Grŵp Ymchwil Ffiseg Atomig, Moleciwlaidd a Chwantwm

• Ymchwil Gwrth-hydrogen gyda'r Cydweithrediadau ALPHA a GBAR
• Efelychiadau a chyfrifiadau o ryngweithio antiproton gyda phositronau ac atomau positronium
• Ymchwil positronium, gan gynnwys rhyngweithiadau ag ïonau wedi'u dal
• Ffiseg pelydr positron, a sbectrosgopeg dinistrio positronau
• Atomau oer iawn gyda nano-ffibrau optegol taprog fel rhyngwyneb cwantwm
• Cyfrifiadura cwantwm ac efelychu i ddatblygu systemau atomig, moleciwlaidd ac optegol ar gyfer prosesu gwybodaeth cwantwm
• Datblygu rhwydweithiau niwral cwantwm, yn seiliedig ar atomau a ffotonau
• Cenhedlaeth pwls electron femto-eiliad ar gyfer delweddu deinameg adeileddol wedi'i datrys gan amser yn y cyfnod cyddwyso
• Sbectrosgopeg Dadansoddi a Achosir gan Laser (LIBS)
• Optomecaneg ar gyfer mesuriadau sylfaenol a chymwysiadau technolegol
• Rheolaeth addasol o belydrau-X meddal ar gyfer delweddu cydlynol
• Modelu, efelychu a rheoli systemau cwantwm gyda chymwysiadau i dechnoleg cwantwm, spintronics a sbectrosgopeg MR

• Dr James Bateman
• Dr Will Bryan
• Prof Mike Charlton
• Prof Stefan Eriksson
• Dr Aled Isaac
• Prof Niels Madsen
• Prof Markus Müller
• Dr Kevin O’Keeffe
• Dr Sophie Schirmer
• Dr Angharad Thomas
• Prof Dirk Peter van der Werf

Postdoctoral researchers and honorary research associates:

• Dr Chris Baker
• Dr Alejandro Bermudez
• Dr April Cridland (based at CERN)
• Dr Dan Maxwell (based at CERN)
• Dr Amit Pal
• Dr Ciaran Ryan-Anderson
• Dr Nikolas Semaltinos
• Dr Davide Vodola

• University of Manchester
• University of Liverpool
• University College London
• Queen’s University, Belfast
• Aarhus University
• UC Berkeley
• Universidade Federal do Rio de Janeiro
• Ben-Gurion University of the Negev
• University of Calgary
• University of British Colombia
• Simon Fraser University
• Stockholm University
• York University, Toronto
• EPFL, Lausanne
• University of Victoria, Canada
• Purdue University
• Marquette University
• Curtin University
• University of Lincoln, Nebraska
• Brescia University
• ETH Zurich
• Laboratoire Kastler Brossel, CNRS, ENS-PSL, Paris, France
• PN Lebedev Institute, Moscow
• University of Paris Sud
• Uppsala University
• Institut de Physique et Chimiedes Materiaux, Strasbourg
• University of Tokyo
• Kyoto University
• Tokyo University of Science
• Johannes Gutenberg University, Mainz
• Narodowe Centrum Badan Jadrowych ul Andrzeja Soltana, Swierk, Poland
• Seoul University, Korea
• Korea University Sejong Campus
• Oxford University
• Southampton University
• University of Innsbruck, Austria
• University of Nottingham,
• University of Sydney, Australia
• Aarhus University
• Prifysgol Caerdydd (Ffiseg, Cyfrifiadureg, CUBRIC)
• University of Cambridge
• University of Southern California (USC)

Diwydiant

• Centre for Compound Semiconductors (CSC), IQE, Hitachi, M2Lasers, Siemens (research agreement), XUVASI

Partneriaid Diwydiant ar grant Ymchwil yr UE (Yr Athro Müller)

• Toptica
• Bull SAS (ATOS), Supercomputing
• Fraunhofer Gesellschaft, IOF
• AKKA Electronics

Grŵp Theori Cyfrifo Cwantwm a Theori Efelychu (http://markus-mueller.website)

• CERN
• STFC Central Laser Facility, Rutherford Appleton Laboratory
• Cockcroft Institute, Sci-Tech, Daresbury
• TRIUMF, Vancouver, Canada
• Soreq NRC, Yavne, Israel
• IRFU, CEA/Saclay, Ffrainc
• ILL, Grenoble
• Ulsan National Institute for Science and Technology, Corea
• Institute for Basic Science, Daejeon, Corea
• Atomic Physics Laboratory, RIKEN, Siapan
• Los Alamos National Laboratory, UDA

