Publications        [arXiv]    [google scholar]

Peer-Reviewed Articles
(41)
 Philip Taranto, Faraj Bakhshinezhad, Andreas Bluhm, Ralph Silva, Nicolai Friis, Maximilian P. E. Lock, Giuseppe Vitagliano, Felix C. Binder, Tiago Debarba, Emanuel Schwarzhans, Fabien Clivaz, and Marcus Huber,
Landauer Versus Nernst: What is the True Cost of Cooling a Quantum System?
PRX Quantum 4, 010332 (2023) [arXiv:2106.05151].
(40)
 Simon Morelli, David Sauerwein, Michalis Skotiniotis, and Nicolai Friis,
Metrology-assisted entanglement distribution in noisy quantum networks,
Quantum 6, 722 (2022) [arXiv:2110.15627].
(39)
 Hayata Yamasaki, Simon Morelli, Markus Miethlinger, Jessica Bavaresco, Nicolai Friis, and Marcus Huber,
Activation of genuine multipartite entanglement: beyond the single-copy paradigm of entanglement characterisation,
Quantum 6, 695 (2022) [arXiv:2106.01372].
(38)
 Matteo Fadel, Ayaka Usui, Marcus Huber, Nicolai Friis, and Giuseppe Vitagliano,
Entanglement Quantification in Atomic Ensembles,
Phys. Rev. Lett. 127, 010401 (2021) [arXiv:2103.15730].
(37)
 Valeria Saggio, Beate Asenbeck, Arne Hamann, Teodor Strömberg, Peter Schiansky, Vedran Dunjko, Nicolai Friis, Nicholas C. Harris, Michael Hochberg, Dirk Englund, Sabine Wölk, Hans J. Briegel, and Philip Walther,
Experimental quantum speed-up in reinforcement learning agents,
Nature 591, 229-233 (2021) [arXiv:2103.06294].
(36)
 Emanuel Schwarzhans, Maximilian Lock, Paul Erker, Nicolai Friis, and Marcus Huber,
Autonomous Temporal Probability Concentration: Clockworks and the Second Law of Thermodynamics,
Phys. Rev. X 11, 011046 (2021) [arXiv:2007.01307].
(35)
 Simon Morelli, Ayaka Usui, Elizabeth Agudelo, and Nicolai Friis,
Bayesian parameter estimation using Gaussian states and measurements,
Quantum Sci. Technol. 6, 025018 (2021) [arXiv:2009.03709].
(34)
 Alexander Erhard*, Hendrik Poulsen Nautrup*, Michael Meth, Lukas Postler, Roman Stricker, Martin Stadler, Vlad Negnevitsky, Martin Ringbauer, Philipp Schindler, Hans J. Briegel, Rainer Blatt, Nicolai Friis, and Thomas Monz,
Entangling logical qubits with lattice surgery,
Nature 589, 220-224 (2021) [arXiv:2006.03071].
(*These authors have contributed equally to this work.)
(33)
 Natalia Herrera Valencia, Vatshal Srivastav, Matej Pivoluska, Marcus Huber, Nicolai Friis,Will McCutcheon, and Mehul Malik,
High-Dimensional Pixel Entanglement: Efficient Generation and Certification,
Quantum 4, 376 (2020) [arXiv:2004.04994].
(32)
 Tiago Debarba, Fernando Iemini, Geza Giedke, and Nicolai Friis,
Teleporting quantum information encoded in fermionic modes,
Phys. Rev. A 101, 052326 (2020) [arXiv:2002.08201].
(31)
 Yelena Guryanova, Nicolai Friis, and Marcus Huber,
Ideal Projective Measurements Have Infinite Resource Costs,
Quantum 4, 222 (2020) [arXiv:1805.11899].
(30)
 Hendrik Poulsen Nautrup, Nicolas Delfosse, Vedran Dunjko, Hans J. Briegel, and Nicolai Friis,
Optimizing Quantum Error Correction Codes with Reinforcement Learning,
Quantum 3, 215 (2019) [arXiv:1812.08451].
(29)
 Tiago Debarba, Gonzalo Manzano, Yelena Guryanova, Marcus Huber, and Nicolai Friis,
Work estimation and work fluctuations in the presence of non-ideal measurements,
New J. Phys. 21, 113002 (2019) [arXiv:1902.08568].
(28)
 Faraj Bakhshinezhad*, Fabien Clivaz*, Giuseppe Vitagliano, Paul Erker, Ali Rezakhani, Marcus Huber, and Nicolai Friis,
Thermodynamically optimal creation of correlations,
J. Phys. A: Math. Theor. 52, 465303 (2019) [arXiv:1904.07942].
(*These authors have contributed equally to this work.)
