Here you can find my peer-reviewed publications & preprints, and some less technical articles that I’ve written for the scientific press.

Publications

1. N. Behbood, F. Martin Ciurana, G. Colangelo, M. Napolitano, G. Tóth, R.J. Sewell & M.W. Mitchell. Generation of macroscopic singlet states in a cold atomic ensemble. PRL 113, 093601 (2014). link to pdf
   • Selected as a PRL Editors’ Suggestion, 25 August 2014.
   • Highlighted in Scientific American 22 September 2014. Republished in the Italian edition, Le Scienze 27 September 2014.
2. R.J. Sewell, M. Napolitano, N. Behbood, G. Colangelo, F. Martin Ciurana & M.W. Mitchell. Ultra-sensitive atomic spin measurements with a nonlinear interferometer. PRX 4, 021045 (2014). link to pdf
   • Highlighted by Science as an Editors’ Choice 11th July 2014.

3. G. Puentes, G. Colangelo, R.J. Sewell & M.W. Mitchell. Planar quantum squeezing via quantum non-demolition measurements in cold atomic ensembles. New Journal of Physics 15, 103031 (2013). link to pdf

4. N. Behbood, M. Napolitano, G. Colangelo, F. Martin Ciurana, R.J. Sewell & M.W. Mitchell. Feedback-cooling of an atomic spin ensemble. Physical Review Letters 110(10):103601 (2013). link to pdf

5. G. Colangelo, R.J. Sewell, N. Behbood, F. Martin Ciurana, G. Triginer & M.W. Mitchell. Quantum atom-light interfaces in the gaussian description for spin-1 systems. New Journal of Physics 15, 103007 (2013). link to pdf

6. R.J. Sewell, M. Napolitano, N. Behbood, G. Collangelo & M.W. Mitchell. Certified quantum non-demolition measurement of a macroscopic material system. Nature Photonics, 7, 517 (2013). link to pdf

7. N. Behbood, F. Martin Ciurana, G. Colangelo, M.W. Mitchell & R.J. Sewell. Real-time vector field tracking with a cold-atom magnetometer. Applied Physics Letters 102(17):173504 (2013). link to pdf
   • Selected an Editor’s Pick in device physics by Applied Physics Letters June 2014.

8. P. Hauke, R.J. Sewell, M.W. Mitchell & M. Lewenstein. Quantum control of spin-correlations in ultracold lattice gases. Physical Review A 87(2):021601(R) (2013). link to pdf

9. R.J. Sewell, M. Koschorreck, M. Napolitano, B. Dubost, N. Behbood & M.W. Mitchell. Magnetic sensitivity beyond the projection noise limit by spin squeezing. Physical Review Letters 109(25):253605 (2012). link to pdf

10. M.W. Mitchell, M. Koschorreck, M. Kubasik, M. Napolitano & R.J. Sewell. Certified quantum non-demolition measurement of material systems. New Journal of Physics 14(8):085021 (2012). link to pdf

11. Dubost, M. Koschorreck, M. Napolitano, N. Behbood, R.J. Sewell & M.W. Mitchell. Efficient quantification of non-demolition Gaussian spin distributions. Physical Review Letters 108(18):183602 (2012). link to pdf

12. F.A. Beduini, N. Behbood, Y. de Icaza, B. Dubost, M. Koschorreck, M. Napolitano, A. Predojević, R.J. Sewell, F. Wolfgramm & M.W. Mitchell. Metrología cuántica con átomos y fotones. Óptica pura y aplicada, 44(2):315 (2011).

13. M. Napolitano, M. Koschorreck, B. Dubost, N. Behbood, R.J. Sewell & M.W. Mitchell. Interaction-based quantum metrology showing scaling beyond the Heisenberg limit. Nature 471(7339):486 (2011). link to pdf
    • Highlighted in Physics World March 24, 2011.

14. F. Baumgärtner, R.J. Sewell, S. Eriksson, I. Llorente-García, J. Dingjan, J. P. Cotter & E. A. Hinds. Measuring Energy Differences by BEC Interferometry on a Chip. Physical Review Letters 105(24):243003 (2010). link to pdf

15. R.J. Sewell, J. Dingjan, F. Baumgärtner, I. Llorente-García, S. Eriksson, E. A. Hinds, G. Lewis, P. Srinivasan, Z. Moktadir, C. O. Gollasch & M. Kraft. Atom Chip for BEC Interferometry. Journal of Physics B: Atomic, Molecular & Optical Physics. 43(5):051003 (2010). link to pdf
    • Selected as one of the Journal of Physics B Highlight Papers in 2010.

Preprints

1. N. Behbood, F. Martin Ciurana, G. Colangelo, M. Napolitano, G. Tóth, R.J. Sewell & M.W. Mitchell. Generation of macroscopic singlet states in a cold atomic ensemble. arXiv:1403.1964. link to pdf

#Popular articles

1. R.J.Sewell. Viewpoint: Photonic Hat Trick. Physics 10, 38 (2017).

2. M. Napolitano, M. Koschorreck, B. Dubost, N. Behbood, R.J. Sewell & M.W. Mitchell. Quantum Optics & the “Heisenberg Limit” of Measurement. Optics & Photonics News 22, 40 (2011).

3. R.J.Sewell & M.W. Mitchell. Collaboration & precision in quantum measurement. Physics Today 64(12):72 (2011).
   • Translated & published as コラボで上がる測定精度. Parity (Japanese Physics Magazine) 27(10):50 (2012).
4. M. Campoy Quiles & R.J. Sewell. !Y Se Hizo La Luz!… Láser. Ciencia, Publicatión Semestral de la Agrupación Astronómica Rias Baixas 8:13 (2010).