• Ikerbasque Research Professor at DIPC

• Co-Founder & CTO, Multiverse Computing SL

• Partner of Entanglement Partners SL

Donostia International Physics Center (DIPC)
Paseo Manuel de Lardizabal 4
20018 San Sebastián (Guipuzkoa), Spain



Phone: +34 943 01 89 61

Fax: +34 943 01 56 00

Skype: roman.orus

Quick bio:

September 2018 – Today: Ikerbasque Research Professor at the Donostia International Physics Center, DIPC (San Sebastián, Spain).

January 2019 – Today: Visiting Professor at the Barcelona Supercomputing Center, BSC (Barcelona, Spain).

February 2019 – Today: Founder and CTO of Multiverse Computing SL (San Sebastián, Spain).

October 2017 – Today: Partner and advisory board member of Entanglement Partners SL (Barcelona, Spain).

October 2017 – Today: Scientific advisor, Quantum for Quants, Quantum World Association (Barcelona, Spain).

April 2013 - August 2018: Junior Professor (W1) in Condensed Matter Theory at the Johannes-Gutenberg Universität Mainz (Mainz, Germany), in the KOMET 337 group.

April – May 2018: visiting Professor, Donostia International Physics Center, DIPC (San Sebastián, Spain).

March – April 2017: visiting Professor, Donostia International Physics Center, DIPC (San Sebastián, Spain).

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, playing basketball, traveling, cooking and thinking. And I also like coffee, specially this one.

• You can get my PhD thesis here.

• My GOOGLE SCHOLAR profile.

• My LINKEDIN profile.

• My IKERBASQUE profile.



Outreach and Media

• An interview for Basque newspaper Berria, on quantum computing (in Basque).

• Highlight of DIPC-BSC agreement, El Diario Vasco, La Vanguardia (in Spanish).

• Highlight of Multiverse Computing in Expansión (in Spanish).

Medium article on predicting financial crashes with quantum computing.

Medium article on quantum computing for finance.

Open Access Government article on quantum complex systems.

Scientia article on quantum complex systems.

• An interview about quantum technologies for Tecnologia y Sentido Común, Capital Radio (in Spanish, around minute 45).

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)


Recently Organized Events

LatorreFest (Barcelona, May 31st 2019)

Entanglement in strongly correlated systems (Benasque, February 24 – March 9  2019)

Entanglement in strongly correlated systems (Benasque, February 18 – March 3  2018)

Tensor Network Methods: Structure, Applications and Holography (Simons Center for Geometry and Physics, Stony Brook, December 11 – 15 2017)

Entanglement in strongly correlated systems (Benasque, February 5-18  2017)

Entanglement in strongly correlated systems (Benasque, February 14-27  2016)

Numerical and analytical methods for strongly correlated systems (Benasque, August 24 – September 13 2014)

Perspectives on Quantum Many-Body Entanglement (Mainz, September 25-27 2013)

Networking tensor networks: many-body systems and simulations (Benasque, May 7-19 2012)


Some Tutorial Talks

Frankfurt (Germany), (2018) on quantum computing for finance (youtube, min 80).

Ghent (Belgium) (2017) – blackboard on PEPS & computer exercises -.

APCTP (Korea) (2017): part 1 (blackboard), part 2 (slides).

DIPC (San Sebastian) & Les Houches (France) (2017).

Kashiwa (Japan) (2016): part 1 (youtube), part 2 (youtube), part 2 (slides)

Southampton (UK) (2016): part 1, part 2

Les Houches (France) (2014).

Jouvence (Canada) (2014).

DPG meeting (2014).

Taipei (taiwan) (2012) – also in youtube! –


Some Tutorial Documents

Tensor Networks for Complex Quantum Systems

Advances on tensor network theory: symmetries, fermions, entanglement, and holography

A practical introduction to some topics on Tensor Networks


Supervised theses

Augustine Kshetrimayum (PhD, JGU, 2018): Quantum many-body systems and Tensor Network algorithms

Philipp Schmoll (Master, JGU, 2016): Exact tensor network states for the Kitaev honeycomb model

Serkan Sahin (Master, JGU, 2015): Entanglement-Continuous Unitary Transformations; towards a new algorithm for quantum many-body systems

Kai Zapp (Master, JGU, 2015): MPS for lattice gauge theories

Marc Ziegler (Master, JGU, 2015, uni prize): Tensor network methods for infinite 2d systems; a study of the Heisenberg quantum antiferromagnet on the Kagome lattice

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



Research funding is acknowledged from Ikerbasque, DIPC and DFG.

Resultado de imagen de ikerbasque logo

Resultado de imagen de dipc logo

Resultado de imagen de dfg logo

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