Foreword

Dear Ion Trappers,

We’re truly grateful for the ongoing engagement from the iontrap community, who keep the conversation lively by sharing their latest news, events, jobs, publications, and editorials. Visit the ITN-Website (https://iontraps.net/) where you can download the current and archived issues and send us your submissions and events directly using the forms. Please continue to send us your thoughts; your contributions make our newsletter vibrant and enriching.

Events

57th Conference of the European Group on Atomic Systems (EGAS57)

June 21–25, 2026

Toruń, Poland

 

ICAP 2026 – International Conference on Atomic Physics

June 14–19, 2026

Wuhan, China

 

ICAP Satellite Meeting: Fundamental Constants and Physics Beyond the Standard Model

June 22–24, 2026

Hefei, China

 

YAO 2026 – Young Atom Opticians Conference

June 7–13, 2026

Crete, Greece

 

14th European Frequency and Time Seminar (EFTS)

June 29 – July 3, 2026

Besançon, France

 

30th Central European Workshop on Quantum Optics (CEWQO30)

July 20–24, 2026

Erlangen, Germany

 

Quantum Computing User Forum 2026

July 20–24, 2026

Oak Ridge, USA

 

NACTI 2026 – 5th North American Conference on Trapped Ions

July 21–24, 2026

Massachusetts Institute of Technology, Cambridge, USA

 

Quantum Science Gordon Research Conference

July 26–31, 2026

Easton, Massachusetts, USA

 

QSim2026 – Quantum Simulation Conference

August 10–14, 2026

Amsterdam, Netherlands

 

Early Career Conference in Trapped Ions (ECCTI) 2026

September 6–11, 2026

Oxford, United Kingdom

 

HCI 2026 – International Conference on the Physics of Highly Charged Ions

September 7–11, 2026

Huizhou, China

 

TCP2026 – Conference on Trapped Charged Particles and Fundamental Physics

September 13–18, 2026

Location TBA

 

German Conference on Women in Physics 2026

September 28–30, 2026

RPTU Kaiserslautern, Germany

 

Les Houches School on Cold Atoms and Ions: Measurement and Dissipation

October 26 – November 6, 2026

Les Houches, France

 

QVLS Winter School 2027

February 8–12, 2027

Hannover, Germany

Jobs

Postdoctoral position available at JILA, University of Colorado, Boulder, to work on the electron electric dipole moment (eEDM) experiment, jointly advised by Jun Ye and Eric Cornell. The experiment involves lasers, ion-beam optics, ion traps, molecular spectroscopy, ultra-high vacuum, magnetic measurement and shielding, cryogenic design, and data acquisition. The start date is negotiable, preferably late 2026 or early 2027. To apply, send a CV, a 2–4 page statement of research experience, a short cover letter, and the names of two professional references to Eric Cornell at cornell@jila.colorado.edu. Applications will be reviewed starting 15 June 2026 until the position is filled. https://jila.colorado.edu

 

Postdoc position in theoretical astrophysics at the Technische Universität Braunschweig, Germany. The position is initially available for 1.5 years. https://www.tu-braunschweig.de/en/theophys/vacancies

 

Postdoc Position on Photonic Integrated Ion Traps available at the University of Hannover / Physikalisch-Technische Bundesanstalt. https://www.quantummetrology.de/quaccs/home/

 

Postdoctoral Fellow in Ion Trap Quantum Computing available at the ETH Zürich–PSI Quantum Computing Hub, Switzerland. https://www.psi.ch/en/hr/job-opportunities/74416-postdoctoral-fellow-in-ion-trap-quantum-computing

 

Senior Scientist – Quantum Science (Trapped Ions / Rydberg Systems) U.S. Army Research Laboratory (ARL), College Park, MD, USA. The Quantum Science Branch at ARL is seeking an experimental researcher to lead a basic research program in trapped-ion quantum science or Rydberg-based quantum sensing. This is a full-time, on-site position. U.S. citizenship is required. Applications will be accepted until the position is filled, with first consideration given to applications received by June 1, 2026. Contact: joseph.w.britton5.civ@army.mil (reference: search2026irpi)

 

Staff Scientist (Tenure Track) – Ion Trap Quantum Computing ETH Zürich–PSI Quantum Computing Hub, Switzerland. https://www.psi.ch/en/hr/job-opportunities/74174-scientist-tenure-track-in-ion-trap-quantum-computing-80-100

 

Publications
Collective dissipation and parameter sensitivity in trapped ions coupled to a common thermal reservoir

