ITN Newsletter – June 2021

ITN Newsletter – June 2021

Don't miss the June issue, with a number of very interesting job advertisements, some with very close deadlines !!!


Dear all,
let us attract your attention to a number of very interesting job adverts in the section below, some with very close deadlines !!
Your editorial team


Portal for High-Precision Atomic Data and Computation has been released at University of Delaware and is accessible via:



52nd EGAS conference, online event, 6-8 July 2021    

Summer School: Machine Learning in Quantum Physics and Chemistry will be held in Warsaw (Poland) at the Faculty of Physics of the University of Warsaw, 24 August – 3 September 2021 Details

Quantum Optics X Conference, Toruń, Poland, 5 – 11 September 2021

European Conference on Trapped Ions (ECTI), Djurönäset, Sweden, probably October/November 2021 (information coming soon)

Early Career Conference in Trapped Ions 2022, 10th – 14th January 2022, at  CERN, Geneva LINK
The call for abstracts will open on the 1st June 2021.

14th European Conference on Atoms Molecules and Photons (ECAMP14)  in Vilnius, Lithuania, June 27- July 1, 2022 LINK

27th International Conference on Atomic Physics (ICAP) in Toronto, Canada, 17-22 July 2022 LINK

25th ICOLS, Estes Park, Colorado/USA, June 2023

Online seminars


Virtual Seminar on Precision Physics and Fundamental Symmetries 2020
an initiative for the precision physics and quantum information community every Thursday   LINK
The Virtual AMO Seminar ( Fridays, 7pm (UTC) 
The “Quantum Science Seminar” ( Thursdays, 5pm


A postdoctoral position is available at the University of Liverpool to work on cold ion-radical collisions. Link:

Full (W3) Professor in Experimental Physics: Quantum Technology with focus on Fundamental Physics, at the The Faculty of Mathematics and Natural Sciences of Heinrich Heine University (HHU) Düsseldorf, Germany DEADLINE 6 JULY !  For details please contact Stephan Schiller

The Infineon trapped-ion team is looking for a full-time engineer to accelerate our trapped-ion quantum processor development. Details

Infineon is offering a doctoral thesis in the field of trapped-ion quantum computing, focusing on material aspects of trapped-ion quantum processors. Details

The Institute of Quantum Optics (U Hannover) is inviting applications for a PhD student position on sympathetic cooling and quantum logic spectroscopy of (anti-)protons by laser-cooled ions. We are part of the BASE collaboration. Contact: Christian Ospelkaus

A permanent position (at postdoc level) is available in the Yb+ optical clock team at the UK’s National Physical Laboratory. LINK. Contact: Rachel Godun

A postdoctoral position and a PhD position are open in quantum technologies focusing on the design of ion trap quantum processors at the Leibniz University of Hannover, Germany. Details  HERE and HERE

A postdoctoral position at the QUEST Institute for Experimental Quantum Metrology at PTB, to perform precision tests of fundamental physics via quantum logic spectroscopy of highly charged ions. Details and contact Steven King

A PhD position at the QUEST Institute for Experimental Quantum Metrology at PTB, to further develop our quantum logic clock based on aluminum ions. Details and contact: Nicolas Spethmann

A PhD position at the QUEST Institute for Experimental Quantum Metrology at PTB (based at our Hannover site), to develop a transportable optical clock based on aluminum ions for applications such as relativistic geodesy. Details and contact : Stephan Hannig

A PhD position at the QUEST Institute for Experimental Quantum Metrology at PTB, to use entanglement and dynamic decoupling techniques to enhance our calcium-based multi-ion experiment. Details and contact Nicolas Spethmann

Two PhD positions in the Ultra-Cold Plasma Laboratory (Faculty of Mathematics and Physics, Charles University). Project: Quantum control of electron-Ion recombination. Details. Please contact the group leader (Michal Hejduk) for more information.

The Trapped-Ion Quantum Information (TIQI) group at ETH Zürich has a 1 year postdoctoral level position focusing on developing an interactive exhibit around ions visible to the naked eye, and communicating quantum science to the general public. For details please contact Jonathan Home

Postdoc positions in Ultracold Quantum Molecular Systems Group at the Faculty of Physics of the University of Warsaw in Poland. LINK

PhD position on the “Yb+ single-ion clock” project, starting fall 2021, in laboratoire FEMTO-ST, Besançon, France. Details ; contact Clément Lacroute

A postdoctoral position is open for the QuantumION project at University of Waterloo, Canada. QuantumION is an open-access, remote-controlled quantum simulator/computer for the academic community. We are looking for postdoctoral candidates who have an engineering mindset. We anticipate the completion of the first phase of the project (trapping ions and initial gates characterization) in early 2022. Please reach out to Rajibul Islam or Crystal Senko

