https://www.qusys-tcd.com/home daily 1.0 2024-07-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605871193593-T6LUFC5WWEK960TWCI4D/Asset+29try.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605870220307-R8DQ7Q12YLXC7P4XM5H7/Asset+23try.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605884933740-Y0ND1VIMOZ45N04YJSQ0/Asset+1try.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/b79c24ff-87f7-4d33-a028-8f3a70df7619/Asset+3try.jpg https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/a3bf1644-b411-4d33-a270-1c152bd58d9d/quanutm_simulation%40400x.png https://www.qusys-tcd.com/publications daily 0.75 2026-01-22 https://www.qusys-tcd.com/contact-us daily 0.75 2020-11-24 https://www.qusys-tcd.com/team daily 0.75 2026-01-21 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/b0766028-78f0-434a-aa26-ec9e3054ad42/qusys2024.jpg 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https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/a99a3189-5808-4cf4-8b45-85550e98d222/IMG_20220307_124659.jpg https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/872da405-5106-44a5-978b-0b415eb577b5/ivan+medina https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606929895093-0GCVP7KUZZXXNLFPN43G/Oisin_Photo.jpg https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/07b023e7-9955-4d60-ac7c-3271b2201c79/nathan.jpeg https://www.qusys-tcd.com/our-mission- daily 0.75 2023-01-06 https://www.qusys-tcd.com/john daily 0.75 2020-11-24 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606257464296-BOTTEP9SERFA35A97SW3/John1.png John Goold https://www.qusys-tcd.com/archak daily 0.75 2020-12-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605876906261-QSBPQ39BVKT8OZ8R2EUE/archak2.jpg Archak https://www.qusys-tcd.com/mark daily 0.75 2021-08-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605878449599-WWZ9RQD1RY5160VVI396/mark.jpeg Mark https://www.qusys-tcd.com/francesca daily 0.75 2022-05-12 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605879569042-1N723XM3OX0DHJEMVVI0/Francesca-ictp.jpg Francesca https://www.qusys-tcd.com/marlon daily 0.75 2020-12-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606400971628-3U4UBF7V2LLEUZPPJWHA/marlon%2Bcopy.jpg Marlon https://www.qusys-tcd.com/cecilia daily 0.75 2022-04-26 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605880476728-DO3OG3A75WL7A5DJY3AC/ceci_pic.jpg Cecilia https://www.qusys-tcd.com/maria daily 0.75 2021-12-06 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605880713206-NT7C6UA8OFX1JC5EH1WB/headshot.jpg Maria https://www.qusys-tcd.com/research daily 0.75 2023-01-06 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605887769934-7YVUEHCFTS9BAUHSRXHU/Asset+23try.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605887720745-WGRMWONHHUZOIIXZSL1A/Asset+1try.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/33247d51-e581-435e-aeef-cbfbe3b91fb9/Asset3tryCopy.jpg https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/078c2517-3e8e-4bb3-8081-2c725e4d3f4f/quanutm_simulation%40400x.png https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605887393618-MU91PK6GMUCH2DDNTDT7/Asset+23try.png Research - Energetics of Quantum Information Processing Nascent quantum technologies, such as quantum computation, promise to revolutionize the way we communicate, process, and store information. They work by exploiting the quantum behaviour of microscopic objects like atoms and photons, which can be put into bizarre states of superposition where several contradictory properties coexist. This unique operating principle calls for a completely new understanding of the energetics of information processing. How much energy does it cost to apply a quantum logic gate, or to erase information stored in a quantum memory? Our group tries to answer questions like these, which impact the feasibility and sustainability of next-generation quantum technologies. Doing so requires us to revisit established concepts in thermodynamics and information theory, and update them for the 21st century. https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605887501397-BBR558PH342JCAFEEELJ/Asset+1try.png Research - Quantum Stochastic Thermodynamics Experimental physics has reached a stage where individual quantum systems, such as single molecules, can be manipulated and measured in the laboratory. Their tiny size makes these systems attractive for many applications, e.g. as non-invasive sensors or energy-harvesting devices. However, any small system is continuously buffeted by thermal noise, leading to significant fluctuations that can affect device operation. Crucially, though, these fluctuations are not completely random as they are governed by the laws of stochastic thermodynamics, a theory which generalizes notions such as