C. F. P. Avalos, G. A. Prataviera, and M. C. de Oliveira

Phys. Rev. A 113, 053105 (2026)

 

Coulomb crystallization of xenon highly charged ions in a laser-cooled Ca+ matrix

Leonid Prokhorov, Aaron A. Smith, Mingyao Xu, Kostas Georgiou, Vera Guarrera, Lakshmi P. Kozhiparambil Sajith, Elwin A. Dijck, Christian Warnecke, Malte Wehrheim, Alexander Wilzewski, Laura Blackburn, Matthias Keller, Vincent Boyer, Thomas Pfeifer, Ullrich Schwanke, Cigdem Issever, Steven Worm, Piet O. Schmidt, José R. Crespo López-Urrutia, and Giovanni Barontini

Phys. Rev. A 113, L041102 (2026)

 

Creating multicomponent Schrödinger cat states in a coupled qubit-oscillator system

Pavel Stránský and Pavel Cejnar

Phys. Rev. A 113, L040403 (2026)

 

Enhanced yield rate of 229mTh via cascade decay in storage rings and electron beam ion traps

Yumiao Wang, Yi Yang, Yixin Li, Ding Yue, Kai Zhao, Youjing Wang, Changbo Fu, and Yugang Ma

Phys. Rev. C 113, 054602 (2026)

 

Error detection without postselection in adaptive quantum circuits

Eli Chertkov, Andrew C. Potter, David Hayes, and Michael Foss-Feig

Phys. Rev. Research 8, 023057 (2026)

 

Error-resilient fast entangling gates for scalable ion-trap quantum processors

Isabelle Savill-Brown, Zain Mehdi, Alexander K. Ratcliffe, Varun D. Vaidya, Haonan Liu, Simon A. Haine, C. Ricardo Viteri, and Joseph J. Hope

Phys. Rev. A 113, 052610 (2026)

 

Experimental demonstration of ultrahigh-precision transport and acceleration of single ions

K. Muroo, K. Hosaka, Y. Yuri, K. Ito, and H. Okamoto

Phys. Rev. Accel. Beams 29, 053401 (2026)

 

Hardware-economic manipulation of dual-type 171Yb+ qubits

Y.-J. Yi, Y.-Y. Chen, Y.-H. Hou, Y.-K. Wu, L. Zhang, C. Zhang, Y.-L. Xu, J. Ye, W.-X. Guo, B.-X. Qi, Z.-C. Zhou, P.-Y. Hou, and L.-M. Duan

Phys. Rev. A 113, 052435 (2026)

 

Reliable Quantum Computation of Molecular Energies

Ryan Wilkinson

Physics 19, s52 (2026)

 

Learning minimal representations of many-body physics from snapshots of a quantum simulator

Frederik Møller, Gabriel Fernández-Fernández, Thomas Schweigler, Paulin de Schoulepnikoff, Jörg Schmiedmayer, and Gorka Muñoz-Gil

Phys. Rev. Research 8, 023094 (2026)

 

Rotational excitation in sympathetic cooling of diatomic molecular ions by laser-cooled atomic ions

J. Martin Berglund, Michael Drewsen, and Christiane P. Koch

Phys. Rev. A 113, 042817 (2026)

 

High-fidelity Raman spin-dependent kicks in the presence of micromotion

Haonan Liu, Varun D. Vaidya, Monica Gutierrez Galan, Alexander K. Ratcliffe, Amrit Poudel, and C. Ricardo Viteri

Phys. Rev. A 113, 043731 (2026)

 

High-Speed and High-Connectivity Two-Qubit Gates in Long Chains of Trapped Ions

Isabelle Savill-Brown, Joseph J. Hope, Alexander K. Ratcliffe, Varun D. Vaidya, Haonan Liu, Simon A. Haine, C. Ricardo Viteri, and Zain Mehdi

Phys. Rev. Lett. 136, 190802 (2026)

 

Hybrid Oscillator-Qudit Quantum Processors: Stabilizer States, Stabilizer Codes, Symplectic Operations, and Noncommutative Geometry

Sayan Chakraborty and Victor V. Albert

PRX Quantum 7, 020320 (2026)

 

Mitigation of rf-induced critical-current shifts in NbN superconducting nanowire single-photon detectors for trapped-ion readout

