Dear all,

we are happy to announce that the first Early Career Conference on Trapped Ions will be held in January 2020. Proposed and organized by young researchers for young researchers, this event is exclusively dedicated to PhD students and young postdocs, in order to give them a platform to discuss, exchange and network. The location will be CERN, and the program will mix talks, posters, discussions, and a CERN visit. The outline of the program will be made over summer, and registration is planned for autumn. This event is part of the COST Action, and registration and lodging are announced to be quite inexpensive.
SAVE THE DATE : 13-17 January 2020.

Best regards,
Your editorial team


Congratulations to Rainer Blatt who has been elected foreign associate of the American National Academy of Sciences. LINK


The Atomic Physics Gordon Seminar and Conference (GRS/GRC) on Cold Controlled Atoms and Molecules, Ultrafast Spectroscopy and Precision Measurements will be held June 8-9 (GRS) and 9- 14, 2019 (GRC) at Salve Regina University, Rhode Island USA and still has some open slots for participants.

NACTI 2019, the 2nd North American Conference on Trapped Ions, will be held at the University of Maryland in College Park, MD, USA on July 22-26 2019,  REGISTRATION DEADLINE: 15 JUNE 2019

ICPEAC XXXI , Deauville/France, 23-30 July 2019 LINK

Electrostatic Storage Devices (ESD8) conference to be held in Tinajin, P.R. China August 25 to 30, 2019. Details

Early Career Conference on Trapped Ions, to be held at CERN, Geneva 13-17 January 2020. LINK
Postdoc positions on new and ongoing projects in Quantum Information and Quantum Networking with trapped ions are available at the University of Maryland, please contact Norbert Linke
PhD position within the Time and Frequency department at FEMTO-ST, with a grant from Bourgogne Franche-Comté Univetsity. The project aims at realizing an ultra-compact, transportable ULE Fabry-Perot cavity. More information on the group webpage,
Two Research Fellows at the University of Sussex, Brighton/UK: Scaling A Trapped Ion Qunatum Computer LINK  and High Fidelity Trapped Ion Quantum Computing LINK

PhD student position for Quantum Simulation with large beryllium ion crystals in a Penning trap. Interested students should please contact Michael Biercuk and Robert Wolf 

Postdoc position in the ion trapping group of Rene Gerritsma (University of Amsterdam) LINK

2 PhD student positions for a  Paul trap experiments with ytterbium ions on Quantum Control and Quantum Simulation, please contact Michael Biercuk ( and Cornelius Hempel (

Swansea University’s Department of Physics has a call for EPSRC-funded PhD scholarships in 2019 in areas spanning the research interests of the Atomic Molecular and Quantum Physics (AMQP) group, they contain a number of subjects interesting for antimatter and/or ion trappers. LINK

Postdoc position: Join an effort with the long-term goal of exploring the physics and technology required to enable high-performance quantum computing, simulation, and sensing with trapped ions.  Near-term research is focused on novel quantum information processing techniques and encodings in trapped ions, and methods to enhance the fidelity and speed of quantum operations through use of trap-integrated technologies and novel protocols.  This research, which will be performed primarily in the MIT laboratory of Isaac Chuang, will be part of the newly-developed MIT Center for Quantum Engineering and is an opportunity to work with a diverse, tightly integrated team of physicists and engineers from both MIT and MIT Lincoln Laboratory.  Please contact Isaac Chuang ( and/or Jeremy Sage ( for more details.

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


Please sent informations about your publications to

BOOK Measurement, Uncertainties and Lasers, IOPscience
by Masatoshi KAJITA 

A comparative study of estimation methods in quantum tomography
Anirudh Acharya, Theodore Kypraios and Mădălin Guţă
2019 J. Phys. A: Math. Theor. 52 234001

A study of coherent and incoherent resonances in high intensity beams using a linear Paul trap
L K Martin, S Machida, D J Kelliher and S L Sheehy
2019 New J. Phys. 21 053023

Compensation of the trap-induced quadrupole interaction in trapped Rydberg ions
Lachezar S. Simeonov, Nikolay V. Vitanov & Peter A. Ivanov
Scientific Reports 9, Article number: 7340 (2019)

Dynamical Hamiltonian engineering of 2D rectangular lattices in a one-dimensional ion chain
Fereshteh Rajabi, Sainath Motlakunta, Chung-You Shih, Nikhil Kotibhaskar, Qudsia Quraishi, Ashok Ajoy & Rajibul Islam
npj Quantum Information 5, Article number: 32 (2019)