(27)
 Nicolai Friis, Giuseppe Vitagliano, Mehul Malik, and Marcus Huber,
Entanglement certification from theory to experiment,
Nat. Rev. Phys. 1, 72 (2019) [arXiv:1906.10929].
(26)
 Theeraphot Sriarunothai, Sabine Wölk, Gouri Shankar Giri, Nicolai Friis, Vedran Dunjko, Hans J. Briegel, and Christof Wunderlich,
Speeding-up the decision making of a learning agent using an ion trap quantum processor,
Quant. Sci. Techn. 4, 015014 (2019) [arXiv:1709.01366].
(25)
 Jessica Bavaresco, Natalia Herrera Valencia, Claude Klöckl, Matej Pivoluska, Paul Erker, Nicolai Friis, Mehul Malik, and Marcus Huber,
Measurements in two bases are sufficient for certifying high-dimensional entanglement,
Nat. Phys. 14, 1032 (2018) [arXiv:1709.07344].
(24)
 Nicolai Friis and Marcus Huber,
Precision and Work Fluctuations in Gaussian Battery Charging,
Quantum 2, 61 (2018) [arXiv:1708.00749].
(23)
 Nicolai Friis*, Oliver Marty*, Christine Maier, Cornelius Hempel, Milan Holzäpfel, Petar Jurcevic, Martin B. Plenio, Marcus Huber, Christian Roos, Rainer Blatt, and Ben Lanyon,
Observation of Entangled States of a Fully Controlled 20-Qubit System,
Phys. Rev. X 8, 021012 (2018) [arXiv:1711.11092].
(*These authors have contributed equally to this work.)
(22)
 Hendrik Poulsen Nautrup, Nicolai Friis, and Hans J. Briegel,
Fault-tolerant interface between quantum memories and quantum processors,
Nat. Commun. 8, 1321 (2017) [arXiv:1609.08062].
(21)
 Nicolai Friis, Davide Orsucci, Michalis Skotiniotis, Pavel Sekatski, Vedran Dunjko, Hans J. Briegel, and Wolfgang Dür,
Flexible resources for quantum metrology,
New J. Phys. 19, 063044 (2017) [arXiv:1610.09999].
(selected by the editors of New Journal of Physics for inclusion in the ‘Highlights of 2017’ collection)
(20)
 Nicolai Friis, Sridhar Bulusu, and Reinhold A. Bertlmann,
Geometry of two-qubit states with negative conditional entropy,
J. Phys. A: Math. Theor. 50, 125301 (2017) [arXiv:1609.04144].
(19)
 Eric G. Brown, Nicolai Friis, and Marcus Huber,
Passivity and practical work extraction using Gaussian operations,
New J. Phys. 18, 113028 (2016) [arXiv:1608.04977].
(18)
 Nicolai Friis, Marcus Huber, and Martí Perarnau-Llobet,
Energetics of correlations in interacting systems,
Phys. Rev. E 93, 042135 (2016) [arXiv:1511.08654].
(17)
 Nicolai Friis,
Reasonable fermionic quantum information theories require relativity,
New J. Phys. 18, 033014 (2016) [arXiv:1502.04476].
(16)
 Nicolai Friis, Alexey A. Melnikov, Gerhard Kirchmair, and Hans J. Briegel,
Coherent controlization using superconducting qubits,
Sci. Rep. 5, 18036 (2015) [arXiv:1508.00447].
(15)
 Nicolai Friis, Michalis Skotiniotis, Ivette Fuentes, and Wolfgang Dür,
Heisenberg scaling in Gaussian quantum metrology,
Phys. Rev. A 92, 022106 (2015) [arXiv:1502.07654].
(14)
 David E. Bruschi*, Martí Perarnau-Llobet*, Nicolai Friis*, Karen V. Hovhannisyan, and Marcus Huber,
The thermodynamics of creating correlations: Limitations and optimal protocols,
Phys. Rev. E 91, 032118 (2015) [arXiv:1409.4647].
(*These authors have contributed equally to this work.)
(13)
 Vedran Dunjko, Nicolai Friis, and Hans J. Briegel,
Quantum-enhanced deliberation of learning agents using trapped ions,
New J. Phys. 17, 023006 (2015) [arXiv:1407.2830].
(12)
 Nicolai Friis, Vedran Dunjko, Wolfgang Dür, and Hans J. Briegel,
Implementing quantum control for unknown subroutines,
Phys. Rev. A 89, 030303(R) (2014) [arXiv:1401.8128].
(11)
 David E. Bruschi, Nicolai Friis, Ivette Fuentes, and Silke Weinfurtner,
On the robustness of entanglement in analogue gravity systems,
New J. Phys. 15, 113016 (2013) [arXiv:1305.3867].