ALPHA Antihydrogen Collaboration (http://alpha.web.cern.ch/)

GBAR Antihydrogen Collaboration  (http://gbar.web.cern.ch/GBAR/)

AQTION Collaboration - EU Quantum Technology Flagship Grant for Advanced Quantum Computing with Trapped Ions (https://cordis.europa.eu/project/id/820495)

MAQRO Consortium http://maqro-mission.org/

US-UK Advanced Studies Institute in Robust Control of Quantum Networks (https://langbein.org/asi201820/)

Spin injection into dilute magnetic Gallium Nitride Transistors (CSC project, http://compoundsemiconductorhub.org/)

• Offeryniaeth pelydr positron a thrapio
• Offeryniaeth sbectrosgopeg difodiant positron (PAS)
• Sbectrosgopeg Dadansoddi a Achosir gan Laser
• Offer efelychu ac asesu rhifiadol ar gyfer proseswyr gwybodaeth cwantwm
• Gwneuthuriad a nodweddu lled-ddargludyddion (CNH)
• Delweddu Meddygol (MRI trwy feddygaeth)
• Trapio a thrin atomau oer

1. Arbenigedd ar brosesu gwybodaeth cwantwm graddadwy
2. Ffiseg AMO a chymwysiadau ar gyfer technolegau cwantwm
3. Spintronics lled-ddargludyddion cyfansawdd (modelu dyfeisiau, rheoli, gwneuthuriad, nodweddu)
4. Modelu, optimeiddio a rheolaeth gadarn ar ddyfeisiadau cwantwm
5. Datblygu a dilysu technegau newydd ar gyfer MRI meintiol ac MRS

Cychwyn Rhaglen Flaenllaw Technoleg Cwantwm yr UE: https://qt.eu/, https://qt.eu/news/flagship-kickoff-in-vienna/

Asesu Cynnydd Proseswyr Cwantwm Ion sydd wedi'u dal: https://www.swansea.ac.uk/press-office/news-archive/2017/error-freeintothequantumcomputerage.php

Astudiaeth Ddylunio Llwyfan Ffiseg Cwantwm Asiantaeth Ofod Ewrop gyda Chonsortiwm MAQRO: http://maqro-mission.org/news/

Sefydliad Astudiaethau Uwch UDA-DU mewn Rheolaeth Gadarn o Rwydweithiau Cwantwm, https://langbein.org/asi201820/

https://advanceseng.com/controllers-quantum-systems-beat-classical-limits-robustness/

Mae Cyhoeddiadau ALPHA ar gael yma: http://alpha.web.cern.ch/publications

Mae Cyhoeddiadau GBAR ar gael yma: https://gbar.web.cern.ch/GBAR/results/publications.php

Mae cyhoeddiadau dethol diweddar y grŵp yn cynnwys:

1. An improved limit on the charge of antihydrogen from stochastic acceleration, M.Ahmadi and the ALPHA Collaboration, Nature 529 (2016) 373-376(doi:10.138/nature16491)

2. Calculation of antihydrogen formation via antiproton scattering with excited positronium, C.M. Rawlins, A.S. Kadyrov, A.T. Stelbovics, I. Bray and M. Charlton, Phys. Rev. A 93 (2016) 012709 (14 pages) (doi:101103/PhysRevA.93.012709)

3. The role of antihydrogen formation in the radial transport of antiprotons in positron plasmas, S. Jonsell, M. Charlton and D.P. van der Werf, J. Phys. B: At. Mol. Opt.Phys. 49 (2016) 134004 (9 pages) (doi: 10.1088/0953-4075/49/13/134004)

4. Observation of the 1S-2S transition in trapped antihydrogen, M. Ahmadi and the ALPHA Collaboration, Nature 541 (2017) 506-510 (doi:10.1038/nature21040)

5. Cold neutral atoms via charge exchange from excited state positronium: a proposal, W. A. Bertsche, M. Charlton and S. Eriksson, New J. Phys. 19 (2017) 053020 (7 pages) (doi: 10.1088/1367-2630/aa6bb8)

