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GRAVITES

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Gravitational interferometry with entangled states in optical fibers

The four known interactions that occur in nature can be described either by Einstein's general relativity or by quantum field theory. Over the last decades physicists have tried to put these two pillars of modern physics on a comm... ver más

31/03/2029

UNIVIE

9M€

Presupuesto del proyecto: 9M€

Líder del proyecto

UNIVERSITAT WIEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-04-01

ERC-2022-SyG: ERC Synergy Grants Objective:Objectives

I+D

Cerrada hace 3 años

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Duración del proyecto: 71 meses Fecha Inicio: 2023-04-01
Fecha Fin: 2029-03-31

Líder del proyecto

UNIVERSITAT WIEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 9M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The four known interactions that occur in nature can be described either by Einstein's general relativity or by quantum field theory. Over the last decades physicists have tried to put these two pillars of modern physics on a common foundation. In doing so, they have been limited by a lack of experiments at the interface of these two frameworks. Both theories have been independently verified with astonishing precision, but all verifications to date have come without drawing on concepts from the other theory.The goal of GRAVITES is to perform experiments at the interface of quantum physics and general relativity. For the first time, we will measure gravitational properties of single and entangled photons in the background of Einstein’s gravity. To this end, GRAVITES aims to combine four complementary disciplines: quantum photonics and precision interferometry guided by expertise in general relativity and quantum field theory. The synergy among the research groups will realize a large-scale fiber interferometer with unprecedented precision.Since the sensitivity of GRAVITES’s apparatus must exceed present large-scale fiber-based quantum interferometers by orders of magnitude, the two experimental teams must combine cutting-edge technologies in their respective fields for advancing single-photon interferometry. These developments are also of direct relevance for many other applications such as quantum metrology and quantum sensing. In parallel, the theory teams will investigate the combined effects of gravitation and field quantization in dielectric waveguides.With this united effort GRAVITES is in the position to explore new physics that determines the gravitational properties of quantum superposition and quantum entanglement. This will allow us to create a unique experimental platform for probing how gravity interacts with the quantum world.

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