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QuEST SIGNED

Quantum Energy Conditions and Singularity Theorems

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

QuEST project word cloud

Explore the words cloud of the QuEST project. It provides you a very rough idea of what is the project "QuEST" about.

occurrence broaden inequalities base gravity spacetime receive singularities approached physics violate inevitable quantised places mathematical breaks complementary obeys universe mathematically ways expertise content corresponds smeared occurred original transversely averaged supervisor pioneering black resolve relativity penrose null hawking date exist analogues backreaction imply quantum theorems energy holes usual suitable singularity researcher works proved theory explores context takes theorem beginning version question combination forms semiclassical center training rigorous hope

Project "QuEST" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITY OF YORK Organization address address: HESLINGTON city: YORK NORTH YORKSHIRE postcode: YO10 5DD website: http://www.york.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Project website	https://www.york.ac.uk/maths/research/fellowships/eleni-kontou/
Total cost	195˙454 €
EC max contribution	195˙454 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2017
Duration (year-month-day)	from 2017-09-01 to 2019-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITY OF YORK UNIVERSITY OF YORK Organization address address: HESLINGTON city: YORK NORTH YORKSHIRE postcode: YO10 5DD website: http://www.york.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (YORK NORTH YORKSHIRE)	coordinator	195˙454.00

Map

Project objective

The proposed project explores an important open question in mathematical physics today: the occurrence of singularities in spacetime - places where the usual understanding of physics breaks down. For example, singularities may exist at the center of black holes, or have occurred at the beginning of the universe. Singularity theorems, developed over the past 50 years following pioneering work of Penrose and Hawking, are mathematically rigorous results that imply that singularities are inevitable provided the matter content of the universe obeys a suitable energy conditions. Although forms of matter described by quantum field theory can violate the original energy conditions, recent developments provide hope that singularity theorems can be proved even in this case. To date, however, no known singularity theorem fully corresponds to the behaviour of quantum fields or takes into account the backreaction of the quantum field on the spacetime. The goal of this project is to establish singularity theorems for quantised matter using recent work by the researcher and the supervisor as a base. This will be approached in several ways (a) new quantum energy inequalities will be proved that are suitable for use in singularity theorems; (b) new singularity theorems will be proved using a transversely smeared version of the averaged null energy condition; (c) analogues of singularity theorems will be investigated in the context of semiclassical gravity. The combination of the complementary expertise of the researcher and the supervisor is essential to the success of this project. Moreover the researcher will receive training from the supervisor in mathematically rigorous approaches to quantum field theory and relativity, which will broaden her knowledge and expertise. This project will help to resolve a major problem in mathematical physics today and provide insight into how the universe works.

Publications

List of publications.
year	authors and title	journal	last update
2018	Peter J. Brown, Christopher J. Fewster, Eleni-Alexandra Kontou A singularity theorem for Einsteinâ€“Kleinâ€“Gordon theory published pages: 121:1-24, ISSN: 0001-7701, DOI: 10.1007/s10714-018-2446-5	General Relativity and Gravitation 50/10	2019-08-29
2019	Christopher J. Fewster, Eleni-Alexandra Kontou Quantum strong energy inequalities published pages: 045001:1-17, ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.045001	Physical Review D 99/4	2019-08-29

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