6. Observation of the hyperfine spectrum of antihydrogen, M. Ahmadi and the ALPHA Collaboration, Nature 548 (2017) 66-70 (doi: 10.1038/nature23446)

7. Antihydrogen accumulation for fundamental symmetry tests, M. Ahmadi and the ALPHA Collaboration, Nature Commun. 8 (2017) 681 (6 pages) (doi: 10.138/s41467-017-00760-9)

8. Quantum suppression of antihydrogen formation in positronium-antiproton scattering, A.S. Kadyrov, I. Bray. M. Charlton and I.I. Fabrikant, Nature Commun. (2017) 8 1544 (6 pages) (doi:10.1038/s41467-017-01721-y)

9. Enhanced control and reproducibility of non-neutral plasmas, M. Ahmadi and the ALPHA Collaboration, Phys. Rev. Letts 120 (2018) 025001 (6 pages) (doi:10.1103/PhysRevLett.120.025001)

10. Excitation of positronium: from the ground state to Rydberg levels, C.J. Baker, D. Edwards, C.A. Isaac, H.H. Telle, D.P van der Werf and M. Charlton, J. Phys. B: At. Mol. Opt. Phys. 51 (2018) 035006 (8 pages) (doi: 10.1088/1361-6455/aa9aa2)

11. On the formation of trappable antihydrogen, S. Jonsell and M. Charlton, New. J. Phys. 20 (2018) 043409 (9 pages) (doi: 10.1088/1367-2630/aabc71)

12. Characterisation of the 1S-2S transition in antihydrogen, M. Ahmadi and the ALPHA Collaboration, Nature 557 (2018) 71-75 (doi:10.1038/s41586-0180017-2)

13. Observation of the 1S-2P Lyman-alpha transition in antihydrogen, M. Ahmadi and the ALPHA Collaboration, Nature 561 (2018) 211-15(doi:10.1038/s41586-018-0435-1)

14. D. Vodola, D. Amaro, M.A. Martin-Delgado, M. Müller. Twins Percolation for Qubit Losses in Topological Color Codes. Phys. Rev. Lett. 121, 060501 (2018).

15. D. Amaro, M. Müller, A. K. Pal, Estimating localizable entanglement from witnesses. New Journal of Physics 20, 063017 (2018).

16.  A. Bermudez, X. Xu, R. Nigmatullin, J. O’Gorman, V. Negnevitsky, P. Schindler, T. Monz, U. G. Poschinger, C. Hempel, J. Home, F. Schmidt-Kaler, M. Biercuk, R. Blatt, S. Benjamin, and M. Müller, Assessing the Progress of Trapped-Ion Processors Towards Fault-Tolerant Quantum Computation. Physical Review X 7, 041061 (2017).

17.  A. Bermudez, P. Schindler, T. Monz, R. Blatt and M. Müller, Micromotion-enabled improvement of quantum logic gates with trapped ions. New Journal of Physics 19, 113038 (2017).

18.  A. Bermudez, G. Aarts, and M. Müller, Quantum Sensors for the Generating Functional of Int

Mae cyfleoedd ymchwil ôl-raddedig ar ddod fel ymchwilwyr ôl-ddoethurol a myfyrwyr PhD yn y grŵp cyfrifiant cwantwm ac efelychu dan arweiniad Markus Müller, ar gyfer ymchwil o dan

• y Prosiect Blaenllaw Technoleg Cwantwm yr UE ar Gyfrifiadura Cwantwm Uwch gydag Ionau wedi'u Trapio (AQTION),
• Prosiect Grant Cychwyn ERC Rhwydweithiau Niwral Cwantwm: O Gysyniadau i Weithrediadau gydag Atomau a Ffotonau (QNets).

Dylech wneud ymholiadau gyda Markus Müller (markus.muller@swansea.ac.uk).

Rheolaeth cwantwm, spintronics lled-ddargludyddion a delweddu meddygol (MRI meintiol ac MRS): Sophie Shermer (lw1660@gmail.com)

Mae gan y grwpiau gwrth-hydrogen ALPHA a GBAR a'r grwpiau positron swyddi ar gael. Cysylltwch â'r Athro Mike Charlton (m.charlton@swansea.ac.uk)

Dylid cyfeirio ymholiadau yn y lle cyntaf at:

Yr Athro Mike Charlton (m.charlton@swansea.ac.uk)