PhD position in the Laboratoire de Physique des Lasers, Université Sorbonne Paris to work on precise spectroscopic measurements and tests of fundamental physics with cold molecules. The project is a collaboration with the Centre of Cold Matter (Imperial College London) at the forefront of frequency metrology and cold molecule research. LINK

Research Fellow in Quantum Technology for Fundamental Physics, 24 months, University Sussex LINK

You can also find postdoc positions in frequency metrology, cold atoms and quantum information



Please sent informations about your publications to

Compact Ion-Trap Quantum Computing Demonstrator
I. Pogorelov, T. Feldker, Ch. D. Marciniak, L. Postler, G. Jacob, O. Krieglsteiner, V. Podlesnic, M. Meth, V. Negnevitsky, M. Stadler, B. Höfer, C. Wächter, K. Lakhmanskiy, R. Blatt, P. Schindler, and T. Monz
PRX Quantum 2, 020343 (2021)

Characterizing the dynamical phase diagram of the Dicke model via classical and quantum probes
R. J. Lewis-Swan, S. R. Muleady, D. Barberena, J. J. Bollinger, and A. M. Rey
Phys. Rev. Research 3, L022020 (2021)

Direct observation of swap cooling in atom–ion collisions
Amir Mahdian, Artjom Krükow and Johannes Hecker Denschlag
New J. Phys. 23 065008 (2021)

Efficient Stabilized Two-Qubit Gates on a Trapped-Ion Quantum Computer
Reinhold Blümel, Nikodem Grzesiak, Nhung H. Nguyen, Alaina M. Green, Ming Li, Andrii Maksymov, Norbert M. Linke, and Yunseong Nam
Phys. Rev. Lett. 126, 220503 (2021)

Entanglement Hamiltonian tomography in quantum simulation
Christian Kokail, Rick van Bijnen, Andreas Elben, Benoît Vermersch & Peter Zoller
Nature Physics (2021)

Fabrication of 15NV− centers in diamond using a deterministic single ion implanter
Karin Groot-Berning, Georg Jacob, Christian Osterkamp, Fedor Jelezko and Ferdinand Schmidt-Kaler
New J. Phys. 23 063067 (2021)

High-fidelity simultaneous detection of a trapped-ion qubit register
Liudmila A. Zhukas, Peter Svihra, Andrei Nomerotski, and Boris B. Blinov
Phys. Rev. A 103, 062614 (2021)

Interface between Trapped-Ion Qubits and Traveling Photons with Close-to-Optimal Efficiency
J. Schupp, V. Krcmarsky, V. Krutyanskiy, M. Meraner, T.E. Northup, and B.P. Lanyon
PRX Quantum 2, 020331 (2021)

Multiple active voltage stabilizations for multi-reflection time-of-flight mass spectrometry,
P. Fischer, L. Schweikhard,
Rev. Sci. Instrum. 92, 063203 (2021)

Observation of a prethermal discrete time crystal
SCIENCE11 JUN 2021 : 1192-1196 (2021)

On the formation of antihydrogen beams using travelling optical lattices
N Madsen and M Charlton
New J. Phys. 23 073003 (2021)

Optimal calibration of gates in trapped-ion quantum computers
Andrii Maksymov, Pradeep Niroula and Yunseong Nam
Quantum Sci. Technol. 6 034009 (2021)

Prethermal time crystal
SCIENCE11 JUN 2021 : 1162-1164 (2021)

Quantisation of the elliptical Penning trap
Frances Crimin, Barry M Garraway and José L Verdú
J. Phys. B: At. Mol. Opt. Phys. 54 115501 (2021)

Quantum-critical properties of the long-range transverse-field Ising model from quantum Monte Carlo simulations
Jan Alexander Koziol, Anja Langheld, Sebastian C. Kapfer, and Kai Phillip Schmidt
Phys. Rev. B 103, 245135 (2021)

Quantum Harmonic Oscillator Spectrum Analyzers
Jonas Keller, Pan-Yu Hou, Katherine C. McCormick, Daniel C. Cole, Stephen D. Erickson, Jenny J. Wu, Andrew C. Wilson, and Dietrich Leibfried
Phys. Rev. Lett. 126, 250507 (2021)

Quantum Oscillator Noise Spectroscopy via Displaced Cat States
Alistair R. Milne, Cornelius Hempel, Li Li, Claire L. Edmunds, Harry J. Slatyer, Harrison Ball, Michael R. Hush, and Michael J. Biercuk
Phys. Rev. Lett. 126, 250506 (2021)

Quantum sensing of weak electric and magnetic fields by coherent amplification of energy-level-shift effects
Nikolay V. Vitanov
Phys. Rev. A 103, 063104 (2021)

Rydberg atom-ion collisions in cold environments
Henrik Hirzler and Jesús Pérez-Ríos
PHYSICAL REVIEW A 103, 043323 (2021)

Saturation of the ion drift instability in collisional complex plasmas by ion trapping
Victoria V. Yaroshenko
Phys. Rev. E 103, 063209 (2021)