Error-Mitigated Digital Quantum Simulation
Sam McArdle, Xiao Yuan, and Simon Benjamin
Phys. Rev. Lett. 122, 180501 (2019)

Highly Efficient Detection and Separation of Chiral Molecules through Shortcuts to Adiabaticity
Nikolay V. Vitanov and Michael Drewsen
Phys. Rev. Lett. 122, 173202 (2019)

Inclusion of Coulomb effects in laser-atom interactions
J. Dubois, S. A. Berman, C. Chandre, and T. Uzer
Phys. Rev. A 99, 053405 (2019)

Interacting Langevin equation and a microscopic mechanism for kinks in trapped ions
Wei Wen, Yue-Xin Huang, Wei Wu, Baoquan Ou, Yi Xie, and Pingxing Chen
Phys. Rev. A 99, 053409 (2019)

Ion friction at small values of the Coulomb logarithm
Tucker Sprenkle, Adam Dodson, Quinton McKnight, Ross Spencer, Scott Bergeson, Abdourahmane Diaw, and Michael S. Murillo
Phys. Rev. E 99, 053206 (2019)

Low-cost quantum circuits for classically intractable instances of the Hamiltonian dynamics simulation problem
Yunseong Nam & Dmitri Maslov
npj Quantum Information 5, Article number: 44 (2019)

Measurement of charge exchange between Na and Ca+ in a hybrid trap
J. M. Kwolek, D. S. Goodman, B. Slayton, R. Blümel, J. E. Wells, F. A. Narducci, and W. W. Smith
Phys. Rev. A 99, 052703 (2019) 

Quantum absorption refrigerator with trapped ions
Gleb Maslennikov, Shiqian Ding, Roland Hablützel, Jaren Gan, Alexandre Roulet, Stefan Nimmrichter, Jibo Dai, Valerio Scarani & Dzmitry Matsukevich
Nature Communications 10, Article number: 202 (2019)

Quantum simulation of scattering in the quantum Ising model
Erik Gustafson, Y. Meurice, and Judah Unmuth-Yockey
Phys. Rev. D 99, 094503 (2019)

Scaling up Quantum Simulations
J. Berges
Nature 569 , 339–340

Self-verifying variational quantum simulation of lattice models
C. Kokail, C. Maier, R. van Bijnen, T. Brydges, M. K. Joshi, P. Jurcevic, C. A. Muschik, P. Silvi, R. Blatt, C. F. Roos & P. Zoller
Nature 569, 355–360 (2019)

Site-resolved imaging of beryllium ion crystals in a high-optical-access Penning trap with inbore optomechanics
H. Ball, Ch. D. Marciniak, R. N. Wolf, A. T.-H. Hung, K. Pyka, and M. J. Biercuk
Review of Scientific Instruments 90, 053103 (2019)

State-selective coherent motional excitation as a new approach for the manipulation, spectroscopy and state-to-state chemistry of single molecular ions
Ziv Meir, Gregor Hegi, Kaveh Najafian, Mudit Sinhala, and Stefan Willitsch

Faraday Discussions, 2019

Statistical correlations between locally randomized measurements: A toolbox for probing entanglement in many-body quantum states
A. Elben, B. Vermersch, C. F. Roos, and P. Zoller
Phys. Rev. A 99, 052323 (2019)

The U.S. National Quantum Initiative: From Act to action
SCIENCE03 MAY 2019 : 440-442

Ultrafast variational simulation of nontrivial quantum states with long-range interactions
Wen Wei Ho, Cheryne Jonay, and Timothy H. Hsieh
Phys. Rev. A 99, 052332 (2019)

Validating and certifying stabilizer states
Amir Kalev, Anastasios Kyrillidis, and Norbert M. Linke
Phys. Rev. A 99, 042337 (2019)


Concepts for direct frequency-comb spectroscopy of 229mTh
Authors: Lars von der Wense, Chuankun Zhang

Direct determination of the 138La β-decay Q value using Penning trap mass spectrometry
Authors: R. Sandler, G. Bollen, J. Dissanayake, M. Eibach, K. Gulyuz, A. Hamaker, C. Izzo, X. Mougeot, D. Puentes, F. G. A. Quarati, M. Redshaw, R. Ringle, I. Yandow

Dual-Species, Multi-Qubit Logic Primitives for Ca+/Sr+ Trapped-Ion Crystals
C. D. Bruzewicz, R. McConnell, J. Stuart, J. M. Sage, J. Chiaverini

Dynamical signatures of quantum chaos and relaxation timescales in a spin-boson system
Authors: S. Lerma-Hernández, D. Villaseñor, M. A. Bastarrachea-Magnani, E. J. Torres-Herrera, L. F. Santos, J. G. Hirsch