work, heat and entropy production to the nanoscale. Research in our group develops the theory of stochastic thermodynamics for quantum systems. We aim to uncover the fundamental principles dictating the performance of quantum machines operating far from equilibrium. We apply our results to a variety of different physical setups, including trapped ions, mesoscopic electronic circuits, and nano-mechanical oscillators. https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1605888005209-4T8NM9LE8X3NLZR0J9HM/Asset+3try.png Research - Thermalisation and transport in complex systems Irreversibility is a familiar feature of the everyday world: a hot cup of coffee inevitably cools down but never spontaneously warms itself back up again. Yet the origin of irreversibility from the fundamental laws of physics is one of the most famous and enduring mysteries in all of science. A major focus of our group is understanding how irreversible behaviour emerges in complex quantum systems that comprise many interacting constituents. We develop advanced algorithms to simulate the behaviour of such systems, allowing us to unravel the microscopic features that give rise to thermalisation, diffusion, and chaos — the hallmarks of irreversibility. These insights help to understand cutting-edge experiments on isolated quantum many-body systems, such as ultracold atomic gases and trapped-ion crystals. https://www.qusys-tcd.com/katerina daily 0.75 2020-12-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606400920650-RIQU3XLKT9EBGQNNZN8O/Katerina.jpg Katerina https://www.qusys-tcd.com/steve daily 0.75 2023-01-06 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606401309631-OOPHGU4016MF13C0WXIQ/photo2.jpg Steve https://www.qusys-tcd.com/oisin daily 0.75 2021-12-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606401701485-V6SO9Z0G392UHP8CV042/Oisin_Photo.jpg Oisin https://www.qusys-tcd.com/mairi daily 0.75 2020-12-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606937956670-KIFD4ECQXURDGD1PDO6Z/MARI.png Mairi https://www.qusys-tcd.com/giacomo daily 0.75 2020-12-09 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606402183153-VUXYM62H6FAD6ZX9R1R8/Giacomo.jpg Giacomo https://www.qusys-tcd.com/conor daily 0.75 2021-12-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1606402469353-4X264N6W7USWXXZ8RSZD/IMG_20201110_122220_896.jpg Conor https://www.qusys-tcd.com/antoine daily 0.75 2020-12-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1607006254578-BBGPJ9AG8S3IHV1FKLH4/Antoine2.jpg Antoine https://www.qusys-tcd.com/carmen daily 0.75 2020-12-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/1607006736298-ZEJUUJWI50XSQZJFM3OT/image-asset.jpeg Carmen https://www.qusys-tcd.com/artur daily 0.75 2021-12-01 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/96896184-3e98-4272-b724-b87808f7cf65/artur.png Artur https://www.qusys-tcd.com/michael daily 0.75 2021-12-01 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/3b6b9a16-79d4-4392-8be9-4b5415f26807/michael.png Michael https://www.qusys-tcd.com/laetitia daily 0.75 2023-07-24 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/7cb2a315-f281-42e0-b4d0-3308fc9e33fd/IMG_2863.jpg Laetitia https://www.qusys-tcd.com/shane daily 0.75 2021-12-03 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/992e489f-990a-4de4-8d74-482f3a0735c2/shane_photo.jpg Shane https://www.qusys-tcd.com/nathan daily 0.75 2021-12-01 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/6be095a1-d7c6-4d25-8b71-4f99eb106035/nathan.jpeg Nathan https://www.qusys-tcd.com/alessandro daily 0.75 2025-11-27 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/35e7452f-02b5-4ac4-92cf-5953a501644d/IMG_2864.jpg https://www.qusys-tcd.com/leonard daily 0.75 2021-12-06 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/096bbd44-464a-4884-9a2f-534556cecfd9/IMG_20211205_115530.jpg Leonard https://www.qusys-tcd.com/gabriel daily 0.75 2021-12-06 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/c0bc28e5-b995-4963-9ce4-1ac7e58c80d3/gabriel_landi.jpeg Gabriel Landi https://www.qusys-tcd.com/icarus daily 0.75 2022-03-10 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/5977b058-1861-47ec-ace7-c116f88c86bc/icarus_logo.png Icarus - ICARUS: Information Content of locAlisation: fRom classical to qUantum Systems In this project we study quantum dynamics in the presence of disorder, and specifically the Anderson and manybody localization transition to a phase where transport and thermalization are absent. Localization in quantum systems has both deep fundamental implications in many different fields and exciting practical applications in quantum technology. Given its peculiar properties, the problem of localization is a rich, challenging and lively topic with relevance to several subfields: