ITN Newsletter – November 2021

ITN Newsletter – November 2021

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After a very successful ECTI in different locations and online, our next event is ECCTI (the Early Career Conference on Trapped Ions), initially planned for January 2022 at CERN. Due to the rapidly evolving situation in Europe, the organisers will take a decision in the upcoming days about the format and/or change of date of the conference. Please consult the website regularly!

Dear all,

after a very successful ECTI in different locations and online, our next event is ECCTI (the Early Career Conference on Trapped Ions) initially planned for January 2022 at CERN. Due to the rapidly evolving situation in Europe, the organisers will take a decision in the upcoming days about the format and/or change of date of the conference. Please consult the website regularly!

Your editorial team



Short Term Scientific Missions – apply now !!
Mobility for young and not so young researchers, between 1 week and 3 months, the COST Action can financially support your stay. Details can be found on the website at

Among the distinctions of the German Physical Society, we note the Herbert-Walther-Award to Jun Ye (JILA University of Colorado at Boulder, USA) and the Robert-Wichard-Pohl-Award to Klaus D. A. Wendt (Institut für Physik der Universität Mainz). Congratulations!


Early Career Conference in Trapped Ions 2022, 10th – 14th January 2022, at  CERN, Geneva LINK
The call for abstracts is still open. Decision about format and date soon to come!!

“FRIAS Junior Researcher Conference – Cold and ultracold chemistry” in Freiburg, Germany, February 20 – 22, 2022. Details

The second edition of the training school “From Basics to Applications of Optical Fiber Links and Frequency Combs”, from 18 to 22 April, 2022, in the wonderful School of Physics in Les Houches, close to Chamonix, in the French Alps. Details

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

SOLVAY WORKSHOP ON “Quantum Simulation – 2021” Brussels, February 7 – 9, 2022
The Workshop is organized in the context of the 2021 International Jacques Solvay Chair in Physics attributed to Prof. Jean Dalibard. LINK

XXIIIrd Symposium on Atomic, Cluster and Surface Physics, 13-17 February 2022 in Obergurgl/Austria LINK

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

The 8th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2022) will take place in Glashütten, Germany on September 25-30, 2022. The first circular is available on the website.

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 Washington in Seattle for the development of architectures supporting large-scale QIP with trapped ions. Contact Sara Mouradian for details.
Postdoctoral Research Associate and PhD positions are available on quantum simulation and sensing with large beryllium ion crystals at the University of Sydney. For details please contact Robert Wolf or LINK
A postdoc position is open at LENS, Florence/IT. Details can be found here, or by contacting Carlo Sias
A PhD position in quantum cellular automata and quantum neural networks at the University of Tübingen (Germany) . Details HERE or contact Igor Lesanowsky
A Postdoctoral Research Position to study positron interactions with atoms and molecules is available in the Physics Department, University of California San Diego positron group ( Contact Cliff Surko for details
Several PhD and postdoctoral positions offered for new projects with trapped ion quantum computers (IQuAn), collective properties of light scattering, heat transport in ion crystals (QuCoLiMa) and Rydberg ions. Please contact Ferdinand Schmidt-Kaler () or visit
A PhD position in the group of Rene Gerritsma in Amsterdam. Details

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



Please sent informations about your publications to

Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production
C.J. Baker et al. (ALPHA collaboration)
Nature Communications 12, 6139 (2021

Dynamics of a trapped ion in a quantum gas: Effects of particle statistics
Lorenzo Oghittu, Melf Johannsen, Antonio Negretti, and Rene Gerritsma
Phys. Rev. A 104, 053314 (2021)

Generation of a single-ion large oscillator
Ryoichi Saito and Takashi Mukaiyama
Phys. Rev. A 104, 053114 (2021)

Importance Sampling of Randomized Measurements for Probing Entanglement
Aniket Rath, Rick van Bijnen, Andreas Elben, Peter Zoller, and Benoît Vermersch
Phys. Rev. Lett. 127, 200503 (2021)

Integrated Optical Addressing of a Trapped Ytterbium Ion
M. Ivory, W. J. Setzer, N. Karl, H. McGuinness, C. DeRose, M. Blain, D. Stick, M. Gehl, and L. P. Parazzoli
Phys. Rev. X 11, 041033 (2021)

Lifetime of the 2F7/2 Level in Yb+ for Spontaneous Emission of Electric Octupole Radiation
R. Lange, A. A. Peshkov, N. Huntemann, Chr. Tamm, A. Surzhykov, and E. Peik
Phys. Rev. Lett. 127, 213001 (2021)

Optimizing electronic structure simulations on a trapped-ion quantum computer using problem decomposition
Yukio Kawashima, Erika Lloyd, Marc P. Coons, Yunseong Nam, Shunji Matsuura, Alejandro J. Garza, Sonika Johri, Lee Huntington, Valentin Senicourt, Andrii O. Maksymov, Jason H. V. Nguyen, Jungsang Kim, Nima Alidoust, Arman Zaribafiyan & Takeshi Yamazaki
Communications Physics, 4, 245 (2021)

Measurement of electric-field noise from interchangeable samples with a trapped-ion sensor
Kyle S. McKay, Dustin A. Hite, Philip D. Kent, Shlomi Kotler, Dietrich Leibfried, Daniel H. Slichter, Andrew C. Wilson, and David P. Pappas
Phys. Rev. A 104, 052610 (2021)

omg blueprint for trapped ion quantum computing with metastable states featured
D. T. C. Allcock, W. C. Campbell, J. Chiaverini, I. L. Chuang, E. R. Hudson, I. D. Moore, A. Ransford, C. Roman, J. M. Sage, and D. J. Wineland
Appl. Phys. Lett. 119, 214002 (2021)

