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Research

Dr Jonathan Gratus

Senior Lecturer

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  1. 2017
  2. Published

    Electromagnetic mode profile shaping in waveguides

    Gratus, J., Kinsler, P., Letizia, R. & Boyd, T., 30/01/2017, In: Applied Physics A. 123, 6 p., 108.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. 2016
  4. Published

    On spacetime transformation optics: temporal and spatial dispersion

    Gratus, J., Kinsler, P., McCall, M. W. & Thompson, R. T., 1/12/2016, In: New Journal of Physics. 18, 19 p., 123010.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  5. Published

    Dispersion in space-time transformation optics

    Kinsler, P., Gratus, J., McCall, M. & Thompson, R., 14/08/2016, Electromagnetic Theory (EMTS), 2016 URSI International Symposium on. IEEE, p. 356-358 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  6. Published

    Electromagnetic mode profile shaping in waveguides

    Boyd, T., Kinsler, P., Gratus, J. & Letizia, R., 14/08/2016, Electromagnetic Theory (EMTS), 2016 URSI International Symposium on. IEEE, p. 725-727 3 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  7. Published

    Customised mode profiles using functional materials

    Gratus, J., Kinsler, P., Letizia, R. & Boyd, T., 14/07/2016, In: arxiv.org.

    Research output: Contribution to Journal/Magazine › Journal article

  8. 2015
  9. Published

    On the self-force in Bopp-Podolsky electrodynamics

    Gratus, J., Perlick, V. & Tucker, R. W., 7/10/2015, In: Journal of Physics A: Mathematical and Theoretical. 48, 43, 28 p., 435401.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  10. Published

    Spatially dispersive inhomogeneous dielectric wire media with periodic structure

    Gratus, J., McCormack, M. & Letizia, R., 30/07/2015, Proceedings of PIERS 2015 in Prague, July 6-9, 2015. Cambridge, Mass.: The Electromagnetics Academy, p. 675-680 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  11. Published

    Spatially dispersive inhomogeneous electromagnetic media with periodic structure

    Gratus, J. & McCormack, M., 30/01/2015, In: Journal of Optics. 17, 2, 10 p., 025105.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. 2014
  13. Published

    Reconstruction of lattice parameters and beam momentum distribution from turn-by-turn beam position monitor readings in circular accelerators

    Gratus, J., Edmonds, C., Hock, K., Machida, S., Muratori, B., Torromé, R. G. & wolski, A., 2/05/2014, In: Physical Review Special Topics: Accelerators and Beams. 17, 5, 9 p., 054401.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  14. 2013
  15. Published

    Inhomogeneous spatially dispersive electromagnetic media

    Gratus, J. & McCormack, M., 3/09/2013, Progress In Electromagnetics Research Symposium Proceedings, Stockholm, Sweden, Aug. 12-15, 2013. p. 1007-1012 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  16. Published

    Colombeau algebra: a pedagogical introduction

    Gratus, J., 1/08/2013, In: arxiv.org.

    Research output: Contribution to Journal/Magazine › Journal article

  17. Published

    The radiative self-force and charged fluids

    Burton, D., Carr, A., Gratus, J. & Noble, A., 9/05/2013, Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III. Esarey, E., Schroeder, C. B., Leemans, W. P., Ledingham, K. W. D. & Jaroszyski, D. A. (eds.). SPIE, Vol. 8779.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  18. Published

    A kinetic model of radiating electrons

    Noble, A., Gratus, J., Burton, D. & Jaroszynski, D., 2013, In: Journal of Mathematical Physics. 54, 4, 8 p., 043101.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. 2012
  20. Published

    Conservation laws and stress–energy–momentum tensors for systems with background fields

    Gratus, J., Tucker, R. & Obukhov, Y., 10/2012, In: Annals of Physics. 327, 10, p. 2560-2590 31 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Symplectic integrator for s-dependent static magnetic fields based on mixed-variable generating functions

    Wolski, A., Gratus, J. & Tucker, R., 04/2012, In: Journal of Instrumentation. 7, 4, p. - 20 p., P04013.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Stephen N. Lyle: Self-force and inertia: old light on new ideas: Springer Lecture Notes in Physics, Vol. 796, 2011, 396 p., €74.85, ISBN: 978-3-642-04784-8

    Gratus, J., 2012, General Relativity and Gravitation, 44, 1, p. 303-304 2 p.

    Research output: Contribution to specialist publication › Book/Film/Article review

  23. 2011
  24. Published

    The origin of the Schott term in the electromagnetic self force of a classical point charge

    Ferris, M. R. & Gratus, J., 09/2011, In: Journal of Mathematical Physics. 52, 9, p. - 9 p., 092902.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Unpublished

    Bending a Beam to Significantly Reduce Wakefields of Short Bunches

    Gratus, J. & R. Ferris, M., 23/08/2011, (Unpublished) In: arxiv.org. 12 p.

    Research output: Contribution to Journal/Magazine › Journal article

  26. Published

    Covariant constitutive relations and relativistic inhomogeneous plasmas

    Gratus, J. & Tucker, R., 04/2011, In: Journal of Mathematical Physics. 52, 4, 26 p., 042901.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. Published

    Covariant electromagnetic constitutive theory for dispersive continua

    Goto, S., Gratus, J., Hale, A., Tucker, R. & Walton, T., 2011, Elasticity and anelasticity: proceedings of the international scientific symposium on problems of the mechanics of deformable bodies dedicated to the 100th anniversary from the birthday of A.A. Ilyushin Moscow, January 20–21, 2011. Kiyko, I. A., Brovko, G. L. & Vasin, R. A. (eds.). Moscow: Moscow University Press, p. 264-271 8 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  28. Published

    Kinetic theory of radiation reaction

    Noble, A., Jaroszynski, D., Gratus, J. & Burton, D., 2011, Central Laser Facility Annual Report 2010-2011. Central Laser Facility, 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  29. Published

    Kinetic treatment of radiation reaction effects

    Noble, A., Gratus, J., Burton, D., Ersfeld, B., Islam, M. R., Kravets, Y., Raj, G. & Jaroszynski, D., 2011, Laser acceleration of electrons, protons, and ions and medical applications of laser-generated secondary sources of radiation and particles. Leemans, W., Esarey, E., Hooker, S., Ledingham, K., Spohr, K. & McKenna, P. (eds.). BELLINGHAM: SPIE-INT SOC OPTICAL ENGINEERING, p. - 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  30. 2010
  31. Published

    Mathematical physics activities at the Cockcroft Institute.

    Burton, D. A., Gratus, J., Perlick, V., Tucker, R. W., Christie, D. C., Goto, S., Hale, A., Noble, A., Walton, C., Canovan, C. E. S., Ferris, M., Gallego Torrome, R., Smith, J. D. A. & Wen, H., 04/2010, In: ICFA Beam Dynamics Newsletter. 51, p. 217-222 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Covariant constitutive relations, landau damping and non-stationary inhomogeneous plasmas

    Gratus, J. & Tucker, R., 2010, In: Progress In Electromagnetics Research M. 13, p. 145-156 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. 2007
  34. Published

    New perspectives on the relevance of gravitation for the covariant description of electromagnetically polarizable media

    Dereli, T., Gratus, J. & Tucker, R. W., 25/05/2007, In: Journal of Physics A: Mathematical and Theoretical. 40, 21, p. 5695-5715 21 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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