CURRICULUM VITAE Bo Hellsing ( )

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1 CURRICULUM VITAE Bo Hellsing ( ) General information Full name: Bo Hellsing Nationality: Swedish Address: Department of Physics University of Gothenburg Phone: +46 (0) S Gothenburg, Fax: +46 (0) Sweden URL: Professional preparation and appointments PhD in Theoretical Physics (supervisor Prof. B.I. Lundqvist), Chalmers University of Technology, Gothenburg, SWEDEN The thesis was devoted to electronic damping of molecular vibrations at metal surfaces. I initiated the first quantitative study of the electronic damping efficiency based on first principles applying Density functional theory (DFT). Docent (Associate Professor) in Theoretical Physics, Chalmers University of Technology, Gothenburg, SWEDEN Professor in Physics. University of Gothenburg, Gothenburg, SWEDEN 2003 to present. University Lecturer (Universitets Lektor), Department of Physics, Chalmers University of Technology, Göteborg, SWEDEN, Collaboration with the experimental group of prof Lars Wallden; electron-phonon mechanism investigated to explain the lifetime broadening of photoemmision data on quantum well systems such as ultra-thin layers on Na on Cu(111). Together with the PhD student Asier Eiguren at the university of San Sebastian we also collaborated with the photoemmision group of F. Reinert, Universität des Saarlandes in Saarbrücken, Germany. With my PhD J. Carlsson I collaborate with the group of Paul Bristow, Department of Materials Science and Metallurgy, University of Cambridge; large scale first principles calculations of inter-facial complex in ZnO and its influence on charge transport. Assistant professor (FoAss), Institute of Theoretical Physics, Chalmers University of Technology, Göteborg, SWEDEN, Research Assistant, Department of Physics, Chalmers University of Technology, Göteborg, SWEDEN, Post Doc, with Prof. H. Metiu, Department of Chemistry, University of California Santa Barbara, Santa Barbara California, USA, I developed simple methods to compute the density matrix of "heavy" quantum particles and an efficient method for solving the Quantum Liouville Equation with application to the electron absorption spectroscopy. Training of students PostDoc: Nicola Lanata ( ), Gutzwiller metod for multi-band systems Ph.D. students which have graduated with B.H. as main supervisor: PhD: Johan Carlsson (2002), A first principles Study of Interface Systems: Electronic properties of Metal Quantum Wells and Varistor Materials PhD: Asier Eiguren (2003), Electron-phonon coupling at metal surfaces PhD: Vanja Linberg (2005), Electron structure and Reactivity of quantum dots on metals PhD: Vasse Chis (2008), Surface phonon structure of clean and alkali covered metal surfaces PhD: Tomas Petersson (Nov ), Surface nano catalysis; carbon dioxide reduction PhD: Hugo Strand (feb ), Electron structure of strongly correlated materials Licentiate thesis: I have supervised 4 thesis: Johan Carlsson (1999), First-principles investigations of a metallic quantum well system - Na on Cu(111) ; Vanja Lindberg (2002), Electron structure of adsorbed Quantum Dots ; Vasse Chis (May 2006), Electron and 1

