ITN Newsletter – December 2020

ITN Newsletter – December 2020

Here is 2021 ! We wish you an exciting New Year, far away from all viruses, full of new ideas, with lots of success in your experiments, theories and other projects, and we are looking forward to meeting again in the not too far future!

Dear all,

here is 2021 ! We wish you an exciting New Year, far away from all viruses, full of new ideas, with lots of success in your experiments, theories and other projects, and we are looking forward to meet again in the not too far future!


Your editorial team


Special issue ” Trapped Ion Quantum Information“. Guest editor: Erik Torrontegui. Details

EPJ QT special issue: “Quantum Metrology & Quantum Enhanced Measurement“. Submissions are accepted from now until 30 June 2021. Details

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


WInter School on Physics with Trapped Charged Particles, Les Houches (France) from January 25 – February 5th, 2021.  LINK

The MIAPP program “PARTICLE & AMO PHYSICISTS DISCUSSING QUANTUM SENSORS AND NEW PHYSICS” will be held at the Munich Institute for Astro- and Particle Physics (MIAPP, in Garching, Germany, from 1st to 26th March 2021.

European Conference on Trapped Ions (ECTI), Djurönäset, Sweden, summer 2021

52nd EGAS conference, in Zagreb, Croatia, 5-9 July 2021

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

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


Postdoc and PhD positions are available at LaserLaB of the Vrije Universiteit Amsterdam (The Netherlands) at several projects that focus on fundamental physics through laser precision measurements of He+, HD+, H2+, HD and HT. For more information see: LINK

Postdoctoral and PhD positions at RWTH Aachen and Forschungszentrum Jülich in the theoretical quantum technology group in the area of quantum information processing, with a focus on quantum error correction, fault-tolerant quantum computing and physical implementations. Please contact

Permanent positions (at postdoc level) are available to develop optical and microwave atomic clocks at the UK’s National Physical Laboratory. Contact: Details. 
2 Research Fellow Positions
in Quantum Technology for Fundamental Physics at in the ITCM-Group at the University of Sussex. The research project is part of the UK ‘Network of clocks for measuring the stability of fundamental constants’ consortium. The consortium aims to build a network of dissimilar clocks to search for spatio-temporal changes in fundamental constants. The team at Sussex investigate transitions in molecular nitrogen ions to measure changes in the proton-to-electron mass ratio. Our partners in the network are the National Physical Laboratory, Imperial College London, the University of Birmingham and the University of Sussex. More information here or contact Matthias Keller ().

A PhD position at Infineon on 1k Qubit Ion Traps. Details

The TITAN collaboration seeks 3 Postdoctoral Fellows to support its high-precision experiments at TRIUMF. Four on-line ion traps (a linear Paul trap, MR-TOF, EBIT, and Penning trap) are used to prepare and measure radioactive ion beams to study nuclear structure, nuclear astrophysics, and fundamental interactions. Please read here or contact Ania Kwiatkowski, , for more information.

A postdoctoral research associate to work on an electron electric dipole moment measurement using ultracold molecules. Details

A postdoc position is available in the Patterson group at the University of California, Santa Barbara.  We are a relatively new group, developing new techniques for action spectroscopy in molecular ions.  A near-term goal of the research is realizing non-destructive spectroscopic identification of single polyatomic ions. Contact for more information. Postdoc and PhD positions for projects focussed on quantum computing with trapped ions are available at the University of Oxford, please contact Chris Ballance ().

Postdoctoral Research Associate and PhD positions are available on quantum simulation with large beryllium ion crystals in a Penning trap at the University of Sydney. For details see HERE or contact Robert Wolf ().

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



Please sent informations about your publications to

Collinear laser spectroscopy of Ca+: Solving the field-shift puzzle of the 4s2S1/2→4p2P1/2,3/2 transitions
Patrick Müller, Kristian König, Phillip Imgram, Jörg Krämer, and Wilfried Nörtershäuser
Phys. Rev. Research 2, 043351 (2020)

Controlled melting of a Wigner ion crystal with atomic resolution
Y.-Z. Xu, W.-D. Zhao, Y.-H. Hou, Q.-X. Mei, J.-Y. Ma, J. Wang, L. He, Z.-C. Zhou, Y.-K. Wu, and L.-M. Duan
Phys. Rev. A 102, 063121 (2020)