Y. Suleimen, P.P. An, K.O. Sedykh, A. Podlesnyy, S.Yu. Zarutskiy, S.S. Svyatodukh, A.D. Golikov, M. Makhlouf, I.N. Florya, V.V. Kovalyuk, K.E. Lakhmanskiy, and G.N. Goltsman

Phys. Rev. Applied 25, 044091 (2026)

 

Precision measurement of the ground-state hyperfine constant for 9Be+ in a linear Paul trap via magnetically insensitive hyperfine transitions

Zhi-yuan Ao, Wen-li Bai, Qian-yu Zhang, Wen-cui Peng, and Xin Tong

Phys. Rev. A 113, 042822 (2026)

 

Quantum Error-Corrected Computation of Molecular Energies

Kentaro Yamamoto, Yuta Kikuchi, David Amaro, Ben Criger, Silas Dilkes, Ciarán Ryan-Anderson, Andrew Tranter, Joan M. Dreiling, Dan Gresh, Cameron Foltz, Michael Mills, Steven A. Moses, Peter E. Siegfried, Maxwell D. Urmey, Justin J. Burau, Aaron Hankin, Dominic Lucchetti, John P. Gaebler, Natalie C. Brown, Brian Neyenhuis, and David Muñoz Ramo

PRX Quantum 7, 020319 (2026)

 

Quantum non-Markovian noise in randomized benchmarking of spin-boson models

Srilekha Gandhari and Michael J. Gullans

Phys. Rev. Research 8, 023075 (2026)

 

Quantum Signatures of Proper Time in Optical Ion Clocks

Gabriel Sorci, Joshua Foo, Dietrich Leibfried, Christian Sanner, and Igor Pikovski

Phys. Rev. Lett. 136, 163602 (2026)

 

Qubit-oscillator-based gate implementations for approximate Gottesman-Kitaev-Preskill codes

Lukas Brenner, Beatriz Dias, and Robert Koenig

Phys. Rev. A 113, 042447 (2026)

 

Scalable entangling gates on ion qubits via structured light addressing

Xueying Mai, Liyun Zhang, Qinyang Yu, Junhua Zhang, and Yao Lu

Science Advances 12, Issue 14 (2026)

 

Squeezed, trisqueezed and quadsqueezed states via spin–oscillator coupling

Research Briefing

Nature Physics (2026)

 

Squeezing, trisqueezing and quadsqueezing in a hybrid oscillator–spin system

O. Băzăvan, S. Saner, D. J. Webb, E. M. Ainley, P. Drmota, D. P. Nadlinger, G. Araneda, D. M. Lucas, C. J. Ballance, and R. Srinivas

Nature Physics (2026)

PreprintsArbitrary parallel entangling gates with independent calibration on a trapped ion quantum computer

Authors: Matthew Diaz, Masoud Mohammadi-Arzanagh, Yingyue Zhu, Mohammad Hafezi, Norbert M. Linke, Alaina M. Green, Arthur Y. Nam

 

Ablation Removal of Transport-Blocking Defects in Surface-Electrode Ion Traps

Authors: Toby Maddock, Parsa Rahimi, Matthew Aylett, Rares Barcan, Sebastian Weidt, Winfried Karl Hensinger

 

An Error-aware and Adaptive Method for the Estimation of Quantum Observables on Qudit-Based Quantum Computers

Authors: Rick P. A. Simon, Michael Meth, Francesco Martini, Peter Tirler, Andrew Jena, Martin Ringbauer, Luca Dellantonio

 

Block Permutation Routing on Ramanujan Hypergraphs for Fault-Tolerant Quantum Computing

Authors: Joshua M. Courtney

 

Carrier Revival in Long Trapped-Ion Chains

Authors: Florian Egli, Chris Shanks, James Bounds, Jorge Moreno, Muhammad Thariq, Erdem Yilmaz, Theodor W. Hänsch, Thomas Udem, Akira Ozawa

 

Classical simulation of free-fermionic dynamics and quantum chemistry with magic input

Authors: Changhun Oh, Michał Oszmaniec, Oliver Reardon-Smith, Zoltán Zimborás

 

Compressed Sensing for Efficient Fidelity Estimation of GHZ States

Authors: Farrokh Labib, David Nicholaeff, Vincent Russo, William J. Zeng

 

Decoupling of the STIRAP and Microwave-Dressing paths in Trapped Rydberg Ion Gates

Authors: K. N. Zlatanov, M. Mallweger, M. Hennrich, N. V. Vitanov

 

Development of a compact cryogenic Penning trap with permanent magnets: An intermediate step toward the Shanghai Penning Trap

