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Artur Ekert

Prof. Artur Ekert FRS

Status
Academic Faculty
Contact form
http://www.arturekert.org
ORCID iD
https://orcid.org/0000-0002-1504-5039
Research groups
  • Mathematical Physics

Address
Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG

Recent books
Ultracold Gases and Quantum Information Miniatura, C Kwek, L Ducloy, M Gremaud, B Englert, B Cugliandolo, L Ekert, A (01 Jul 2011)
Ultracold Gases and Quantum Information: Lecture Notes of the Les Houches Summer School in Singapore: Volume 91, July 2009 Miniatura, C Kwek, L Ducloy, M Grémaud, B Englert, B Cugliandolo, L Ekert, A Phua, K (05 May 2011)
The physics of quantum information Bouwmeester, D Ekert, A Zeilinger, A (2000)
Prizes, awards, and scholarships

http://en.wikipedia.org/wiki/Artur_Ekert

Major / recent publications

Andrzej Dragan et al, Relativity of superluminal observers in 1 + 3 spacetime, 2023 Class. Quantum Grav. 40 025013

Andrzej Dragan and Artur Ekert, Quantum principle of relativity, 2020 New J. Phys. 22 033038

Artur Ekert and Renato Renner, The ultimate physical limits of privacy, Nature 507, 443–447 (27 March 2014).

Recent publications
Relativity of superluminal observers in 1+3 spacetime
Dragan, A Debski, K Charzynski, S Turzynski, K Ekert, A CLASSICAL AND QUANTUM GRAVITY volume 40 issue 2 (2023) https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000906072500001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Reply to Comment on 'Quantum principle of relativity'
Dragan, A Ekert, A NEW JOURNAL OF PHYSICS volume 24 issue 9 (01 Sep 2022) https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000863775200001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Security Analysis of Quantum Key Distribution with Small Block Length and Its Application to Quantum Space Communications.
Lim, C Xu, F Pan, J Ekert, A Physical review letters volume 126 issue 10 100501- (Mar 2021)
Entanglement-based secure quantum cryptography over 1,120 kilometres
Yin, J Li, Y Liao, S Yang, M Cao, Y Zhang, L Ren, J Cai, W Liu, W Li, S Shu, R Huang, Y Deng, L Li, L Zhang, Q Liu, N Chen, Y Lu, C Wang, X Xu, F Wang, J Peng, C Ekert, A Pan, J Nature volume 582 501-505 (15 Jun 2020)
Quantum principle of relativity
Dragan, A Ekert, A New Journal of Physics volume 22 issue 3 (17 Feb 2020)
Teaching

Lecture-notes / e-book Introduction to Quantum Information Science .

Oxford students should also consult course C7.4 website.

 

Research interests

My research extends over most aspects of information processing in quantum-mechanical systems. It is a cross-disciplinary field bringing together theoretical and experimental quantum physics, computer science and information theory. Its scope ranges from deep fundamental issues in physics to prospective commercial exploitation by the computing and communications industries.

My work is mostly theoretical but its results also bear directly on issues of experimental implementation. One reason why it has attracted attention from industry and government agencies is that quantum cryptography can guarantee perfectly secure communication. Another is that projected quantum computers will be capable of efficiently solving some problems (including factorisation, which has a bearing on cryptanalysis) for which there is believed to be no efficient classical algorithm.

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