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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
Luísa Toledo Tude and Paul R. Eastham, Quantum thermodynamics of driven-dissipative condensates, APL Quantum, 1, 2024, p036108 , Journal Article, PUBLISHED  DOI
Luisa Toledo Tude, Conor N. Murphy and P. R. Eastham, Overcoming Temperature Limits in the Optical Cooling of Solids Using Light-Dressed States, Phys. Rev. Lett., 132, 2024, p266901 , Journal Article, PUBLISHED  TARA - Full Text  DOI
Eoin P. Butler, Gerald Fux, Carlos Ortega-Taberner, Brendon W. Lovett, Jonathan Keeling, Paul R. Eastham, Optimizing performance of quantum operations with non-Markovian decoherence: the tortoise or the hare?, Physical Review Letters, 132, 2024, p060401 , Journal Article, PUBLISHED  TARA - Full Text  DOI
John P. Moroney, Paul R. Eastham, Synchronization and spacetime vortices in one-dimensional driven-dissipative condensates and coupled oscillator models, Physical Review B, 108, 2023, p195302 , Journal Article, PUBLISHED  DOI
Conor N. Murphy, Luísa Toledo Tude, Paul R. Eastham, Laser cooling beyond rate equations: approaches from quantum thermodynamics, Applied Sciences, 12, 2022, p1620 , Journal Article, PUBLISHED  DOI
Paul R. Eastham and Conor Murphy, Quantum control of solid-state qubits for thermodynamic applications, Proc. SPIE , Photonic Heat Engines: Science and Applications III, Online, 11702, 2021, pp117020I , Conference Paper, PUBLISHED  DOI
John P. Moroney and P. R. Eastham, Synchronization in disordered oscillator lattices: Nonequilibrium phase transition for driven-dissipative bosons, Physical Review Research, 3, 2021, p043092 , Journal Article, PUBLISHED  TARA - Full Text  DOI  URL
Maria Popovic, Mark T. Mitchison, Aidan Strathearn, Brendon W. Lovett, John Goold, Paul R. Eastham, Quantum heat statistics with time-evolving matrix product operators, PRX Quantum, 2, 2021, p020338 , Journal Article, PUBLISHED  TARA - Full Text  DOI
Gerald E. Fux, Eoin P. Butler, Paul R. Eastham, Brendon W. Lovett, Jonathan Keeling, Efficient exploration of Hamiltonian parameter space for optimal control of non-Markovian open quantum systems, Physical Review Letters, 126, 2021, p200401 , Journal Article, PUBLISHED  DOI
R. L. Mc Guinness and P. R. Eastham, Weyl points and exceptional rings with polaritons in bulk semiconductors, Physical Review Research, 2, 2020, p043268 , Journal Article, PUBLISHED  TARA - Full Text  URL
  

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P. R. Eastham, GPEs, coupled oscillators, and KPZ equations: connections and differences, Trends in Polaritonics, Moscow and Online, 30-31 May 2024, 2024, Invited Talk, PRESENTED
P. R. Eastham, GPEs, coupled oscillators, and KPZ equations: connections and differences, Skoletch Seminar Series, Online, 20/06/2024, 2024, Invited Talk, PRESENTED
Luisa Toledo Tude and P. R. Eastham, Driven-dissipative condensates and the second law of thermodynamics, ICSCE 12, Dublin, 10-14 June 2024, 2024, Oral Presentation, PRESENTED
P. R. Eastham, Optimal control and inverse design with process tensors, International Quantum Tensor Network Meeting "Non-Markovian Dynamics", New York, 15-17 September 2023, 2023, Invited Talk, PRESENTED
P. R. Eastham, Polariton superflows: are they dissipationless?, OECS18, Lecce, Italy, 12th-16th June 2023, 2023, Oral Presentation, PRESENTED
Luisa Toledo Tude and Paul Eastham, A model for thermodynamic analysis of polariton condensation, PLMCN 2023, Medellin, Colombia, 2023, Oral Presentation, PRESENTED
Luisa Toledo Tude and Paul Eastham, Polariton condensates and the second law of thermodynamics, OECS18, Lecce, Italy, 2023, Poster, PRESENTED
Paul Eastham and John Moroney, Coherence and synchronization for driven-dissipative condensates in a random potential, ICSCE 11, Burlington, Vermont., 7-11/08/2022, 2022, Oral Presentation, PRESENTED
Paul Eastham and John Moroney, Synchronization of coupled oscillators on finite-dimensional lattices, APS March Meeting 2022, Chicago and Online, 14-18 March 2022, 2022, Oral Presentation, PRESENTED
Luísa Toledo Tude and Paul Eastham, A model for thermodynamics analysis of polariton condensation, ICSCE 11, Burlington, Vermont, 7-11/08/2022, 2022, Poster, PRESENTED

  

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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.