Dear all,

the COST Action organizes a technical event regarding the use and implementation of ARTIQ software with the objective to promote the interaction or collaboration between different groups with common goals or applications. This ARTIQ day is planned on 28 April 2021, the detailed program will be published soon.

Your editorial team

News

Submit proposals for the Lethokov medal of the EPS Quantum Electronics and Optics division before 13 April 2021. LINK

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

Events

ARTIQ day: 28 April 2021, detailed program soon to come, contact Daniel Rodriguez

724. WE-Heraeus-Seminar: Collective Effects and Non‐Equilibrium Quantum Dynamics 2021
June 27, 2021 to June 30, 2021 LINK

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

52nd EGAS conference, online event, 6-8 July 2021 https://www.egas52.org/

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 http://quantumoptics.faj.org.pl/

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 (www.amo-seminar.com): Fridays, 7pm (UTC)

The “Quantum Science Seminar” (http://quantumscienceseminar.com/): Thursdays, 5pm

Jobs

2 PhD positions in Experimental Quantum Technology with Trapped Rydberg Ions at Stockholm University, Sweden Details or contact markus.hennrich@fysik.su.se

PhD Studentship at University of Sussex in implementing quantum illumination with trapped electrons LINK

A postdoc position at the Centre for Cold Matter at Imperial College London, to work on a new project aimed at cooling molecules to quantum degeneracy  LINK

A postdoc position available at Charles University in Prague (Czech Republic) on Quantum Control of Ion-Electron Recombination. More information HERE  or contact michal.hejduk@mff.cuni.cz.

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

PhD, postdoc and a research assistant position at the University of Amsterdam (UvA), the Free University of Amsterdam (VU) and the Eindhoven University of Technology (TU/e). Details and contacts can be found HERE or at http://hyqs.nl/vacancies/

PhD studentship: Developing and Operating a Trapped Ion Quantum computer Prototype at University of Sussex (jobs.ac.uk)

PhD studentship: Developing Silicon Microchips for Ion Trap Quantum Computers at University of Sussex (jobs.ac.uk)
PhD positions for the new IQuAn project on trapped-ion quantum computing in combination with a super computer at the University of Mainz, see quantenbit.de, and please contact Ferdinand Schmidt-Kaler (fsk@uni-mainz.de).

Two PhD positions for new projects in the SFB www.qucolima.de on collective properties of light scattering and heat transport in ion crystals, please contact Ferdinand Schmidt-Kaler (fsk@uni-mainz.de).

Postdoctoral Research Associate and PhD positions are available on quantum simulation and sensing with large beryllium ion crystals at the University of Sydney (LINK). For details please contact Robert Wolf (robert.wolf@sydney.edu.au).

The UC Berkeley ion trap group has postdoctoral positions available to work on quantum information with trapped ions or electrons as well as on rotating ion crystals. For more information, please visit our homepage  and/or contact Hartmut Haeffner via hhaeffner@berkeley.edu

You can also find postdoc positions in frequency metrologycold atoms and quantum information

Publications

Please sent informations about your publications to iontrap.newsletter@gmail.com

 

A sub-4 Kelvin radio frequency linear multipole wire trap
Katharina Geistlinger, Moritz Fischer, Steffen Spieler, Lena Remmers, Felix Duensing, Franziska Dahlmann, Eric Endres, and Roland Wester
Review of Scientific Instruments 92, 023204 (2021)

A micro-optical module for multi-wavelength addressing of trapped ions
Matthew L Day, Kaushal Choonee, Zachary Chaboyer, Simon Gross, Michael J Withford, Alastair G Sinclair and Graham D Marshall
Quantum Sci. Technol. 6 024007 (2021)

Adiabatic sensing technique for optimal temperature estimation using trapped ions
Aleksandrina V. Kirkova, Weibin Li, and Peter A. Ivanov
Phys. Rev. Research 3, 013244 (2021)

Coarse-grained quantum cellular automata
O. Duranthon and Giuseppe Di Molfetta
Phys. Rev. A 103, 032224 (2021)

Concatenated multi-reflection time-of-flight spectra for wide-band mass spectrometry
Paul Fischer, Stephan König, Lutz Schweikhard
IJMS 463, 116546 (2021)

Creation of double-well potentials in a surface-electrode trap towards a nanofriction model emulator
U Tanaka, M Nakamura, K Hayasaka, A Bautista-Salvador, C Ospelkaus and T E Mehlstäubler
Quantum Sci. Technol. 6 024010 (2021)

Domain-wall confinement and dynamics in a quantum simulator
W. L. Tan, P. Becker, F. Liu, G. Pagano, K. S. Collins, A. De, L. Feng, H. B. Kaplan, A. Kyprianidis, R. Lundgren, W. Morong, S. Whitsitt, A. V. Gorshkov & C. Monroe
Nature Physics , 1–6 (2021)

