ITN Newsletter – September 2021 – TIPICQA

ITN Newsletter – September 2021

Two new events in the frame of the COST Action CA17113 will tackle different aspects of ion trapping. The Cryogenic Ion Trapping Day focuses on technical aspects of low-temperature devices, while the 2nd edition of ECCTI is dedicated to young ion trappers, and gives them a unique opportunity to gather and discuss.

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September 2021 | News from COST Action CA17113 “Trapped Ions: Progress in classical and quantum applications”

Dear all,

two new events in the frame of the COST Action will tackle different aspects of ion trapping. The Cryogenic Ion Trapping Day focuses on technical aspects of low-temperature devices, while the 2nd edition of ECCTI is dedicated to young ion trappers, and gives them a unique opportunity to gather and discuss. The deadline for submission of abstracts is 1 October 2021 – hurry up !

Your editorial team

News

Cryogenic ion trapping day on 19 October 2021 via Zoom
Ions like their traps cold. Therefore, more and more ion trapping experiments make use of cryogenic environments. However, designing and operating a cryogenic setup is still challenging. This technical meeting within the COST action CA17113 is intended to connect the community interested in trapping ions in cryogenic environments. Different speakers will introduce their cryogenic setups, discussing their design, performance, and limitations. Ample time is reserved for technical discussion and exchange of experiences. The announcement is HERE including the meeting schedule
Register at LINK before the deadline: 17 October 2021

Discussions are ongoing about the organisation of a hybrid ECTI conference with connected local sites. There will soon be more information, you can already SAVE THE DATE 22-26 November 2022

The Otto Hahn Prize 2021 is awarded to Klaus Blaum of the Max Planck Institute for Nuclear Physics in Heidelberg. Details

Events

European Conference on Trapped Ions (ECTI), hybrid, various sites, 22-26 November 2022

Early Career Conference in Trapped Ions 2022, 10th – 14th January 2022, at CERN, Geneva LINK
The call for abstracts is still open. Deadline 1st October 2021.

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

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

A tenure-track assistant professor position in physical chemistry at the University of Basel, Switzerland. More details and the guide for application are HERE

Two Post-doc positions are available at the Center for Quantum Technologies in Singapore for the development of portable optical clocks and chip scale ion traps. Please contact Murray Barrett for details

A post-doctoral researcher to work on a cryogenic Silicon cavity project below 1 K in Besançon, France (project funded by EURAMET). Details

Postdoctoral positions available to set up the ion trap nodes for a quantum network between UC Berkeley and Lawrence Berkeley National Laboratories. Details and contact Hartmut Haeffner

A Postdoc position at Stockholm University to work on Experimental Quantum Computing with trapped Rydberg Ions. Application deadline 20 September. For more information see the announcement, our webpage, or contact Markus Hennrich.

A PhD position in the group “Quantum Clocks and Complex Systems” at PTB in Braunschweig, Germany, Details or contact .

The Highly Charged Ion Dynamics group (Crespo lab) at the Pfeifer Division of the Max-Planck-Institut für Kernphysik (MPIK) in Heidelberg is seeking a postdoctoral research associate (2 years) starting as soon as possible. Contact: Prof. Dr. José R. Crespo López-Urrutia; Dr. Elwin Dijck

A Postdoctoral Research Associate Position for molecular spectroscopy (up to 5 years, starting from 1.2.22) is available at TU Berlin. For further details, see here, or contact: Otto Dopfer

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 (). LINK

Postdoctoral Research Associate and PhD positions are available on quantum control and quantum computation with trapped ion at the University of Sydney. For details please contact Ting Rei Tan (). LINK

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

Publications

Please sent informations about your publications to

Cold ion beam in a storage ring as a platform for large-scale quantum computers and simulators: Challenges and directions for research and development
T. Shaftan and Boris B. Blinov
Phys. Rev. Accel. Beams 24, 094701 (2021)

Constructing qudits from infinite-dimensional oscillators by coupling to qubits
Yuan Liu, Jasmine Sinanan-Singh, Matthew T. Kearney, Gabriel Mintzer, and Isaac L. Chuang
Phys. Rev. A 104, 032605 (2021)

Cross-Verification of Independent Quantum Devices
C. Greganti, T. F. Demarie, M. Ringbauer, J. A. Jones, V. Saggio, I. Alonso Calafell, L. A. Rozema, A. Erhard, M. Meth, L. Postler, R. Stricker, P. Schindler, R. Blatt, T. Monz, P. Walther, and J. F. Fitzsimons
Phys. Rev. X 11, 031049 (2021)

Demonstration of Shor Encoding on a Trapped-Ion Quantum Computer
Nhung H. Nguyen, Muyuan Li, Alaina M. Green, C. Huerta Alderete, Yingyue Zhu, Daiwei Zhu, Kenneth R. Brown, and Norbert M. Linke
Phys. Rev. Applied 16, 024057 (2021)