condensed matter theory, the foundations of statistical physics, atomic, molecular and optical experiments, and exciting possible technological applications such as quantum memories. We aim to improve understanding of it with a three-fold approach: Using methods from quantum information to understand systems with peculiar quantum dynamics; Analysing dynamics in disordered and quasidisordered models using state of the art methods; Developing new theoretical tools coming from the physics of disordered systems. https://www.qusys-tcd.com/john-brennan daily 0.75 2022-03-11 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/013b93a2-8e9c-4d71-91de-99443518952d/john_br.jpg John Brennan https://www.qusys-tcd.com/emerald daily 0.75 2024-05-24 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/346828fb-6be5-444a-989c-30f1e4c97b1c/Fig6b.png Emerald https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/45aa1750-1a21-48f5-866c-7155372df2ed/Fig-S7b.png Emerald https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/613d0cdc-9921-466e-8df9-e0e871e747dc/Fig-S7c.png Emerald https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/ba9a6056-a5ca-4df5-91e0-387280ec44c8/Fig-S7d.png Emerald https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/d04625f0-884e-48b7-8376-2a4e917aeec8/Fig6a.png Emerald https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/7313e2ee-2cfc-4701-8181-d81ab85147b0/greece.png Emerald Climate change is an urgent challenge and impacts ecosystems, society, and economic activities. With EMERALD, we focus on the problem of loss of fertile soil (soil degradation), a process that is induced and accelerated by extreme weather and climate change and affects, among other sectors, agriculture, land use planning and food security. Current tools to monitor soil health for commercial purposes or policy-making are either limited in scale due to high cost, or insufficiently accurate due to the lack of underlying robust models. Loss of fertile soil (soil degradation) is one of the most striking consequences of climate change. Specific causes include rising temperatures and reduction of moisture but also soil erosion processes such as removal of topsoil by heavy rainfalls and loss of protective vegetation cover. Desertification is a phase transition; the land degradation transition, and specifically its early onset, can be observed through a model of plant growth dynamics. As environmental stress increases, the growth geometry changes towards a clustered, fragmented pattern. This is an instance of the so-called percolation transition, a well-known statistical physics model. The EMERALD Proof of Concept aims to test, further develop, and promote final users' uptake of a novel soil degradation evaluation founded in the statistical physics of disordered systems. https://www.qusys-tcd.com/sam daily 0.75 2022-07-29 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/b094176e-1abc-4c90-8137-9c0db5eb8601/IMG_20220307_124659.jpg Samuel https://www.qusys-tcd.com/krissia daily 0.75 2022-09-12 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/f548bcc9-c62e-4bac-86ed-39965e2d9f11/krissia.png Krissia https://www.qusys-tcd.com/jamil daily 0.75 2023-03-05 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/af7372b9-e9fe-433f-9fd5-182b2a799139/1678016198735.jpg Jamil https://www.qusys-tcd.com/hediye daily 0.75 2023-09-07 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/37cd8201-d8b3-4cb9-a549-bf0680bf469f/SOQL5001.JPEG Hediye https://www.qusys-tcd.com/alex daily 0.75 2024-02-23 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/83ef1b1a-4170-4cdd-8034-3da80893fe8c/tcd.jpg Alex https://www.qusys-tcd.com/emerald-gallery daily 0.75 2024-05-24 https://www.qusys-tcd.com/shivansh daily 0.75 2024-09-10 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/4b0de24c-27ff-442e-8f51-c177cda9a4f8/picture.jpeg Shivansh https://www.qusys-tcd.com/aaron-m daily 0.75 2024-09-10 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/a3d2ab2b-a3b8-4340-8a1a-8e0dcb82df51/preview-9857.png Aaron Miller https://www.qusys-tcd.com/aaronf daily 0.75 2024-09-25 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/d2f920a8-114b-4782-8279-417132922a5b/IMG_5282.jpg AaronF https://www.qusys-tcd.com/guilherme daily 0.75 2024-09-12 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/5789a003-c417-472a-b91d-9d7d5ba1ce65/5049+%281%29.JPG https://www.qusys-tcd.com/ivan daily 0.75 2024-09-23 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/e82de70a-b397-4020-b971-889798fcfcbf/IMG_20240528_155327.jpg Ivan https://www.qusys-tcd.com/mattia daily 0.75 2025-06-27 https://images.squarespace-cdn.com/content/v1/5fb79e147f24c4092e225ce6/8f423d6f-6ecd-4837-b322-fdb5098f15fe/8b853f97-642f-4e35-99d8-6d60241f8d6b.jpg Mattia