Precision measurement of the 43Ca+ nuclear magnetic moment
R. K. Hanley, D. T. C. Allcock, T. P. Harty, M. A. Sepiol, and D. M. Lucas
Phys. Rev. A 104, 052804 (2021)

Precision determination of the ground-state hyperfine splitting of trapped 113Cd+ ions
Miao, S. N.; Zhang, J. W.; Qin, H. R.; Xin, N. C.; Han, J. Z.; Wang, L. J.
Optics Letters 46(23) 5882-5885 (2021)

Quantum gates robust to secular amplitude drifts
Qile David Su, Robijn Bruinsma, and Wesley C. Campbell
Phys. Rev. A 104, 052625 (2021)

Quantum nanofriction in trapped ion chains with a topological defect
L. Timm, L. A. Rüffert, H. Weimer, L. Santos, and T. E. Mehlstäubler
Phys. Rev. Research 3, 043141 (2021)

Rapid prototyping of grating magneto-optical traps using a focused ion beam
Sun, Xiao; Rickard, William D. A.; Sparkes, Ben M.; White, Ben R.; Offer, Rachel F.; Luiten, Andre N.; Ironside, Charlie N.
Optics Express 29(23) 37733-37746 (2021)

Rydberg Series Excitation of a Single Trapped 40Ca+ Ion for Precision Measurements and Principal Quantum Number Scalings
J. Andrijauskas, J. Vogel, A. Mokhberi, and F. Schmidt-Kaler
Phys. Rev. Lett. 127, 203001 (2021)




A Classically Efficient Quantum Scalable Fermi-Hubbard Benchmark
Bryan T. Gard, Adam M. Meier

A quantum network of entangled optical atomic clocks
B. C. Nichol, R. Srinivas, D. P. Nadlinger, P. Drmota, D. Main, G. Araneda, C. J. Ballance, D. M. Lucas

A trapped ion quantum computer with robust entangling gates and quantum coherent feedback
Tom Manovitz, Yotam Shapira, Lior Gazit, Nitzan Akerman, Roee Ozeri

Analysis of the timing of freely falling antihydrogen
Olivier Rousselle, Pierre Cladé, Saïda Guellati-Khélifa, Romain Guérout, Serge Reynaud

Comparing Two-Qubit and Multi-Qubit Gates within the Toric Code
David Schwerdt, Yotam Shapira, Tom Manovitz, Roee Ozeri

Demonstration of fault-tolerant universal quantum gate operations
Lukas Postler, Sascha Heußen, Ivan Pogorelov, Manuel Rispler, Thomas Feldker, Michael Meth, Christian D. Marciniak, Roman Stricker, Martin Ringbauer, Rainer Blatt, Philipp Schindler, Markus Müller, Thomas Monz

Dispersive optical systems for scalable Raman driving of hyperfine qubits
Harry Levine, Dolev Bluvstein, Alexander Keesling, Tout T. Wang, Sepehr Ebadi, Giulia Semeghini, Ahmed Omran, Markus Greiner, Vladan Vuletić, Mikhail D. Lukin

Enabling a Programming Environment for an Experimental Ion Trap Quantum Testbed
Austin Adams, Elton Pinto, Jeffrey Young, Creston Herold, Alex McCaskey, Eugene Dumitrescu, Thomas M. Conte

Muzzle the Shuttle: Efficient Compilation for Multi-Trap Trapped-Ion Quantum Computers
Abdullah Ash Saki, Rasit Onur Topaloglu, Swaroop Ghosh

NISQ-HHL: Portfolio Optimization for Near-Term Quantum Hardware
Romina Yalovetzky, Pierre Minssen, Dylan Herman, Marco Pistoia

One- and two-qubit gate infidelities due to motional errors in trapped ions and electrons
R. Tyler Sutherland, Qian Yu, Kristin M. Beck, Hartmut Häffner

Platform tailored co-design of gate-based quantum simulation
Kushal Seetharam, Dries Sels, Eugene Demler

Pulsed multireservoir engineering for a trapped ion with applications to state synthesis and quantum Otto cycles
Wallace S. Teixeira, Matthias K. Keller, Fernando L. Semião

Quantum non-Gaussianity of multi-phonon states of a single atom
Lukas Podhora, Lukas Lachman, Tuan Pham, Adam Lesundak, Ondrej Cip, Lukas Slodicka, Radim Filip

Quench dynamics of Rényi negativities and the quasiparticle picture
Sara Murciano, Vincenzo Alba, Pasquale Calabrese

Realization of a quantum perceptron gate with trapped ions
P. Huber, J. Haber, P. Barthel, J. J. García-Ripoll, E. Torrontegui, C. Wunderlich

Resolved-sideband Micromotion Sensing in Yb+ on the 935 nm Repump Transition
C. J. B. Goham, J. W. Britton

Schrödinger cat states of a macroscopic charged particle co-trapped with an ion
Sebastian Leontica, Christopher Foot

Two-tone Doppler cooling of radial two-dimensional crystals in a radiofrequency ion trap
Alexander Kato, Apurva Goel, Raymond Lee, Zeyu Ye, Samip Karki, Jian Jun Liu, Andrei Nomerotski, Boris B. Blinov

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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