Dynamic stability for a system of ions in a Paul trap
Authors: Bogdan M. Mihalcea

Efficient Arbitrary Simultaneously Entangling Gates on a trapped-ion quantum computer
Authors: Nikodem Grzesiak, Reinhold Blümel, Kristin Beck, Kenneth Wright, Vandiver Chaplin, Jason M. Amini, Neal C. Pisenti, Shantanu Debnath, Jwo-Sy Chen, Yunseong Nam

Error-Mitigated Quantum Gates Exceeding Physical Fidelities in a Trapped-Ion System
Authors: Shuaining Zhang, Yao Lu, Kuan Zhang, Wentao Chen, Ying Li, Jing-Ning Zhang, Kihwan Kim

Full-Stack, Real-System Quantum Computer Studies: Architectural Comparisons and Design Insights
Prakash Murali, Norbert Matthias Linke, Margaret Martonosi, Ali Javadi Abhari, Nhung Hong Nguyen, Cinthia Huerta Alderete

Generation and stabilization of entangled coherent states for the vibrational modes of a trapped ion
Authors: Zhi-Rong Zhong, Xin-Jie Huang, Zhen-Biao Yang, Li-Tuo Shen, Shi-Biao Zheng

Heisenberg scaling of quantum logic spectroscopy with ions in thermal motion
Authors: D. Kienzler, Y. Wan, S. D. Erickson, J. J. Wu, A. C. Wilson, D. J. Wineland, D. Leibfried

Hydrogen pressure at 10−12 mBar level in a room temperature ion trapping apparatus
Authors: P. Obšil, A. Lešundák, T. Pham, K. Lakhmanskiy, L. Podhora, M. Oral, O. Číp, L. Slodička

Many-body localization in spin chains with the long-range transverse interactions: scaling of critical disorder with the system size
Authors: Andrii O. Maksymov, Alexander L. Burin

Measuring the temperature and heating rate of a single ion by imaging
Authors: Bharath Srivathsan, Martin Fischer, Lucas Alber, Markus Weber, Markus Sondermann, Gerd Leuchs

Multistability of Driven-Dissipative Quantum Spins
Authors: Haggai Landa, Marco Schiró, Grégoire Misguich

Observation of indirect ionization of W7+ in an electron-beam ion-trap plasma
Authors: Q. Lu, J. He, H. Tian, M. Li, Y. Yang, K. Yao, C. Chen, J. Xiao, J. G. Li, B. Tu, Y. Zou

Power-optimal, stabilized entangling gate between trapped-ion qubits
Authors: Reinhold Blumel, Nikodem Grzesiak, Yunseong Nam

Probing qubit memory errors at the part-per-million level
Authors: M. A. Sepiol, A. C. Hughes, J. E. Tarlton, D. P. Nadlinger, C. J. Ballance, T. P. Harty, A. M. Steane, J. F. Goodwin, D. M. Lucas

Quantum Non-demolition Measurement of a Many-Body Hamiltonian
Authors: Dayou Yang, Andrey Grankin, Lukas M. Sieberer, Denis V. Vasilyev, Peter Zoller

Reaction blockading in charged-neutral excited-state chemistry at low collision energy
Authors: Prateek Puri, Michael Mills, Ionel Simbotin, John A. Montgomery, Jr., Robin Côté, Christian Schneider, Arthur G. Suits, Eric. R. Hudson

Selective excitation of multipolar spoof plasmons using orbital angular momentum of light
Takashi Arikawa, Tomoki Hiraoka, Shohei Morimoto, Francois Blanchard, Shuntaro Tani, Tomoko Tanaka, Kyosuke Sakai, Hiroki Kitajima, Keiji Sasaki, Koichiro Tanaka

Short-time expansion of Heisenberg operators in open collective quantum spin systems
Authors: Michael A. Perlin, Ana Maria Rey

Two-qubit entangling gates within arbitrarily long chains of trapped ions
Authors: Kevin A. Landsman, Yukai Wu, Pak Hong Leung, Daiwei Zhu, Norbert M. Linke, Kenneth R. Brown, Luming Duan, Christopher R. Monroe

Verification of independent quantum devices
Authors: C. Greganti, T. F. Demarie, M. Ringbauer, J. A. Jones, V. Saggio, I. A. Calafell, L. A. Rozema, A. Erhard, M. Meth, L. Postler, R. Stricker, P. Schindler, R. Blatt, T. Monz, P. Walther, J. F. Fitzsimons

Copyright 2019 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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