Finite-time performance of a single-ion quantum Otto engine
Suman Chand, Shubhrangshu Dasgupta, and Asoka Biswas
Phys. Rev. E 103, 032144 (2021)

Finite-temperature spectrum at the symmetry-breaking linear to zigzag transition
Jan Kiethe, Lars Timm, Haggai Landa, Dimitri Kalincev, Giovanna Morigi, and Tanja E. Mehlstäubler
Phys. Rev. B 103, 104106 (2021)

Frustrated double ionization of atoms in circularly polarized laser fields
HuiPeng Kang, Shi Chen, Jing Chen and Gerhard G Paulus
New J. Phys. 23 033041 (2021)

High-energy-resolution measurements of an ultracold-atom–ion collisional cross section
Ruti Ben-shlomi, Meirav Pinkas, Ziv Meir, Tomas Sikorsky, Or Katz, Nitzan Akerman, and Roee Ozeri
Phys. Rev. A 103, 032805 (2021)

Investigations on Dynamical Stability in 3D Quadrupole Ion Traps
Bogdan M. Mihalcea and Stephen Lynch
Appl. Sci. 11(7), 2938 (2021)

Laser cooling of antihydrogen atoms
C.J. Baker et al. (ALPHA collaboration)
Nature 592, 35–42(2021)
with
Antimatter cooled by laser light
Masaki Hori
Nature 592, 27-28 (2021)

Life and death of a cold BaRb+ molecule inside an ultracold cloud of Rb atoms
Amir Mohammadi, Artjom Krükow, Amir Mahdian, Markus Deiß, Jesús Pérez-Ríos, Humberto da Silva, Jr., Maurice Raoult, Olivier Dulieu, and Johannes Hecker Denschlag
Phys. Rev. Research 3, 013196 (2021)

Materials challenges for trapped-ion quantum computers
Kenneth R. Brown, John Chiaverini, Jeremy M. Sage & Hartmut Häffner
Nature Reviews Materials , 1–14 
(2021)

Mitigating Realistic Noise in Practical Noisy Intermediate-Scale Quantum Devices
Jinzhao Sun, Xiao Yuan, Takahiro Tsunoda, Vlatko Vedral, Simon C. Benjamin, and Suguru Endo
Phys. Rev. Applied 15, 034026 (2021)

Perturbative tomography of small errors in quantum gates
Ruyu Yang and Ying Li
Phys. Rev. A 103, 032421 (2021)

Practical verification protocols for analog quantum simulators
Ryan Shaffer, Eli Megidish, Joseph Broz, Wei-Ting Chen & Hartmut Häffner
npj Quantum Information 7 , 1–12 (2021)

Polariton blockade in the Jaynes–Cummings–Hubbard model with trapped ions
R Ohira, S Kume, H Takahashi and K Toyoda
Quantum Sci. Technol. 6 024015 (2021) 

Probing many-body localization on a noisy quantum computer
D. Zhu, S. Johri, N. H. Nguyen, C. Huerta Alderete, K. A. Landsman, N. M. Linke, C. Monroe, and A. Y. Matsuura
Phys. Rev. A 103, 032606 (2021)

Pure Rotational Spectrum of CCl +
O. Asvany, C. R. Markus, K. Nagamori, H. Kohguchi, J. Furuta, K. Kobayashi, S. Schlemmer and S. Thorwirth
ApJ 910, 15 (2021)

Quantum coherence confined
Robert Konik
Nature Physics , 1–2 (2021)

Spectral properties of a three-body atom-ion hybrid system
Daniel J. Bosworth, Maxim Pyzh, and Peter Schmelcher
Phys. Rev. A 103, 033303 (2021)

Spreading of correlations and entanglement in the long-range transverse Ising chain
J. T. Schneider, J. Despres, S. J. Thomson, L. Tagliacozzo, and L. Sanchez-Palencia
Phys. Rev. Research 3, L012022 (2021)

Theoretical and Experimental Perspectives of Quantum Verification
Jose Carrasco, Andreas Elben, Christian Kokail, Barbara Kraus, and Peter Zoller
PRX Quantum 2, 010102 (2021)

Tunable transverse spin–motion coupling for quantum information processing
Adam D West, Randall Putnam, Wesley C Campbell and Paul Hamilton
Quantum Sci. Technol. 6 024003 (2021)

Tune-out and magic wavelengths of Ba+ ions
Jun Jiang, Yun Ma, Xia Wang, Chen-Zhong Dong, and Z. W. Wu
Phys. Rev. A 103, 032803 (2021)

Two-loop virtual light-by-light scattering corrections to the bound-electron g factor
V. Debierre, B. Sikora, H. Cakir, N. S. Oreshkina, V. A. Yerokhin, C. H. Keitel, and Z. Harman
Phys. Rev. A 103, L030802 (2021)

