two photons is devised. It is discussed how the results of this work can provide a demonstration of quantum field theory in curved spacetime.
KW - gravitational redshift
KW - quantum field theory
KW - quantum interference
KW - quantum optics
UR - http://www.scopus.com/inward/record.url?scp=85144146891&partnerID=8YFLogxK
U2 - 10.48550/arXiv.2109.00728
DO - 10.48550/arXiv.2109.00728
M3 - Article
AN - SCOPUS:85144146891
VL - 535
JO - Annalen der Physik
JF - Annalen der Physik
SN - 0003-3804
IS - 1
M1 - 2200468
ER -