Cooperative Breakdown of the Oscillator Blockade in the Dicke Model
Florentin Reiter, Thanh Long Nguyen, Jonathan P. Home, and Susanne F. Yelin
Phys. Rev. Lett. 125, 233602 (2020)

Decay-rate power-law exponent as a link between dissociation energy and temperature
Paul Fischer and Lutz Schweikhard
Phys. Rev. Research 2, 043177

Detecting Out-of-Time-Order Correlations via Quasiadiabatic Echoes as a Tool to Reveal Quantum Coherence in Equilibrium Quantum Phase Transitions
R. J. Lewis-Swan, S. R. Muleady, and A. M. Rey
Phys. Rev. Lett. 125, 240605 (2020)

Experimental Realization of Nonadiabatic Holonomic Single-Qubit Quantum Gates with Optimal Control in a Trapped Ion
Ming-Zhong Ai, Sai Li, Zhibo Hou, Ran He, Zhong-Hua Qian, Zheng-Yuan Xue, Jin-Ming Cui, Yun-Feng Huang, Chuan-Feng Li, and Guang-Can Guo
Phys. Rev. Applied 14, 054062 (2020)

Ground-state gj factors of the Cd+, Yb+, and Hg+ ions
Y. M. Yu, B. K. Sahoo, and B. B. Suo
Phys. Rev. A 102, 062824 (2020)

Heat rectification on the XX chain
Saulo H. S. Silva, Gabriel T. Landi, Raphael C. Drumond, and Emmanuel Pereira
Phys. Rev. E 102, 062146 (2020)

Hyperfine-mediated effects in a Lu+ optical clock
Zhang Zhiqiang, K. J. Arnold, R. Kaewuam, M. S. Safronova, and M. D. Barrett
Phys. Rev. A 102, 052834 (2020)

Ion-Molecule Reactions below 1 K: Strong Enhancement of the Reaction Rate of the Ion-Dipole Reaction He++CH3F
Valentina Zhelyazkova, Fernanda B. V. Martins, Josef A. Agner, Hansjürg Schmutz, and Frédéric Merkt
Phys. Rev. Lett. 125, 263401 (2020)

Lifetime-Limited Interrogation of Two Independent 27Al+Clocks Using Correlation Spectroscopy
Ethan R. Clements, May E. Kim, Kaifeng Cui, Aaron M. Hankin, Samuel M. Brewer, Jose Valencia, Jwo-Sy Chen, Chin-Wen Chou, David R. Leibrandt, and David B. Hume
Phys. Rev. Lett. 125, 243602 (2020)

Operation of an optical atomic clock with a Brillouin laser subsystem
William Loh, Jules Stuart, David Reens, Colin D. Bruzewicz, Danielle Braje, John Chiaverini, Paul W. Juodawlkis, Jeremy M. Sage & Robert McConnell
Nature volume 588, pages 244–249 (2020)

Radio frequency field-induced electron mobility in an ultracold plasma state of arrested relaxation
R. Wang, M. Aghigh, K. L. Marroquín, K. M. Grant, J. Sous, F. B. V. Martins, J. S. Keller, and E. R. Grant
Phys. Rev. A 102, 063122 (2020)

Relativistic ionization dynamics of hydrogenlike ions in strong electromagnetic fields: Generalized pseudospectral method for the time-dependent Dirac equation
Dmitry A. Telnov and Shih-I Chu
Phys. Rev. A 102, 063109 (2020)

Rovibrational quenching of C2− anions in collisions with He, Ne, and Ar atoms
Barry P. Mant, Franco A. Gianturco, Roland Wester, Ersin Yurtsever, and Lola González-Sánchez
Phys. Rev. A 102, 062810 (2020)

Scalable and Parallel Tweezer Gates for Quantum Computing with Long Ion Strings
Tobias Olsacher, Lukas Postler, Philipp Schindler, Thomas Monz, Peter Zoller, and Lukas M. Sieberer
PRX Quantum 1, 020316 (2020)

Slow Nonthermalizing Dynamics in a Quantum Spin Glass
Louk Rademaker and Dmitry A. Abanin
Phys. Rev. Lett. 125, 260405 (2020)



A dielectric microcylinder makes a nanocylindrical trap for atoms and ions
Vasily Klimov, Reza Heydarian, Constantin Simovski