Authors: Tianhang Zhang, Jiawei Wang, Jialin Liu, Jingtian Wei, Jiaxuan Ji, Jifei Wu, Zichen Su, Yiming Xie, Liangyu Huang, Ke Yao, Yang Shen, Yaming Zou, Baoren Wei, Bingsheng Tu

 

Design and fabrication of a micro-ion trap with a 3D-printed loading zone for improved hot-ion capture

Authors: Sayan Patra, Abhinav Parakh, Xiaoxing Xia, Juergen Biener, Hartmut Häffner, Kristin M. Beck

 

Distributed Quantum Error Correction with Bivariate Bicycle Codes in a Modular Architecture

Authors: Nitish Kumar Chandra, Eneet Kaur, Reza Nejabati, Kaushik P. Seshadreesan

 

Efficient Multi-Controlled Gate Implementation in Trapped-Ion Systems

Authors: Minhyeok Kang, Taejin Kim, Jungsoo Hong, Joonsuk Huh

 

Energy efficiency of quantum computers

Authors: Miquel Carrasco-Codina, Pau Escofet, Paul Hilaire, Ariane Soret, Sam Nerenberg, Victor Champain, Gerard Milburn, Klara Theophilo, Sophie H. Li, Irais Bautista, Andrés Gómez, Jose Miralles, Sergi Abadal, Carmen G. Almudéver, Eduard Alarcón, Raja Yehia

 

Error Correction of Beamsplitter-Generated Entangled GKP States

Authors: Moritz Fontboté-Schmidt, Jeremy Metzner, Florence Berterottière, Ivan Rojkov, Alexander Ferk, Martin Stadler, Bahadir Dönmez, Ralf Berner, Stephan Welte, Daniel Kienzler, Jonathan P. Home

 

Experimental realisation of topological spin textures in a Penning trap

Authors: Julian Y. Z. Jee, Nihar Makadia, Joseph H. Pham, Gustavo Café de Miranda, Michael J. Biercuk, Athreya Shankar, Robert N. Wolf

 

Fault-Tolerant Quantum Computing with Trapped Ions: The Walking Cat Architecture

Authors: Felix Tripier, Woo Chang Chung, Jacob Young, Safwan Alam, Bryce Bjork, Aharon Brodutch, Finn Lasse Buessen, Nolan J. Coble, Thomas Dellaert, Dmitri Maslov, Martin Roetteler, Edwin Tham, Mark Webster, Min Ye, John Gamble, Andrii Maksymov, J. P. Marceaux, Nicolas Delfosse

 

HyPulse: A Pulse Synthesis Framework for Hybrid Qubit-Oscillator Gates on Trapped-Ion Platform

Authors: Masoud Hakimi Heris, Yuan Liu, Frank Mueller

 

Hyperfine-resolved laser excitation and detection of nuclear isomer in trapped 229Th3+ ions

Authors: Wu Wang, Ke Zhang, Ke-Mi Xu, Shan-Gui Zhou

 

Hyperfine-Resolved Rovibrational and Rotational Spectroscopy of OH+ (X3Σ−)

Authors: Weslley G. D. P. Silva, Lea Schneider, Urs U. Graf, Holger S. P. Müller, Pavol Jusko, Arshia M. Jacob, Dominik Riechers, Stephan Schlemmer, Oskar Asvany

 

J=0 metastable state of Th2+ for a hyperfine-free nuclear clock

Authors: S. Sagar Maurya, V. Lal, J. Tiedau, M. V. Okhapkin, E. Peik

 

Large-Scale Quantum Circuit Simulation on an Exascale System for QPU Benchmarking

Authors: J. A. Montanez-Barrera, Kristel Michielsen

 

Liouvillian spectral control for fast charging of quantum batteries

Authors: Hang Zhou, Jia-Wei Huang, Chuan-Cun Shu

 

Low-Excitation Vertical Ion Shuttling in Scalable Multi-Rail Ion Trap Architectures

Authors: Qirat Iqbal, Altaf H. Nizamani

 

Low-cost Ultra-low Noise DAC System-on-Module for Scalable Ion-Trap Electrode Control

Authors: Mitchell G. Peaks, Mia M. Kaarls, Crystal Noel

 

Measuring Accuracy and Energy-to-Solution of Quantum Fine-Tuning of Foundational AI Models

Authors: Oliver Knitter, Sang Hyub Kim, Maximilian Wurzer, Jonathan Mei, Claudio Girotto, Karen Horovitz, Chi Chen, Masako Yamada, Frederik F. Flöther, Martin Roetteler

