About
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Name Julien Garaud
Birthdate 23 May 1982 in Tours, France (map)
Citizenship French

Education

Université François Rabelais at Laboratoire de Mathémathiques et Physique Théorique (LMPT),
in Tours, France, 2000 – 2010

  • Ph.D. in Physics, September 2010
    Dissertation Title : Superconducting Vortices in Weinberg–Salam theory
    Research Advisor : Pr. Mikhail S. Volkov
    Committee Members : Prof. C. Bachas, Dr. M. Chernodub, Dr. P. Grandclément, Prof. A. Niemi, Prof. M. Shaposhnikov, Prof. M. S. Volkov.
    Referees : Prof. C. Bachas, Prof. M. Shaposhnikov, Prof. P. Sutcliffe.
  • Master of Science in Physics, 2006
    Dissertation Title : Spinning magnetic monopoles
    Research Advisor : Pr. Mikhail S. Volkov
  • Bachelor of Science in Physics, 2004

Academic position

09/2014 – present KTH-Royal Institute of Technology, Stockholm
Postdoctoral Scholar (Advisor: Prof. E. Babaev)
10/2010 – 08/2014 University of Massachusetts, Amherst
Postdoctoral Scholar (Advisor: Prof. E. Babaev)
09/2006 – 09/2010 University of Tours, France
Graduate Student (Advisor: Prof. M. S. Volkov)

