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Junior (Assistant) Professor in Condensed Matter Theory
Institut für Physik, KOMET 337
Staudingerweg 7 / Room 03-134
Johannes Gutenberg-Universität, 55099 Mainz, Germany
roman.orus@uni-mainz.de
Phone: +49 6131 39 204 61 / Fax: +49 6131 39 209 54
Skype: roman.orus
Quick academic bio:
• April 2013 - Today: Junior Professor (W1) in Condensed Matter Theory at the Johannes-Gutenberg Universität Mainz (Mainz, Germany), in the KOMET 337 group.
• March – April 2016: visiting Professor, Laboratoire de Physique Théorique, Université Paul Sabatier – CNRS (Toulouse, France).
• December 2010 – March 2013: postdoctoral research fellow (Marie Curie) at the Max Planck Institute of Quantum Optics (Garching, Germany), in the Theory Division led by Prof. Ignacio Cirac.
• September 2006 – November 2010: postdoctoral research fellow (ARC) at The University of Queensland (Brisbane, Australia), in the group of Entanglement, Many-body Systems & Simulations led by Prof. Guifre Vidal.
• July 2006: PhD in Physics at the University of Barcelona (Spain) under the supervision of Prof. Jose I. Latorre.
Quick curiosities:
• I was born in Barcelona. I like playing my guitars, diving, hiking, traveling, cooking and thinking. And I also like coffee, specially this one.
• You can download my PhD thesis here.
• My GOOGLE SCHOLAR profile.
• My RESEARCHER-ID:
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News
• 23/08/2016: New paper! Systematic construction of spin liquids on the square lattice from tensor networks with SU(2) symmetry
• 02/08/2016: New paper! The spin-1/2 Kagome XXZ model in a field: competition between lattice nematic and solid orders
• 19/07/2016: New paper! Entanglement Continuous Unitary Transformations
• 24/05/2016: Paper accepted in PRB! Symmetry-protected intermediate trivial phases in quantum spin chains
• 17/05/2016: New paper! Kitaev honeycomb tensor networks: exact unitary circuits and applications
• 11/02/2016: Paper accepted in PRB! Spin-S kagome quantum antiferromagnets in a field with tensor networks
• 04/02/2016: I will be in Toulouse from 7/3 to 16/04.
• 04/02/2016: Marc Ziegler got the university prite for his Master thesis. Congratulations!
• 20/11/2015: New paper! Symmetry-protected intermediate trivial phases in quantum spin chains
• 20/11/2015: Dawei Pang visiting on 23rd and 24th, and talking about AdS/CFT
• 19/11/2015: Adil Gangat visiting until December
• 17/09/2015: workshop in Benasque approaching: Entanglement in strongly correlated systems
• 17/09/2015: New paper! Spin-S kagome quantum antiferromagnets in a field with tensor networks
• 07/07/2015: Paper accepted in PRB! The iPEPS algorithm, improved: fast full update and gauge fixing
• 01/06/2015: Today I learned that, as of today, my review in Annals of Physics is one of the most frequently downloaded papers from the journal
• 01/06/2015: Charalampas Papadopoulos will join the group as a PhD student. Welcome!
• 06/05/2015: Paper accepted in PRB! All spin-1 topological phases in a single spin-2 chain
• 04/05/2015: Ryan Sweke visiting until mid-July.
• 19/3/2015: New paper! The iPEPS algorithm, improved: fast full update and gauge fixing
• 17/3/2015: Philipp Schmoll joins the group as master student. Welcome!
• 16/02/2015: Paper published in PRL! Topological transitions from multipartite entanglement with tensor networks: a procedure for sharper ans faster characterization.
• 10/12/2014: New paper! All spin-1 topological phases in a single spin-2 chain
• 3/10/2014: Kai Zapp and Serkan Sahin join the group as master students. Welcome!
• 3/10/2014: New paper! Topological Minimally Entangled States via Geometric Measure
• 24/9/2014: I have been awarded the Early Career Prize from the European Physical Society (EPS press release and JGU press release).
• 24/7/2014: New paper! Advances on tensor network theory: symmetries, fermions, entanglement, and holography
• 2/7/2014: Paper published in Annals of Physics! A practical introduction to tensor networks: matrix product states and projected entangled pair states.
• 4/6/2014: New paper! Topological transitions from multipartite entanglement with tensor networks: sharper and faster
• on July 2014: Lecturing on Tensor Networks in a summer school in Les Houches (France).
• on 10-13/6/2014: Lecturing on Tensor Networks at the University of the Basque Country, Solano’s Group (Spain).
• on 5/6/2014: Lecturing on Tensor Networks in a summer school in Jouvence (Canada).
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Media
• An interview about a workshop I organized in Benasque for Aragón Radio (in Spanish, minute 34:20)
• Highlight in Quanta Magazine
• An interview for the popular science youtube channel Benasque ConCiencia, together with David Perez-Garcia (in Spanish)
• Some of my work was highlighted in the popular science blog ScienceNews: part 1 and part 2
• An interview about a workshop I organized in Benasque for Radio Huesca, Cadena Ser (in Spanish)
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Recently Organized Events
• Entanglement in strongly correlated systems (Benasque, February 14-27 2016)
• Perspectives on Quantum Many-Body Entanglement (Mainz, September 25-27 2013)
• Networking tensor networks: many-body systems and simulations (Benasque, May 7-19 2012)
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Some Tutorial Talks
• Kashiwa (Japan) (2016): part 1 (youtube), part 2 (youtube), part 2 (slides)
• Southampton (UK) (2016): part 1, part 2
• Les Houches (France) (2014).
• Taipei (taiwan) (2012) – also in youtube! –
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Some Tutorial Documents
• Advances on tensor network theory: symmetries, fermions, entanglement, and holography
• A practical introduction to some topics on Tensor Networks
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Supervised theses
• Philipp Schmoll (Master, JGU, 2016): Exact tensor network states for the Kitaev honeycomb model
• Kai Zapp (Master, JGU, 2015): MPS for lattice gauge theories
• Jacob Jordan (PhD, UQ, 2011): Studies of infinite two-dimensional quantum lattice systems with PEPS
• David Evans (Honors, UQ, 2009): Study of the TEBD algorithm to simulate quantum many-body systems in one spatial dimension
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Funding
Research funding is acknowledged from the Johannes Gutenberg-Universität, the Graduate School of Excellence MAINZ, the German Academic Exchange Service (DAAD), and the Deutsche Forschungsgemeinschaft (DFG).
