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Dr. Paul Eastham

Naughton Associate Professor in Physics (Physics)
LLOYD INSTITUTE


Following my PhD in Theoretical Condensed Matter Physics at the University of Cambridge, in which I developed a theory of Bose-Einstein condensation of polaritons, I held research appointments in Imperial College London and Cambridge, as well as a Junior Research Fellowship at Sidney Sussex College Cambridge. I worked in several areas, including quantum collective behaviour, semiconductor optics, the quantum Hall effect, and complex systems. In 2009 I was awarded a Starting Investigator Research Grant by Science Foundation Ireland to establish a new theory group, complementary to the experimental photonics and condensed-matter research groups, in the School of Physics at Trinity College Dublin. I have been the Naughton Assistant Professor of Physics there since 2012, and am the Principal Investigator of the Quantum Light and Matter Group.
 Strong interactions and collective effects in semiconductor optoelectronics
 Coherent matter in semiconductor microcavities: non-equilibrium polariton condensates
 Sidney Sussex College Junior Research Fellowship

Details Date From Date To
Institute of Physics 1/10/1993
American Association for the Advancement of Science 14/04/2016
H. Ohadi, Y. del Valle-Inclan Redondo, A. J. Ramsay, Z. Hatzopoulos, T. C. H. Liew, P. R. Eastham, P. G. Savvidis, J. J. Baumberg, Synchronization crossover of polariton condensates in weakly disordered lattices, Physical Review B, 97, 2018, p195109 , Journal Article, PUBLISHED  TARA - Full Text  DOI  URL  URL
R. L. Mc Guinness and P. R. Eastham, Chern numbers for the index surfaces of photonic crystals: conical refraction as a basis for topological materials, Physical Review A, 98, 2018, p023826 , Journal Article, PUBLISHED  TARA - Full Text  DOI
H. M. Cammack, P. Kirton, T. M. Stace, P. R. Eastham, J. Keeling and B. W. Lovett, Coherence protection in coupled quantum systems, Physical Review A, 97, 2018, p022103 , Journal Article, PUBLISHED  TARA - Full Text  DOI
Disorder, synchronization and phase-locking in non-equilibrium Bose-Einstein condensates in, editor(s)N. P. Proukakis, D. W. Snoke, P. B. Littlewood , Universal themes of Bose-Einstein condensation, Cambridge University Press, 2017, pp462 - 476, [P. R. Eastham and B. Rosenow], Book Chapter, PUBLISHED
R. McGuinness and P. Eastham, Optical Chern insulators from conical refraction, CLEO/Europe-EQEC 2017, 2017, pp1- , Conference Paper, PUBLISHED
F. Bello and P. R. Eastham, Localization and self-trapping in driven-dissipative polariton condensates, Physical Review B, 95, 2017, p245312-, Journal Article, PUBLISHED  TARA - Full Text  DOI
Kyle E. Ballantine, John F. Donegan, Paul R. Eastham, There are many ways to spin a photon: Half-quantization of a total optical angular momentum, Science Advances, 2, (4), 2016, pe1501748 , Journal Article, PUBLISHED  DOI  URL
Vasilios D. Karanikolas, Cristian A. Marocico, Paul R. Eastham, A. Louise Bradley, Near-field relaxation of a quantum emitter to 2D semiconductors: surface dissipation and exciton polaritons, Physical Review B, 94, 2016, p195418-, Journal Article, PUBLISHED  DOI
P. R. Eastham, P. Kirton, H. M. Cammack, B. W. Lovett, J. Keeling, Bath induced coherence and the secular approximation, Physical Review A, 90, 2016, p013803 , Journal Article, PUBLISHED  DOI
C. P. Dietrich, R. Johne, T. Michalsky, C. Sturm, P. Eastham, H. Franke, M. Lange, M. Grundmann, and R. Schmidt-Grund, Parametric relaxation in whispering gallery mode exciton-polariton condensates, Physical Review B, 91, 2015, p041202(R)-, Journal Article, PUBLISHED  TARA - Full Text  DOI
  

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R. McGuinness and P. Eastham, Optical Chern insulators from conical refraction, Topical Research Meeting on Topological States in Strongly Interacting Light-Matter Systems, Milton Keynes, U.K., 19/3/2018, 2018, Oral Presentation, PRESENTED
R. McGuinness and P. Eastham, Optical Chern insulators from conical refraction, Irish Quantum Foundations, Dublin, 28/05/2018, 2018, Oral Presentation, PRESENTED
C. Murphy and P. R. Eastham, Theory of a Laser Controlled Single Quantum Dot Heat Pump, Polaron Day 2018, Nottingham, U.K., 17/05/2018, 2018, Poster, PRESENTED
John Moroney and P. R. Eastham, Synchronization in asymmetrically-pumped polariton josephson junctions, Quantum Fluids of Light and Matter, Les Houches, France, 2018, Poster, PRESENTED
C. Murphy and P. R. Eastham, Quantum thermal machines with a laser controlled quantum dot, Collective Behaviour in Quantum Matter, Trieste, Italy, 2018, Poster, PRESENTED
P. R. Eastham. K. E. Ballantine and J. F. Donegan, Half quantization of optical angular momentum, Fourth International Conference on Optical Angular Momentum, Anacapri, Capri, Italy, 18/09/2017, 2017, Invited Talk, ACCEPTED
P. R. Eastham, F. Bello, The Josephson junction redux: non-equilibrium self-trapping in polariton condensates, Hybrid Photonics and Materials International Conference, Mykonos, Greece, 25/09/2017, 2017, Invited Talk, ACCEPTED
P. R. Eastham, Platforms for quantum thermodynamics, QuantERA proposer's day, Valletta, Malta, 16/02/2017, 2017, Poster, PUBLISHED
P. R. Eastham, Quantum control and thermodynamics in semiconductor nanostructures, Quantum Control of Light and Matter (Gordon Research Conference), Mount Holyoke College, South Hadley MA, USA, 06/08/2017, 2017, Poster, ACCEPTED
P. R. Eastham, Spinning the 2D electromagnetic field: half-quantization of an optical angular momentum, Department Seminar, NUI Maynooth, 12/04/2016, 2016, Invited Talk, PUBLISHED

  

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My research explores the quantum physics of light and matter, generally in the context of semiconductor nanostructures like quantum dots, wells, and microcavities. I have a particular interest in the interplay between many-particle physics and quantum coherence, and the exotic collective behaviours that can result, like Bose-Einstein condensation. More generally I am interested in the possibilities for generating new physics by controlling the motion of electrons and photons in nanostructured materials and devices, and the possibilities for exploiting this physics in areas such as energy harvesting, quantum computing, and photonics. Related areas of research include semiconductor optics, topological effects in optics and condensed-matter, decoherence and quantum control in solid-state qubits, and photonic materials. My work is primarily theoretical, but I work closely with experimentalists to ensure its relevance and increase its impact.