2 Phonon Surface state Phenomena of Metals ; Hugo Strand ( Feb 2011), Critical Properties of the Mott-Hubbard Metal-Insulator Transition. Experience in leadership I have co-authored 82 international peer reviewed articles, 1637 citations and h-index 24. In addition to the scientific achievements outlined below I have experience in leadership: Head of the Department of Physics, University of Gothenburg Jan 2009 June Time allocated for research 40 %. Forming and coordinated together with prof. A. Stolin, Dep. of Mathematics, Gothenburg University, the platform Mathematics-Physics-Platform (MP2) Mathematical structures of quantum systems: An algebraic, analytical and computational study during the years and financed by the Faculty of Natural Science, University of Gothenburg.. Forming and coordinated the Nordic network, Quantum properties on nano structures, with nine nodes in Sweden, Finland, Denmark and Norway and financed by NordForsk. Evaluation assignments and memberships I have evaluated a handful of applications for lecturer positions in physics. I referee about 5 papers per year, primarily in Physical Review Letters and Physical Review B. I am member of American physical society (APS) and the Swedish physical society. Other merits of relevance: I have initiated and coordinated the following two large scale projects: (1) Nordic network «Quantum properties on nano structures», , financed by NordForsk(homepage: The network was aimed at increasing the Nordic collaboration in the field of physical phenomena related to quantum dot (QD) and nano scale physics. First principles electron structure calculations, reactivity of QD:s and nano structures on surfaces, transport properties of QD, correlation effects and magnetic properties of QD. The focus was to improve the scientific environment for the PhD students; financing inter-group trips for the students, organizing workshops and a summer school. The major events were: Workshop at Hjortviken near Göteborg, Sweden 1-4 of June 2004 ; Workshop in Jyväskylä in Finland October 2005 : Summer school "Surface Reactivity and Nano Catalysis", June 11-16, 2006 at Fuglsocentret, Ebeltoft, Denmark. ; Workshop in Lofoten in Norway August (2) Mathematics-Physics-Platform (MP2) Mathematical structures of quantum systems: An algebraic, analytical and computational study , financed by the Faculty of Natural Science, University of Gothenburg. (homepage: The platform has led to an increased collaboration between mathematicians and theoretical physicists. A number of defined projects linked with each other is now running. The platform was coordinated by me and prof. Alexander Stolin, Department of Mathematics, Chalmers and University of Gothenburg. We started up a number of PhD courses, workshops and conferences with many prominent guests. Financing four PhD student at the Department of Physics and three at the Department of Mathematics. Scientific grants Experimental and theoretical study of the ZnO interface; Project grant 1995, Swedish Natural Science Research Board (E-AD/EG ), granted Euro; «Physical and chemical properties of adsorbed simple metals»; Project grant 1996, Swedish Natural Science Research Board (F-AA/FU ), granted Euro; «Physical and theoretical properties of adsorbed simple metals»; Project grant 1996, Swedish Natural Science Research Board, (F-AA/FU ), granted Euro; Project grant 1997, (F-AA/FU ), granted Euro; Project grant 1998, Swedish Natural Science Research Board (F- AA/FU ), granted Euro 2

3 Electron-phonon coupling at metal surfaces ; Project grant , Swedish Scientific Research Council ( ), granted Euro) Quantum properties of nano structures, Nordic network , NordForsk (Ref.nr.:030210) granted Euro. Mathematical structures of quantum systems: An algebraic, analytical and computational study», Mathematics-Physics-Platform (MP2) , Faculty of Science, University of Gothenburg, granted Euro. 10 invited presentations during July 2012 I was invited by Professor Pedro Miguel Echenique as a visiting professor for one month at Donostia International Physics Center (DIPC), San Sebastian, Spain. I gave one seminar July ; Correlated multiorbital systems, a Gutzwiller study Invited talk: "Correlated multiorbital systems, a Gutzwiller study", Conference: What about U?, SECAM conference, EPFL-Lausanne, May 2012 Invited talk: "Anomalous electron and phonon dynamics", Conference: ASIAN12, Beijing, China, October Invited talk: "Surface electron-phonon interaction", Conference: VAS12, Erice, Italy, Invited talk: "Surface electron-phonon coupling", Conference: eph2007, DIPC, San Sebastian, Spain, May Invited talk: Surface phonons and lifetimes", Tokyo University, Japan, April Invited talk: "Anomalous surface phonon resonances of Cu(111) and electron resonances of Cs. p(2x2) on Cu(111)", Conference: International workshop on quantum dynamics and quantum simulations, Institute of Physics, Beijing, China, May Invited talk: Electron-phonon coupling and lifetimes of excited surface states". Conference: Desorption Induced by Electronic Transitions 10 (DIET-10), Susono in Japan, 8-11 November Invited talk:"lifetime calculations of excited surface states" at the summer school "EPIOPTICS-8", Erice, Sicily, Italy July Invited talk:"nano Catalysis and Lifetimes of Exited States at Metal Surfaces" at the conference (IWNMS-2004) "Nano Materials, Magnetic Ions \& Magnetic Semiconductors Studied Mostly by Hyperfine Interactions ", Baroda. India, February Recently organized International Conferences, workshops and summer schools Organiser: Conference NCES2010, Second Nordic Conference on Correlated Electron Systems, Department of Physics, University of Gothenburg, August 24-26, Co-organiser: Joint Mathematics-Physics Workshop, Asymptotic Analysis and related topics, Department of Mathematics and Department of Physics, University of Gothenburg, May 5-7, Co-organiser: Joint Mathematics-Physics Workshop, Electromagnetic and Atomistic Modeling, Department of Mathematical Sciences and Department of Physics, Gothenburg, March 25-27, Co-organiser: Joint Mathematics-Physics Summer School, Algebraic and computational methods for strongly correlated systems, Department of Physics, University of Gothenburg, August Organiser: Workshop, Quantum Properties of Nano Structures, Lofoten in Norway August Organiser: Workshop, Quantum Properties of Nano Structures, Jyväskylä in Finland 24 October Organiser: Workshop, Quantum Properties of Nano Structures, Hjortviken near Gothenburg, Sweden 1-4 of June