(10)
 Nicolai Friis, Antony R. Lee, and Jorma Louko,
Scalar, spinor, and photon fields under relativistic cavity motion,
Phys. Rev. D 88, 064028 (2013) [arXiv:1307.1631].
(9)
 Nicolai Friis, Antony R. Lee, and David E. Bruschi,
Fermionic mode entanglement in quantum information,
Phys. Rev. A 87, 022338 (2013) [arXiv:1211.7217].
(8)
 Nicolai Friis, Antony R. Lee, Kevin Truong, Carlos Sabín, Enrique Solano, Göran Johansson, and Ivette Fuentes,
Relativistic Quantum Teleportation with Superconducting Circuits,
Phys. Rev. Lett. 110, 113602 (2013) [arXiv:1211.5563].
(7)
 Nicolai Friis, Marcus Huber, Ivette Fuentes, and David E. Bruschi,
Quantum gates and multipartite entanglement resonances realized by non-uniform cavity motion,
Phys. Rev. D 86, 105003 (2012) [arXiv:1207.1827].
(6)
 Nicolai Friis and Ivette Fuentes,
Entanglement generation in relativistic quantum fields,
J. Mod. Opt. 60, 22 (2013) [arXiv:1204.0617].
(5)
 Nicolai Friis, David E. Bruschi, Jorma Louko, and Ivette Fuentes,
Motion generates entanglement,
Phys. Rev. D 85, 081701(R) (2012) [arXiv:1201.0549].
(4)
 Nicolai Friis, Antony R. Lee, David E. Bruschi, and Jorma Louko,
Kinematic entanglement degradation of fermionic cavity modes,
Phys. Rev. D 85, 025012 (2012) [arXiv:1110.6756].
(3)
 Nicolai Friis, Philipp Köhler, Eduardo Martín-Martínez, and Reinhold A. Bertlmann,
Residual entanglement of accelerated fermions is not nonlocal,
Phys. Rev. A 84, 062111 (2011) [arXiv:1107.3235].
(2)
 Marcus Huber, Nicolai Friis, Andreas Gabriel, Christoph Spengler, and Beatrix C. Hiesmayr,
Lorentz invariance of entanglement classes in multipartite systems,
Europhys. Lett. 95, 20002 (2011) [arXiv:1011.3374].
(1)
 Nicolai Friis, Reinhold A. Bertlmann, Marcus Huber, and Beatrix C. Hiesmayr,
Relativistic entanglement of two massive particles,
Phys. Rev. A 81, 042114 (2010) [arXiv:0912.4863].
Non-Peer-Reviewed Publications
Preprints
(vii)
 Faraj Bakhshinezhad, Beniamin R. Jablonski, Felix C. Binder, and Nicolai Friis,
Trade-offs between precision and fluctuations in charging finite-dimensional quantum systems,
e-print arXiv:2303.16676 [quant-ph] (2023).
(vi)
 Julius Arthur Bittermann, Lukas Bulla, Sebastian Ecker, Sebastian Philipp Neumann, Matthias Fink, Martin Bohmann, Nicolai Friis, Marcus Huber, and Rupert Ursin,
Photonic entanglement during a zero-g flight,
e-print arXiv:2303.13183 [quant-ph] (2023).
(v)
 Xiaoqin Gao, Paul Appel, Nicolai Friis, Martin Ringbauer, and Marcus Huber,
On the role of entanglement in qudit-based circuit compression,
e-print arXiv:2209.14584 [quant-ph] (2021).
Books
Result Size: 838 x 759 ​ ​ ​
(iv)
 Reinhold A. Bertlmann and Nicolai Friis,
Modern Quantum Theory - From Quantum Mechanics to Entanglement and Quantum Information,
Oxford University Press
ISBN: 9780199683338
in press (1024 manuscript pages), expected publication: 7 September 2023
​ ​
Book Chapters
(iii)
 Giuseppe Vitagliano, Claude Klöckl, Marcus Huber, and Nicolai Friis,
Trade-off Between Work and Correlations in Quantum Thermodynamics,
in: Thermodynamics in the Quantum Regime, Chapter 30,
F. Binder, L. A. Correa, C. Gogolin, J. Anders, and G. Adesso (eds.),
Springer International Publishing, 2019 [arXiv:1803.06884].
Perspective Articles
(ii)
 Nicolai Friis,
Quantum Decision Making,
Quantum Views 7, 72 (2023),
Editorial on the decision-making process at Quantum.
(i)
 Nicolai Friis,
Unlocking fermionic mode entanglement,
New J. Phys. 18, 061001 (2016),
Perspective article on Dasenbrook et al., New J. Phys. 18, 043036 (2016).
Theses
Lecture Notes
Posters
Selected Presentations