Preprints

A liquid nitrogen-cooled Ca^+ optical clock with systematic uncertainty of 3*10^-18
Yao Huang, Baolin Zhang, Mengyan Zeng, Yanmei Hao, Huaqing Zhang, Hua Guan, Zheng Chen, Miao Wang, Kelin Gao

Changes in electric-field noise due to thermal transformation of a surface ion trap
Maya Berlin-Udi, Clemens Matthiesen, P. N. Thomas Lloyd, Alberto Alonso, Crystal Noel, Chris Orme, Chang-Eun Kim, Vincenzo Lordi, Hartmut Häffner

Demonstration of quantum advantage by a joint detection receiver for optical communications using quantum belief propagation on a trapped-ion device
Conor Delaney, Kaushik P. Seshadreesan, Ian MacCormack, Alexey Galda, Saikat Guha, Prineha Narang

Design, fabrication and characterisation of a micro-fabricated double-junction segmented ion trap
Chiara Decaroli, Roland Matt, Robin Oswald, Maryse Ernzer, Jeremy Flannery, Simon Ragg, Jonathan P. Home

Dissipative preparation of W states in trapped ion systems
Daniel C. Cole, Jenny J. Wu, Stephen D. Erickson, Pan-Yu Hou, Andrew C. Wilson, Dietrich Leibfried, Florentin Reiter

Engineering spin-spin interactions with optical tweezers in trapped ions
Juan Diego Arias Espinoza, Matteo Mazzanti, Katya Fouka, Rima X. Schüssler, Zhenlin Wu, Philippe Corboz, Rene Gerritsma, Arghavan Safavi-Naini

Experimental SWAP test of infinite dimensional quantum states
Chi-Huan Nguyen, Ko-Wei Tseng, Gleb Maslennikov, H. C. J. Gan, Dzmitry Matsukevich

Harmonic chains and the thermal diode effect
Na’im Kalantar, Bijay Kumar Agarwalla, Dvira Segal

Heating of a trapped ion induced by dielectric materials
Markus Teller, Dario A. Fioretto, Philip C. Holz, Philipp Schindler, Viktor Messerer, Klemens Schüppert, Yueyang Zou, Rainer Blatt, John Chiaverini, Jeremy Sage, Tracy E. Northup

High-resolution infrared action spectroscopy of the fundamental vibrational band of CN+
Jose L. Domenech, Oskar Asvany, Charles R. Markus, Stephan Schlemmer, Sven Thorwirth

How to build Hamiltonians that transport noncommuting charges in quantum thermodynamics
Nicole Yunger Halpern, Shayan Majidy

Manipulating phonons of a trapped-ion system using optical tweezers
Yi Hong Teoh, Manas Sajjan, Zewen Sun, Fereshteh Rajabi, Rajibul Islam

Minimization of ion micromotion with artificial neural network
Yang Liu, Qi-feng Lao, Peng-fei Lu, Xin-xin Rao, Hao Wu, Teng Liu, Kun-xu Wang, Zhao Wang, Ming-shen Li, Feng Zhu, Le Luo

Motional squeezing for trapped ion transport and separation
R. T. Sutherland, S. C. Burd, D. H. Slichter, S. B. Libby, D. Leibfried

Native multiqubit Toffoli gates on ion trap quantum computers
Nilesh Goel, J. K. Freericks

Non-equilibrium Coupling of a Quartz Resonator to Ions for Penning-Trap Fast Resonant Detection
Joaquín Berrocal, Steffen Lohse, Francisco Domínguez, Manuel J. Gutiérrez, Francisco J. Fernández, Michael Block, Juan J. García-Ripoll, Daniel Rodríguez

Polariton blockade in the Jaynes-Cummings-Hubbard model with trapped ions
Ryutaro Ohira, Shota Kume, Hiroki Takahashi, Kenji Toyoda

Position measurement of a dipolar scatterer via self-homodyne detection
G. Cerchiari, L. Dania, D. S. Bykov, R. Blatt, T. Northup

Quantum computation and simulation with vibrational modes of trapped ions
Wentao Chen, Jaren Gan, Jing-Ning Zhang, Dzmitry Matuskevich, Kihwan Kim

Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals
Kevin A. Gilmore, Matthew Affolter, Robert J. Lewis-Swan, Diego Barberena, Elena Jordan, Ana Maria Rey, John J. Bollinger

Real-time quantum calculations of phase shifts using wave packet time delays
Erik Gustafson, Yingyue Zhu, Patrick Dreher, Norbert M. Linke, Yannick Meurice

Rovibrational spectroscopy of the CH+-He and CH+-He4 complexes
Thomas Salomon, José L. Doménech, Philipp C. Schmid, Ernest A. Michael, Stephan Schlemmer, Oskar Asvany

Ultra-high-resolution spectroscopy of trapped ion ensembles in the Lamb-Dicke regime: demonstration and determination of the proton-electron mass ratio
I. V. Kortunov, S. Alighanbari, M. G. Hansen, G. S. Giri, V. I. Korobov, S. Schiller