Publication

  1. A. A. Zyuzin, J. Garaud and E. Babaev,
    Nematic skyrmions in odd-parity superconductors.
    Phys. Rev. Lett. 119, 167001 (2017). Link , arXiv
  2. J. Garaud, M. Silaev and E. Babaev,
    Change of the vortex core structure in two-band superconductors at impurity-scattering-driven $s_\pm/s_{++}$ crossover.
    Phys. Rev. B 96, 140503(R) (2017). Link , arXiv
  3. M. Silaev, J. Garaud and E. Babaev,
    Phase diagram of dirty two-band superconductors and observability of impurity-induced $s+is$ state.
    Phys. Rev. B 95, 024517 (2017). Link , arXiv
  4. J. Garaud, M. Silaev and E. Babaev,
    Microscopically derived multi-component Ginzburg-Landau theories for $s+is$ superconducting state.
    Physica C 533, 63-73 (2017). Link , arXiv
  5. J. Garaud, E. Babaev, Troels Arnfred Bojesen and Asle Sudbø
    Lattices of double-quanta vortices and chirality inversion in $p_x+ip_y$ superconductors.
    Phys. Rev. B 94, 104509 (2016). Link , arXiv
  6. J. Garaud, M. Silaev and E. Babaev,
    Thermoelectric Signatures of Time-Reversal Symmetry Breaking States in Multiband Superconductors.
    Phys. Rev. Lett. 116, 097002 (2016). Link , arXiv , Webpage
  7. J. Garaud and E. Babaev,
    Properties of skyrmions and multi-quanta vortices in chiral $p$-wave superconductors.
    Scientific Reports 5, 17540 (2015). Link , arXiv
  8. M. Silaev, J. Garaud and E. Babaev,
    Unconventional thermoelectric effect in superconductors that break time-reversal symmetry.
    Phys. Rev. B 92, 174510 (2015). Link , arXiv
  9. D. F. Agterberg and J. Garaud,
    Checkerboard order in vortex cores from pair-density-wave superconductivity.
    Phys. Rev. B 91, 104512 (2015). Link , arXiv
  10. J. Garaud and E. Babaev,
    Vortex chains due to nonpairwise interactions and field-induced phase transitions between states with different broken symmetry in superconductors with competing order parameters.
    Phys. Rev. B 91, 014510 (2015). [Selected for Phys. Rev. B Kaleidoscope ] Link , arXiv
  11. J. Garaud and E. Babaev,
    Vortex matter in $U(1)\times U(1)\times\mathbb{Z}_2$ phase-separated superconducting condensates.
    Phys. Rev. B 90, 214524 (2014). Link , arXiv
  12. D. F. Agterberg, E. Babaev and J. Garaud,
    Microscopic prediction of skyrmion lattice state in clean interface superconductors.
    Phys. Rev. B 90, 064509 (2014). [Selected for Phys. Rev. B Kaleidoscope ] Link , arXiv
  13. J. Garaud and E. Babaev,
    Topological defects in mixtures of superconducting condensates with different charges.
    Phys. Rev. B 89, 214507 (2014). Link , arXiv
  14. J. Garaud and E. Babaev,
    Domain walls and their experimental signatures in $ s+is $ superconductors.
    Phys. Rev. Lett. 112, 017003, (2014). Link , Suppl. , arXiv , Webpage
  15. J. Garaud , K. Sellin, J. Jäykkä and E. Babaev,
    Skyrmions induced by dissipationless drag in $~\mathrm{U}(1)\times\mathrm{U}(1)$ superconductors.
    Phys. Rev. B 89, 104508 (2014). Link , arXiv , Webpage
  16. J. Garaud, E. Radu and M. S. Volkov,
    Stable Cosmic Vortons.
    Phys. Rev. Lett. 111, 171602 (2013). Link , Suppl. , arXiv , Webpage
  17. J. Garaud, J. Carlström, E. Babaev and M. Speight,
    Chiral $\ {\mathbb{C}}{{P}}^2\ $ skyrmions in three-band superconductors.
    Phys. Rev. B 87, 014507 (2013). [Editor's Suggestion] Link , arXiv
  18. J. Garaud, D. F. Agterberg and E. Babaev,
    Vortex coalescence and type-1.5 superconductivity in Sr$_2$RuO$_4$ .
    Phys. Rev. B 86, 060513(R) (2012). [Rapid Comm.] Link , arXiv
  19. J. Garaud and E. Babaev,
    Skyrmionic state and stable half-quantum vortices in chiral $p$-wave superconductors.
    Phys. Rev. B 86, 060514(R) (2012). [Rapid Comm.] Link , Suppl. , arXiv
  20. E. Babaev, J. Carlström, J. Garaud, M. Silaev and J. M. Speight
    Type-1.5 superconductivity in multiband systems: Magnetic response, broken symmetries and microscopic theory -- A brief overview.
    Physica C 479, 2-14 (2012). Link , arXiv
  21. J. Garaud, J. Carlström and E. Babaev,
    Topological Solitons in Three-Band Superconductors with Broken Time Reversal Symmetry.
    Phys. Rev. Lett. 107, 197001 (2011). Link , Suppl. , arXiv , Webpage
  22. J. Carlström, J. Garaud and E. Babaev,
    Length scales, collective modes, and type-1.5 regimes in three-band superconductors.
    Phys. Rev. B 84, 134518 (2011). Link , arXiv ;    Phys. Rev. B 87, 219904(E) (2013). Link
  23. J. Carlström, J. Garaud and E. Babaev,
    Semi-Meissner state and nonpairwise intervortex interactions in type-1.5 superconductors.
    Phys. Rev. B 84, 134515 (2011). Link , Suppl. , arXiv , Webpage
  24. J. Garaud and M. S. Volkov,
    Stability analysis of Superconducting Electroweak Strings.
    Nucl. Phys. B 839, 310–340 (2010). Link , arXiv
  25. J. Garaud and M. S. Volkov,
    Superconducting non-Abelian vortices in Weinberg–Salam theory--electroweak thunderbolts.
    Nucl. Phys. B 826, 174–216, (2010). Link , arXiv
  26. J. Garaud and M. S. Volkov,
    Stability analysis of the twisted superconducting semilocal strings.
    Nucl. Phys. B 799, 430–455, (2008). Link , arXiv

Unpublished

  1. J. Garaud,
    Superconducting Vortices in Weinberg–Salam theory, Ph.D thesis (2010) Link .
  2. J. Garaud,
    Spinning magnetic monopoles, Master thesis (2006)

Scientific software

  1. J. Garaud and A. W. Steiner,
    ode_bv_multishoot.h (included into O2scl ), (2008) Link ,
    A C++ abstract class template solver for Boundary Value Problems, based on a multiple shooting algorithm.

