Guillaume BOSSARD

"Chargé de recherche" at CNRS

Research group: String Theory 

Research interests

• Mathur fuzzball proposal for black hole microstates
   
• Black hole entropy for supersymmetric black holes in string theory
   
• Low energy effective action in string theory
   
• Supersymmetry, duality symmetries and automorphic representations
   
• Exceptional field theories and generalized geometry

Research Grants

ANR Black-dS-String (ANR-16-CE31-0004-02)

PhD thesis

Des théories quantiques de champ topologiques aux théories de jauge supersymétriques. Link
Defense in 2007 at Paris 6 University

Recent publications

Bossard G, Ciceri F, Inverso G, Kleinschmidt A, Samtleben H.
E9 exceptional field theory II. The complete dynamics.
Journal of High Energy Physics. 2021(5):107.
DOI: 10.1007/JHEP05(2021)107.

Bossard G, Kleinschmidt A, Pioline B.
1/8-BPS couplings and exceptional automorphic functions.
SciPost Physics. 2020;8(4):054.
DOI: 10.21468/SciPostPhys.8.4.054.

Bossard G, Kleinschmidt A, Sezgin E.
On supersymmetric E11 exceptional field theory.
Journal of High Energy Physics. 2019;2019(10):165.
DOI: 10.1007/JHEP10(2019)165.

Bossard G, Lüst S.
Microstate geometries at a generic point in moduli space.
General Relativity and Gravitation. 2019;51(9):112.
DOI: 10.1007/s10714-019-2584-4.

Bossard G, Cosnier-Horeau C, Pioline B.
Exact effective interactions and 1/4-BPS dyons in heterotic CHL orbifolds Scipost Physics.
Scipost Physics. 2019;7(3):028.
DOI: 10.21468/SciPostPhys.7.3.028.

Bossard G, Ciceri F, Inverso G, Kleinschmidt A, Samtleben H.
E-9 exceptional field theory. Part I. The potential.
Journal of High Energy Physics. 2019(3):189.
DOI: 10.1007/JHEP03(2019)089.

Bossard G, Kleinschmidt A. 
Cancellation of divergences up to three loops in exceptional field theory. 
Journal of High Energy Physics 2018;3:100.
DOI: 10.1007/JHEP02(2018)008

Bossard G, Katmadas S, Turton D.
Two Kissing Bolts.
Journal of High Energy Physics 2018;2:008.
DOI: 10.1007/JHEP02(2018)008

Bossard G, Cederwall M, Kleinschmidt A, Palmkvist J, Samtleben H.
Generalised diffeomorphisms for E-9.
Physical Review D 2017;96(10):106022.
DOI: 10.1103/PhysRevD.96.106022

Bossard G, Cosnier-Horeau C, Pioline B.
Four-derivative couplings and BPS dyons in heterotic CHL orbifolds.
Scipost Physics 2017;3(1):UNSP 008.
DOI: 10.21468/SciPostPhys.3.1.008

Bossard G, Kleinschmidt A, Palmkvist J, Pope CN, Sezgin E. 
Beyond E11. 
Journal of High Energy Physics 2017;05:020.
DOI: 10.1007/JHEP05(2017)020

Bena I, Bossard GK, S., Turton D.
Bolting Multicenter Solutions. 
​Journal of High Energy Physics 2017;01:127.
doi:10.1007/JHEP01(2017)127

Bossard G, Pioline B. 
Exact ∇4ℛ4 couplings and helicity supertraces. 
Journal of High Energy Physics 2017;01:050.
doi:10.1007/JHEP01(2017)050

Bossard G, Cosnier-Horeau C, Pioline B. 
Protected couplings and BPS dyons in half-maximal supersymmetric string vacua. 
Physics Letters B 2017;765:377–381.
doi:10.1016/j.physletb.2016.12.035

Bossard G, Kleinschmidt A.
Loops in exceptional field theory.
Journal of High Energy Physics 2016(1):164. 
DOI: 10.1007/JHEP01(2016)164

Bossard G., Verschinin V.
epsilon del(4) R-4 type invariants and their gradient expansion.
Journal of High Energy Physics 2015(3):089.
DOI: 10.1007/JHEP03(2015)089

Bossard G, Ivanov E, Smilga A.
Ultraviolet behavior of 6D supersymmetric Yang-Mills theories and harmonic superspace.
Journal of High Energy Physics 2015(12):085.
DOI: 10.1007/JHEP12(2015)085

Bossard, G.; Katmadas, S.
Floating JMaRT.
Journal of High Energy Physics (04):067 (2015)
http://dx.doi.org/10.1007/JHEP04(2015)067

Bossard G, Kleinschmidt A.
Supergravity divergences, supersymmetry and automorphic forms.
Journal of High Energy Physics 2015(8):102. 
DOI: 10.1007/JHEP08(2015)102

Bossard G., Katmadas S.
A bubbling bolt.
Journal of High Energy Physics (07): 118 (2014)
DOI: 10.1007/JHEP07(2014)118

Bossard G, Verschinin V.
Minimal unitary representations from supersymmetry.
Journal of High Energy Physics. 2014;10:008.
DOI: 10.1007/JHEP10(2014)008.

Bossard G., Katmadas S.
Non-BPS walls of marginal stability.
Journal of High Energy Physics 10: 179 (2013)
DOI: 10.1007/JHEP10(2013)179.

Bossard G., Howe P., Stelle K. S.
Invariants and divergences in half-maximal supergravity theories.
Journal of High Energy Physics 13(07): 117 (2013)

Bossard G., Katmadas S.
Duality covariant multi-centre black hole systems.
Journal of High Energy Physics 13(08): 007 (2013)

Bossard G., Howe P. S., Stelle K. S.
Anomalies and divergences in N=4 supergravity.
Physics Letters B 719(4-5): 424-429 (2013)
DOI: 10.1016/j.physletb.2013.01.021.

Bossard G., Katmadas S.
Duality covariant non-BPS first order systems.
Journal of High Energy Physics (9): 100 (2012)
DOI: 10.1007/JHEP09(2012)100.

Bossard G.
Octonionic black holes.
Journal of High Energy Physics (5): 113 (2012)
DOI: 10.1007/JHEP05(2012)113.

Bossard G., Ruef C.
Interacting non-BPS black holes.
General Relativity and gravitation 44(1): 21-66 (2012)

Bossard G., Howe P. S., Lindström U., Stelle K. S. 
Integral invariants in maximally supersymmetric Yang-Mills theories. 
Journal of High Energy Physics (5) : 021 (2011)

Bossard G., Nicolai H. 
Counterterms vs. Dualities. 
Journal of High Energy Physics (8) : 074 (2011)

Bossard G., Howe P. S., Stelle K. S., Vanhove P.
The vanishing volume of D=4 superspace.
Classical and Quantum Gravity: (2011)
DOI: 10.1088/0264-9381/28/21/215005.

Bossard G. 
Toward the consistency of N=8 supergravity as a quantum field theory.
In : Quantum theory and gravitation, ETH Zurich, Switzerland, 14 - 24 June 2011.