 

Non-Abelian String-Breaking Dynamics on a Qudit Quantum Computer

Authors: Manuel John, Keshav Pareek, Peter Tirler, Tim Gollerthan, Michael Meth, Lukas Gerster, Peter Zoller, Daniel González-Cuadra, Torsten V. Zache, Martin Ringbauer

 

Observation of quantum multi-Mpemba effect in a trapped-ion system

Authors: Gang Xia, Yu-Jie Zheng, Jing Huang, Chun-Wang Wu, Yi Xie, Ting Chen, Wei Wu, Weibin Li, Hui Jing, Jie Zhang, Yan-Li Zhou, Ping-Xing Chen

 

Observation of spontaneous N-bearing PAH formation using ion trap: a new formation pathway in the interstellar medium

Authors: Siddhartha S. Payra, Pratikkumar Thakkar, Shiv Gupta, Ruth Ann Mathews, Yash Lenka, Saurav Dutta, Nihar Ranjan Behera, Krishna R. Nandipati, G. Aravind

 

Protein folding on a 64 qubit trapped-ion hardware via counterdiabatic quantum optimization

Authors: Alejandro Gomez Cadavid, Pavle Nikačević, Pranav Chandarana, Sebastián V. Romero, Enrique Solano, Narendra N. Hegade, Miguel Angel Lopez-Ruiz, Claudio Girotto, Hanna Linn, Hakan Doga, Evgeny Epifanovsky, Panagiotis Kl. Barkoutsos, Ananth Kaushik, Martin Roetteler

 

Quantum Feature Selection with Higher-Order Binary Optimization on Trapped-Ion Hardware

Authors: Carlos Flores-Garrigós, Anton Simen, Qi Zhang, Enrique Solano, Narendra N. Hegade, Sayonee Ray, Claudio Girotto, Jason Iaconis, Martin Roetteler

 

Quantum Lattice Boltzmann Solutions for Transport under 3D Spatially Varying Advection on Trapped Ion Hardware

Authors: Sayonee Ray, Jezer Jojo, Jason Iaconis, Abeynaya Gnanasekaran, Apurva Tiwari, Martin Roetteler, Chris Hill, Jay Pathak

 

Quantum theory for phonon lasing and non-classical state generation in mixed-species and single trapped ions

Authors: David Baur, Tanja Behrle, Ivan Rojkov, Jan Jeske, Susanne Yelin, Jonathan Home, Florentin Reiter

 

Quantum trajectory simulation of two-dimensional non-equilibrium steady states with a trapped ion quantum processor

Authors: Anna Dalmasso, Arash Jafarizadeh, Julian Boesl, Jared Jeyaretnam, Sheng-Hsuan Lin, Andrew G. Green, Frank Pollmann, Michael Knap, Juan P. Garrahan, Henrik Dreyer, Adam Gammon-Smith

 

Scalable surface ion trap design for magnetic quantum sensing and gradiometry

Authors: Qirat Iqbal, Altaf Hussain Nizamani

 

Scaling Qubit Mapping and Routing With Position Graph Abstraction and Memoization

Authors: Brent Russon, Bao Bach, Ed Younis, Ilya Safro

 

Simulating the dynamics of an SU(2) matrix model on a trapped-ion quantum computer

Authors: Gavin S. Hartnett, Haoran Liao, Enrico Rinaldi

 

Spectral functions on a quantum computer through system-environment interaction

Authors: Etienne Granet, Ramil Nigmatullin, David T. Stephen, Henrik Dreyer

 

Super-Heisenberg protocol for dark matter and high-frequency gravitational wave search

Authors: Wakutaka Nakano, Ryoto Takai

 

Symmetry-Enforced Non-Hermitian Jarzynski Equality in an SU(2)-Rotated Family of Hybrid PT–APT Systems

Authors: Zongru Yang, Teng Liu, Xiaodong Tan, Feng Zhu, Le Luo

 

Universal Spin Squeezing Dynamical Phase Transitions across Lattice Geometries, Dimensions, and Microscopic Couplings

Authors: Arman Duha, Thomas Bilitewski

 

Unlocking vacuum entanglement

Authors: Andrew Steane, Haru Ishizaka

 

Yttrium ion as a platform for quantum information processing

Authors: Christopher N. Gilbreth, Dmytro Filin, Marianna S. Safronova, Guanming Lao, Eric R. Hudson