Design, fabrication and characterization of a micro-fabricated stacked-wafer segmented ion trap with two X-junctions
Chiara Decaroli, Roland Matt, Robin Oswald, Christopher Axline, Maryse Ernzer, Jeremy Flannery, Simon Ragg and Jonathan P Home
Quantum Science and Technology, 6 044001 (2021)

Dynamical phase transitions in quantum spin models with antiferromagnetic long-range interactions
Jad C. Halimeh, Maarten Van Damme, Lingzhen Guo, Johannes Lang, and Philipp Hauke
Phys. Rev. B 104, 115133 (2021)

Enhanced transport of two interacting quantum walkers in a one-dimensional quasicrystal with power-law hopping
G. A. Domínguez-Castro and R. Paredes
Phys. Rev. A 104, 033306 (2021)

Equilibration of the planar modes of ultracold two-dimensional ion crystals in a Penning trap
Chen Tang, Athreya Shankar, Dominic Meiser, Daniel H. E. Dubin, John J. Bollinger, and Scott E. Parker
Phys. Rev. A 104, 023325 (2021) –

Experimental Realization of Multi-ion Sympathetic Cooling on a Trapped Ion Crystal
Z.-C. Mao, Y.-Z. Xu, Q.-X. Mei, W.-D. Zhao, Y. Jiang, Y. Wang, X.-Y. Chang, L. He, L. Yao, Z.-C. Zhou, Y.-K. Wu, and L.-M. Duan
Phys. Rev. Lett. 127, 143201 (2021)

High-Fidelity Bell-State Preparation with 40Ca+ Optical Qubits
Craig R. Clark, Holly N. Tinkey, Brian C. Sawyer, Adam M. Meier, Karl A. Burkhardt, Christopher M. Seck, Christopher M. Shappert, Nicholas D. Guise, Curtis E. Volin, Spencer D. Fallek, Harley T. Hayden, Wade G. Rellergert, and Kenton R. Brown
Phys. Rev. Lett. 127, 130505 (2021)

High-fidelity laser-free universal control of trapped ion qubits
R. Srinivas, S. C. Burd, H. M. Knaack, R. T. Sutherland, A. Kwiatkowski, S. Glancy, E. Knill, D. J. Wineland, D. Leibfried, A. C. Wilson, D. T. C. Allcock & D. H. Slichter
Nature volume 597, pages 209–213 (2021)

Large-tuning-range frequency stabilization of an ultraviolet laser by an open-loop piezoelectric ceramic controlled Fabry–Pérot cavity
Zheng, Yong-Xiang; Cui, Jin-Ming; Ai, Ming-Zhong; Qian, Zhong-hua; Cao, Huan; Huang, Yun-Feng; Jia, Xiao-Jun; Li, Chuan-Feng; Guo, Guang-Can
Optics Express 29(16) 24674-24683 (2021)

Laser-free qubit control
Giulia Pacchioni
Nature Reviews Materials volume 6, page874 (2021)

Minimization of the micromotion of trapped ions with artificial neural networks
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 and Le Luo
Appl. Phys. Lett. 119, 134002 (2021)

Optical Superresolution Sensing of a Trapped Ion’s Wave Packet Size
Martín Drechsler, Sebastian Wolf, Christian T. Schmiegelow, and Ferdinand Schmidt-Kaler
Phys. Rev. Lett. 127, 143602 (2021)

Parameter-dependent unitary transformation approach for quantum Rabi model
Degang Zhang
New J. Phys. 23 093014 (2021)

Quantum transfer through small networks coupled to phonons: Effects of topology versus phonons
B. Hou and R. V. Krems
Phys. Rev. E 104, 045302 (2021)

Reinforcement Learning for Digital Quantum Simulation
Adrien Bolens and Markus Heyl
Phys. Rev. Lett. 127, 110502 (2021)

Rovibrational spin-averaged transitions in the hydrogen molecular ions
Vladimir I. Korobov and J.-Ph. Karr
Phys. Rev. A 104, 032806 (2021)

Shortcuts to adiabatic rotation of a two-ion chain
Ander Tobalina, Juan Gonzalo Muga, Ion Lizuain and Mikel Palmero
Quantum Science and Technology, Volume 6, 045023 (2021)

Simulating quantum materials with digital quantum computers
Lindsay Bassman, Miroslav Urbanek, Mekena Metcalf, Jonathan Carter, Alexander F Kemper and Wibe A de Jong
Quantum Sci. Technol. 6, 043002 (2021)

Susceptibility of trapped-ion qubits to low-dose radiation sources
Jiafeng Cui, A J Rasmusson, Marissa D’Onofrio, Yuanheng Xie, Evangeline Wolanski and Philip Richerme
Journal of Physics B: Atomic, Molecular and Optical Physics, Volume 54, 13LT01 (2021)