Adiabatic Sensing Technique for Optimal Temperature Estimation using Trapped Ions
Aleksandrina V. Kirkova, Weibin Li, Peter A. Ivanov

An analytical approach to symmetry breaking in multipole RF-traps
Marylise Marchenay, Jofre Pedregosa-Gutierrez, Martina Knoop, Marie Houssin, Caroline Champenois

Analog quantum simulation of chemical dynamics
Ryan J. MacDonell, Claire E. Dickerson, Clare J. T. Birch, Alok Kumar, Claire L. Edmunds, Michael J. Biercuk, Cornelius Hempel, Ivan Kassal

Characterizing Topological Excitations of a Long-Range Heisenberg Model with Trapped Ions
Stefan Birnkammer, Annabelle Bohrdt, Fabian Grusdt, Michael Knap

Constructing quantum circuits with global gates
John van de Wetering

Crosstalk Suppression for Fault-tolerant Quantum Error Correction with Trapped Ions
Pedro Parrado-Rodríguez, Ciarán Ryan-Anderson, Alejandro Bermudez, Markus Müller

Efficient entanglement generation and detection of generalized stabilizer states
Yihong Zhang, Yifan Tang, You Zhou, Xiongfeng Ma

Exploring the many-body dynamics near a conical intersection with trapped Rydberg ions
Filippo Maria Gambetta, Chi Zhang, Markus Hennrich, Igor Lesanovsky, Weibin Li

Fabrication of 15NV− centers in diamond using a deterministic single ion implanter
K. Groot-Berning, G. Jacob, C. Osterkamp, F. Jelezko, F. Schmidt-Kaler

Finite temperature spectrum at the symmetry-breaking linear-zigzag transition
Jan Kiethe, Lars Timm, Haggai Landa, Dimitri Kalincev, Giovanna Morigi, Tanja E. Mehlstäubler

Floquet Gauge Pump
Abhishek Kumar, Gerardo Ortiz, Philip Richerme, Babak Seradjeh

Generation of High-Resolution Handwritten Digits with an Ion-Trap Quantum Computer
Manuel S. Rudolph, Ntwali Bashige Toussaint, Amara Katabarwa, Sonika Johri, Borja Peropadre, Alejandro Perdomo-Ortiz

High-precision measurements of krypton and xenon isotopes with a new static-mode Quadrupole Ion Trap Mass Spectrometer
G. Avice, A. Belousov, K. A. Farley, S. M. Madzunkov, J. Simcic, D. Nikolić, M. R. Darrach, C. Sotin

Imaging trapped ion structures via fluorescence cross-correlation detection
Stefan Richter, Sebastian Wolf, Joachim von Zanthier, Ferdinand Schmidt-Kaler

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, L. P. Parazzoli

Long-range Ising chains: eigenstate thermalization and symmetry breaking of excited states
Angelo Russomanno, Michele Fava, Markus Heyl

Motional heating of spatially extended ion crystals
D. Kalincev, L. S. Dreissen, A. P. Kulosa, C-H. Yeh, H. A. Fürst, T. E. Mehlstäubler

Nearest Centroid Classification on a Trapped Ion Quantum Computer
Sonika Johri, Shantanu Debnath, Avinash Mocherla, Alexandros Singh, Anupam Prakash, Jungsang Kim, Iordanis Kerenidis

Nuclear clocks for testing fundamental physics
E. Peik, T. Schumm, M. S. Safronova, A. Pálffy, J. Weitenberg, P. G. Thirolf

Numerical investigations of the minimum-B effect in Electron Cyclotron Resonance Ion Source
V. Mironov, S. Bogomolov, A. Bondarchenko, A. Efremov, V. Loginov, D. Pugachev

Radial two-dimensional ion crystals in a linear Paul trap
Marissa D’Onofrio, Yuanheng Xie, A. J. Rasmusson, Evangeline Wolanski, Jiafeng Cui, Philip Richerme

The effect of active photons on dynamical frustration in cavity QED
Shane P. Kelly, Ana Maria Rey, Jamir Marino

Time-rescaling of Dirac dynamics: shortcuts to adiabaticity in ion traps and Weyl semimetals
Agniva Roychowdhury, Sebastian Deffner


Copyright 2020 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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