The internet goes quantum
Gabriel Popkin
Science 04 Jun 2021: Vol. 372, Issue 6546, pp. 1026-1029 (2021)

Three-body QED test and fifth-force constraint from vibrations and rotations of HD+
M. Germann, S. Patra, J.-Ph. Karr, L. Hilico, V. I. Korobov, E. J. Salumbides, K. S. E. Eikema, W. Ubachs, and J. C. J. Koelemeij
Phys. Rev. Research 3, L022028 (2021)

The Smallest Quantum Computer Yet
Rachel Berkowitz,
Physics 14, s73, June 17, (2021)


A scalable helium gas cooling system for trapped-ion applications
Foni R. Lebrun-Gallagher, Nicholas Johnson, Mariam Akhtar, Sebastian Weidt, David Bretaud, Samuel J. Hile, Alexander Owens, Winfried K. Hensinger

Certifying Multilevel Coherence in the Motional State of a Trapped Ion
Ollie Corfield, Jake Lishman, Chungsun Lee, Jacopo Mosca Toba, George Porter, Johannes M. Heinrich, Simon C. Webster, Florian Mintert, Richard C. Thompson

Direct N-Body problem optimisation using the AVS-512 instruction set
J. Pedregosa-Gutierrez, J. Dempsey

Distributing entangled state using quantum repeater protocol: Trapped atomic ions in optomechanical cavities
M Ghasemi, M K Tavassoly

Dynamical phase transitions in quantum spin models with antiferromagnetic long-range interactions
Jad C. Halimeh, Maarten Van Damme, Lingzhen Guo, Johannes Lang, Philipp Hauke

Electric field noise in a high-temperature superconducting surface ion trap
Philip C. Holz, Kirill Lakhmanskiy, Dominic Rathje, Philipp Schindler, Yves Colombe, Rainer Blatt

Equilibration of the planar modes of ultracold two dimensional ion crystals in a Penning trap
Chen Tang, Athreya Shankar, Dominic Meiser, Daniel H. E. Dubin, John J. Bollinger, Scott E. Parker

Fast Laser Cooling Using Optimal Quantum Control
Xie-Qian Li, Shuo Zhang, Jie Zhang, Wei Wu, Chu Guo, Ping-Xing Chen

Filtering variational quantum algorithms for combinatorial optimization
David Amaro, Carlo Modica, Matthias Rosenkranz, Mattia Fiorentini, Marcello Benedetti, Michael Lubasch

Finite-time performance of a single-ion quantum Otto engine
Suman Chand, Shubhrangshu Dasgupta, Asoka Biswas

Interactions of ions and ultracold neutral atom ensembles in composite optical dipole traps: developments and perspectives
Leon Karpa

Non-invasive measurement of currents in analog quantum simulators
Kevin T. Geier, Janika Reichstetter, Philipp Hauke

Observation of measurement-induced quantum phases in a trapped-ion quantum computer
Crystal Noel, Pradeep Niroula, Daiwei Zhu, Andrew Risinger, Laird Egan, Debopriyo Biswas, Marko Cetina, Alexey V. Gorshkov, Michael J. Gullans, David A. Huse, Christopher Monroe

Quantum logic inspired techniques for spacetime-symmetry tests with (anti-)protons
Juan M. Cornejo, Ralf Lehnert, Malte Niemann, Johannes Mielke, Teresa Meiners, Amado Bautista-Salvador, Marius Schulte, Diana Nitzschke, Matthias J. Borchert, Klemens Hammerer, Stefan Ulmer, Christian Ospelkaus

Realisation of homogeneous ion chain using surface traps
J. Pedregosa-Gutierrez, M. Mukherjee

Shortcuts to adiabatic rotation of a two-ion chain
Ander Tobalina, Juan Gonzalo Muga, Ion Lizuain, Mikel Palmero

Simulating a measurement-induced phase transition for trapped ion circuits
Stefanie Czischek, Giacomo Torlai, Sayonee Ray, Rajibul Islam, Roger G. Melko

Single-atom verification of the noise-resilient and fast characteristics of universal nonadiabatic noncyclic geometric quantum gates
J. W. Zhang, L. -L. Yan, J. C. Li, G. Y. Ding, J. T. Bu, L. Chen, S. -L. Su, F. Zhou, M. Feng

Trapped Ion Quantum Computing using Optical Tweezers and Electric Fields
M. Mazzanti, R. X. Schüssler, J. D. Arias Espinoza, Z. Wu, R. Gerritsma, A. Safavi-Naini

Universal unitary transfer of continuous-variable quantum states into a few qubits
Jacob Hastrup, Kimin Park, Jonatan Bohr Brask, Radim Filip, Ulrik Lund Andersen


Copyright 2021 ITN | Published on behalf of the COST Action Trapped Ions: Progress in classical and quantum applications
Editorial team: Alejandro Bermudez, Martina Knoop

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