Universal hybrid quantum computing in trapped ions
R. T. Sutherland and R. Srinivas
Phys. Rev. A 104, 032609 (2021)

Preprints

A comment on “Discrete time crystals: rigidity, criticality, and realizations”
Vedika Khemani, Roderich Moessner, S. L. Sondhi

A universal qudit quantum processor with trapped ions
Martin Ringbauer, Michael Meth, Lukas Postler, Roman Stricker, Rainer Blatt, Philipp Schindler, Thomas Monz

Any-to-any connected cavity-mediated architecture for quantum computing with trapped ions or Rydberg arrays
Joshua Ramette, Josiah Sinclair, Zachary Vendeiro, Alyssa Rudelis, Marko Cetina, Vladan Vuletić

Blueprint for trapped ion quantum computing with metastable states
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, D. J. Wineland

Buffer gas cooling of ions in time-dependent traps using ultracold atoms
E. Trimby, H. Hirzler, H. Fürst, A. Safavi-Naini, R. Gerritsma, R. S. Lous

Deterministic loading of a single strontium ion into a surface electrode trap using pulsed laser ablation
Alto Osada, Atsushi Noguchi

Device-Independent Quantum Key Distribution
D. P. Nadlinger, P. Drmota, B. C. Nichol, G. Araneda, D. Main, R. Srinivas, D. M. Lucas, C. J. Ballance, K. Ivanov, E. Y-Z. Tan, P. Sekatski, R. L. Urbanke, R. Renner, N. Sangouard, J-D. Bancal

Digital quantum simulation of NMR experiments
Kushal Seetharam, Debopriyo Biswas, Crystal Noel, Andrew Risinger, Daiwei Zhu, Or Katz, Sambuddha Chattopadhyay, Marko Cetina, Christopher Monroe, Eugene Demler, Dries Sels

Doubly-ionized lanthanum as a qubit candidate for quantum networks
S. Olmschenk

Dynamics of a trapped ion in a quantum gas: effects of particle statistics
Lorenzo Oghittu, Melf Johannsen, Rene Gerritsma, Antonio Negretti

Entangling-gate error from coherently displaced motional modes of trapped ions
B. P. Ruzic, T. A. Barrick, J. D. Hunker, R. J. Law, B. K. McFarland, H. M. McGuinness, L. P. Parazzoli, J. D. Sterk, J. W. Van Der Wall, D. Stick

Generative Quantum Learning of Joint Probability Distribution Functions
Elton Yechao Zhu, Sonika Johri, Dave Bacon, Mert Esencan, Jungsang Kim, Mark Muir, Nikhil Murgai, Jason Nguyen, Neal Pisenti, Adam Schouela, Ksenia Sosnova, Ken Wright

Increase of barium ion-trap lifetime via photodissociation
Hao Wu, Michael Mills, Elizabeth West, Michael C. Heaven, Eric R. Hudson

Integrated scalable metalens array for optical addressing
Tie Hu, Yunxuan Wei, Zhihao Zhou, Ming Zhao, Zhenyu Yang

Long-range interacting quantum systems
Nicolò Defenu, Tobias Donner, Tommaso Macrì, Guido Pagano, Stefano Ruffo, Andrea Trombettoni

Low depth amplitude estimation on a trapped ion quantum computer
Tudor Giurgica-Tiron, Sonika Johri, Iordanis Kerenidis, Jason Nguyen, Neal Pisenti, Anupam Prakash, Ksenia Sosnova, Ken Wright, William Zeng

Noise-Aware Quantum Amplitude Estimation
Steven Herbert, Roland Guichard, Darren Ng

Preparing Renormalization Group Fixed Points on NISQ Hardware
Troy J. Sewell, Stephen P. Jordan

Robust Polarization Gradient Cooling of Trapped Ions
Wenbing Li, Sebastian Wolf, Lukas Klein, Dmitry Budker, Christoph E. Düllmann, Ferdinand Schmidt-Kaler

Spin-Holstein models in trapped-ion systems
Johannes Knörzer, Tao Shi, Eugene Demler, J. Ignacio Cirac

Temperature estimation of an entangled pair of trapped ions
O. P. de Sá Neto, H. A. S. Costa, G. A. Prataviera, M. C. de Oliveira

Transport-enabled entangling gate for trapped ions
Holly N. Tinkey, Craig R. Clark, Brian C. Sawyer, Kenton R. Brown

Ultrafast coherent excitation of an Ytterbium ion with single laser pulses
Kenji Shimizu, Jordan Scarabel, Elizabeth Bridge, Steven Connell, Mojtaba Ghadimi, Ben Haylock, Mahmood Irtiza Hussain, Erik Streed, Mirko Lobino

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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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ITN Newsletter – September 2021

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