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Dr Lakshya Bhardwaj

Status
Postdoctoral Research Associate

Email 

bhardwaj at maths.ox.ac.uk

Contact form
+44 1865 615181
Research groups
  • Mathematical Physics

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

Highlighted publications
Non-invertible higher-categorical symmetries
Bhardwaj, L Bottini, L Schäfer-Nameki, S Tiwari, A SciPost Physics volume 14 issue 1 (26 Jan 2023)
The Global Form of Flavor Symmetries and 2-Group Symmetries in 5d SCFTs
Apruzzi, F Bhardwaj, L Oh, J Schafer-Nameki, S SciPost Phys. volume 13 024-024 (18 May 2021)
Higher-form symmetries of 6d and 5d theories
Bhardwaj, L Schäfer-Nameki, S Journal of High Energy Physics volume 2021 issue 2 (18 Feb 2021)
Twisted circle compactifications of 6d SCFTs
Bhardwaj, L Jefferson, P Kim, H Tarazi, H Vafa, C JOURNAL OF HIGH ENERGY PHYSICS issue 12 (23 Dec 2020) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000603046600003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Classification of 5d N=1 gauge theories
Bhardwaj, L Zafrir, G JOURNAL OF HIGH ENERGY PHYSICS issue 12 (16 Dec 2020) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000601400200002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
On the classification of 5d SCFTs
Bhardwaj, L JOURNAL OF HIGH ENERGY PHYSICS issue 9 (01 Sep 2020) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000568872500005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Classifying 5d SCFTs via 6d SCFTs: arbitrary rank
Bhardwaj, L Jefferson, P JOURNAL OF HIGH ENERGY PHYSICS issue 10 (31 Oct 2019) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000495669500001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Classifying 5d SCFTs via 6d SCFTs: rank one
Bhardwaj, L Jefferson, P JOURNAL OF HIGH ENERGY PHYSICS issue 7 (31 Jul 2019) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000478609200001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
The frozen phase of F-theory
Bhardwaj, L Morrison, D Tachikawa, Y Tomasiello, A Journal of High Energy Physics volume 2018 issue 8 (22 Aug 2018)
On finite symmetries and their gauging in two dimensions
Bhardwaj, L Tachikawa, Y Journal of High Energy Physics volume 2018 issue 3 (29 Mar 2018)
State sum constructions of spin-TFTs and string net constructions of fermionic phases of matter
Bhardwaj, L Gaiotto, D Kapustin, A Journal of High Energy Physics volume 2017 issue 4 (18 Apr 2017)
F-theory and the classification of little strings
Bhardwaj, L Del Zotto, M Heckman, J Morrison, D Rudelius, T Vafa, C Physical Review D volume 93 issue 8 (07 Apr 2016)
Classification of 6d N = 1 0 $$ \mathcal{N}=\left(1,0\right) $$ gauge theories
Bhardwaj, L Journal of High Energy Physics volume 2015 issue 11 (04 Nov 2015)
Classification of 4d
$ \mathcal{N} $
=2 gauge theories
Bhardwaj, L Tachikawa, Y Journal of High Energy Physics volume 2013 issue 12 (23 Dec 2013)
Major / recent publications

https://inspirehep.net/authors/1275756

Recent publications
Relative defects in relative theories: trapped higher-form symmetries and irregular punctures in class S
Bhardwaj, L Giacomelli, S Hübner, M Schäfer-Nameki, S SciPost Physics volume 13 issue 4 (26 Oct 2022)
Universal non-invertible symmetries
Bhardwaj, L Schafer-Nameki, S Wu, J Fortschritte der Physik volume 70 issue 11 (05 Oct 2022)
Global form of flavor symmetry groups in 4d N = 2 theories of class S
Bhardwaj, L SCIPOST PHYSICS volume 12 issue 6 (Jun 2022) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000810202300009&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
2-Group symmetries in class S
Bhardwaj, L SCIPOST PHYSICS volume 12 issue 5 (May 2022) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000810390800033&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
2-Group symmetries and their classification in 6d
Apruzzi, F Bhardwaj, L Gould, D Schafer-Nameki, S SciPost Physics volume 12 (18 Mar 2022)
Liberating confinement from Lagrangians: 1-form symmetries and lines in 4d N=1 from 6d N=(2,0)
Hübner, M Bhardwaj, L Schafer-Nameki, S SciPost Physics volume 12 (26 Jan 2022)
1-form symmetries of 4d N=2 class S theories
Bhardwaj, L Hübner, M Schafer-Nameki, S SciPost Physics volume 11 issue 5 (24 Nov 2021)
Flavor symmetry of 5d SCFTs. Part I. General setup
Bhardwaj, L JOURNAL OF HIGH ENERGY PHYSICS issue 9 (28 Sep 2021) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000701662100005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Flavor symmetry of 5d SCFTs. Part II. Applications
Bhardwaj, L JOURNAL OF HIGH ENERGY PHYSICS issue 4 (22 Apr 2021) https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000644190300002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Do all 5d SCFTs descend from 6d SCFTs?
Bhardwaj, L JOURNAL OF HIGH ENERGY PHYSICS issue 4 (09 Apr 2021) https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000639403500002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
More 5d KK theories
Bhardwaj, L Journal of High Energy Physics volume 2021 issue 3 (04 Mar 2021)
SL(2, Z) action on QFTs with Z(2) symmetry and the Brown-Kervaire invariants
Bhardwaj, L Lee, Y Tachikawa, Y JOURNAL OF HIGH ENERGY PHYSICS issue 11 (25 Nov 2020) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000595818700012&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Dualities of 5d gauge theories from S-duality
Bhardwaj, L JOURNAL OF HIGH ENERGY PHYSICS issue 7 (02 Jul 2020) http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000548894900002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=4fd6f7d59a501f9b8bac2be37914c43e
Revisiting the classifications of 6d SCFTs and LSTs
Bhardwaj, L Journal of High Energy Physics volume 2020 issue 3 (27 Mar 2020)
Unoriented 3d TFTs
Bhardwaj, L Journal of High Energy Physics volume 2017 issue 5 (10 May 2017)
Research interests
  • Generalized Global Symmetries; Confinement; ‘t Hooft Anomalies
  • 5d and 6d SCFTs; Little String Theories
  • 4d N=2 Theories; Theories of Class S; Non-Lagrangian Theories
  • F-theory and M-theory Compactifications
  • TQFTs and Gapped Phases of Matter; SPT Phases
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