Invited talk

10/2015 GREMAN and LMPT, Tours
Thermoelectric signatures of superconducting states that break time-reversal symmetry. Link
03/2014 Laboratoire de Physique des Solides, Orsay
Probing unconventional superconducting states with topological defects
02/2014 Laboratoire de Mathématiques et Physique Théorique, Tours
Topological excitations in multi-component superconductors: Domain-walls and Skyrmions
04/2013 GREMAN, Tours
Topological defects in multi-component superconductors
04/2013 Laboratoire de Physique Théorique de la Matière Condensée, Paris
Topological defects in multi-component superconductors
03/2013 Laboratoire de Physique des Solides, Orsay
Topological solitons in superconductors with Broken Time Reversal Symmetry
12/2012 Laboratoire Ondes et Matière d'Aquitaine, Bordeaux
Skyrmions in multi-component superconductors
10/2012 KTH-Royal Institute of Technology, Stockholm
Topological solitons in multi-component superconductors
04/2012 University of Massachusetts, Amherst
Topological solitons in superconductors with broken time reversal symmetry
11/2011 Laboratoire de Mathémathiques et Physique Théorique, Tours
Ground-states in multi-component superconductors
04/2011 University of Massachusetts, Amherst
Non-pairwise interactions in type-1.5 superconductors
10/2010 KTH-Royal Institute of Technology, Stockholm
Introduction to superconducting electroweak vortices
08/2010 Oldenburg University
Superconducting electroweak vortices

Contributed talk

07/2016 Multi-Component and Strongly-Correlated Superconductors, Nordita, Stockholm
Thermoelectric signatures of time-reversal symmetry breaking superconducting states. Link
11/2015 Groupement De Recherche - Matériaux et Interactionss en COmpétition, UPMC, Paris
Thermoelectric signatures of time-reversal symmetry-breaking states in iron pnictides.
09/2015 Vortex matter in nanostructured superconductors (VORTEX IX), Rhodes
Thermoelectric signatures of superconducting states that break time-reversal symmetry.
06/2014 New Horizon of Strongly Correlated Physics (NHSCP2014), ISSP, Tokyo
Topological defects and their experimental signature in $s+is$ superconductors. Link
09/2013 Vortex matter in nanostructured superconductors (VORTEX VIII), Rhodes
Topological excitations in $ s+is $ superconductors and their experimental signatures.
08/2013 Workshop Superconductivity: the Second Century, Nordita, Stockholm
Topological excitations in $ s+is $ superconductors. Link
03/2013 March meeting of the APS, Baltimore, MD
Chiral $\ {\mathbb{C}}{{P}}^2\ $skyrmions in three-band superconductors and layered superconducting structures. Abstract
12/2012 Quantized flux in tightly knotted and linked systems, Newton Institute, Cambridge, UK
$\ {\mathbb{C}}{{P}}^2\ $ baby-skyrmions in three-component superconductors. Abstract ; Poster ; Slides ; Talk
03/2012 March meeting of the APS, Boston, MA
Topological solitons in three-band superconductors with broken time reversal symmetry. Abstract
09/2011 Vortex matter in nanostructured superconductors (VORTEX VII), Rhodes
Magnetic response of multi-component type-II and type-1.5 superconductors. Poster
03/2011 March meeting of the APS, Dallas, TX
Ground states of multi-band type-I and type-1.5 superconductors and interlaced type-I/type-II layered superconducting structures in external magnetic field. Abstract
11/2008 Workshop Knots and Vortons III, LMPT, Tours
Superconducting vortices in electroweak theory. Link
05/2007 Workshop Knots and Vortons II, LMPT, Tours
Stability of superconducting semilocal vortices. Link
11/2006 Journée des doctorants de la Fédération Denis Poisson, MAPMO, Orléans.
Spinning magnetic monopoles and vortices.