4 Ten selected publications 1. Efficient implementation of the Gutzwiller variational method. N. Lanata, H. Strand, X. Dai, B. Hellsing, Phys. Rev. B, 85(2012) (3 citations). 2. Photoelectron driven acoustic surface plasmon in p(2 2)K/Be(0001): Ab initio calculations. V.M. Silkin, B. Hellsing, L. Wallden, P.M. Echenique, E.V. Chulkov, Phys. Rev. B, Brief Report, 81 (2010) (3 citations). Me and Silkin calculated the dynamical response to a moving electron within Time dependent density functional theory (TDDFT)shake-up spectrum surface caused by a photoelectron. We were able to explain the spectral peak not reproduced by DFT calculation. This was the first study indicating that acoustic surface plasmons could be manifested also by electrons trapped in the quantum well formed by the alkali overlayer. 3. Large surface charge-density oscillations induced by second layer surface phonon resonances. V. Chis, B. Hellsing, G. Benedek, M. Bernasconi, E. Chulkov and J.P. Toennies, Phys. Rev. Lett. 101, (2008) (13 citations). A Density functional perturbation theory study explaining the large helium atom scattering intensity from a longitudinal anomalous resonance found in most metal surfaces by the presence of a complex subsurface phonon mode. 4. Overlayer resonance and quantum well state of Cs/Cu(111) studied with angel-resolved photoemission, LEED and first principles calculations. M. Breitholtz, V. Chis, B. Hellsing, S.-Å. Lindgren and L. Wallden, Physical Review B 75(2007) (13 citations). We identified and characterized not only the quantum well state but also the surface resonance below the lower band gap edge, a remnant of the clean surface state band. 5. Two dimensional localization of fast electrons in p(2x2)-cs/cu(111). V. Chis, S.Caravati, G.Butti, M.Trioni, P.Cabrera-Sanfelix, A.Arnau and B. Hellsing, Phys. Rev. B 76 (2007) 1, (11 citations). A high mobility Gap State is predicted for this system. An electron excited to this state will have enough total energy to escape the surface, however trapped due to large parallel momentum. 6. Surface relaxation influenced by surface states. V. Chis and B. Hellsing, Phys. Rev. Lett 94 (2004) (23 citations). First principles calculations showed slow convergence of surface lattice relaxation with respect to number of slab layers for surface states near bulk band edge. 7. An inter-facial complex in ZnO and its influence on charge transport. J. Carlsson, H.S.Domingos, P.D. Bristowe and B. Hellsing, Phys. Rev. Lett. 91 (2003) (24 citations). Mechanism for electron localization at ZnO grain boundaries. Defect segregation and Bi impurities yields the formation a Bi Zn +V Zn +O i interfacial complex which results in a localized acceptor state. 8. Electron-Phonon coupling at Metal Surfaces. B. Hellsing, A. Eiguren and E. V. Chulkov, J. Phys.: Condens. Matter 14 (2002) 5959 (64 citations). Phonon induced lifetimes of excited surface states. Importance to take into account the full phonon spectrum and screened one-electron potential. 9. Role of bulk and surface phonons in the decay of metal surface states. A. Eiguren, B. Hellsing, F. Reinert, G. Nicolay, E. V. Chulkov, V. M. Silkin, S. Hufner and, P. M. Echenique, Phys. Rev. Lett. 88 (2002) (115 citations). 4

5 The first first principles calculations showing the important role of the electron-phonon coupling in quenching excitations of the surface states of Cu(111) and Ag(111). For Ag(111) the lifetime is dominated by this coupling. 10. A first principles investigation of the quantum well system - Na on Cu(111). J. Carlsson and B. Hellsing, Phys. Rev. B 61(2000) (77 citations). The first ab initio calculations confirming speculations of quantum well states formed for this system. 5