ITN Newsletter – September 2020 – TIPICQA

ITN Newsletter – September 2020

Due to the cancellation of many events this year, the organisers of ECTI and NACTI have agreed to shift the calendar by one year, so that ECTI will be held in 2021 and NACTI in 2022. More details soon to come. Our well-known training school in Les Houches is open for pre-registration (see below). We cross our fingers that January in Les Houches will be on-site and in-snow!

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September 2020 | News from COST Action CA17113 “Trapped Ions: Progress in classical and quantum applications”

Dear all,

due to the cancellation of many events this year, the organisers of ECTI and NACTI have agreed to shift the calendar by one year, so that ECTI will be held in 2021 and NACTI in 2022. More details soon to come.

Our well-known training school in Les Houches is open for pre-registration (see below). We cross our fingers that January in Les Houches will be on-site and in-snow!

Your editorial team

News

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

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

Events

3rd Asia-Pacific Workshop on Trapped Quantum Systems (APTQS 2020) – Online Conference, Oct. 28–30, 2020. Details: https://qiqb.otri.osaka-u.ac.jp/en/aptqs-2020/

WInter School on Physics with Trapped Charged Particles, Les Houches (France) from January 25 – February 5th, 2021. Our 4th edition is open for registration ! 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, http://www.munich-iapp.de) in Garching, Germany, from 1st to 26th March 2021.

25th ICOLS, Estes Park, Colorado/USA, 20-25 June 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

Jobs

Postdoctoral Research Associate and PhD positions for projects focused on quantum computing, quantum simulation, and precision metrology with trapped-ions in linear Paul traps are available at the University of Sydney. Closing date: 18 October 2020 (AEST) . For further details please see the job advert or contact Michael Biercuk ().

The BASE-Mainz team seeks to fill a post-doc position and two PhD positions on antimatter experiments until the end of the year. Details on website, or contact Christian Smorra ()

An open Ph.D./Postdoc position in the group of prof. Thorsten Schumm at the Vienna University of Technology: solid-state nuclear Thorium-229 clock development, for details, see https://thoriumclock.eu/?p=935

A post-doc position is available in co-development of the ultimate monolithic 3D Paul-trap and Sr-ion quantum networking. Contact , Details

A postdoc position is available in the group of Sourav Dutta (Tata Institute of Fundamental Research, India). The projects in the lab focus on trapped ions and ultracold molecules. For details please contact . Details

A postdoc position in the Ultracold Quantum Molecular Systems Group at the University of Warsaw in Poland Details

Staff positions in trapped-ion quantum information processing at MIT Lincoln Laboratory; link ; contact: John Chiaverini ().

Postdoc job offer at the Ion Trapping group in Granada, to work on “Single-trapped-ion detection techniques for (super)heavy ions, precision experiments based on optical sensing and quartz amplifiers”. Details

A post-doc position is available on “Precision 1S-2S spectroscopy of a single He+ ion for fundamental physics” in the group of Kjeld Eikema at the LaserLaB Amsterdam, Vrije Universiteit, The Netherlands. More information available here.

A postdoc position in ion trap cavity QED for fast networked quantum computing is available in the Ion Trap Quantum Computing Group at the University of Oxford. For details please contact . More information is available here

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 please contact Robert Wolf ().

Postdoc position in Frequency Metrology for Antihydrogen Physics at Alpha, CERN. LINK
And another postdoc position for positron accumulation, delivery and preparation, also at Alpha, CERN Details

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

Publications

Please sent informations about your publications to

A very precise ratio
BY JELENA STAJIC
SCIENCE04 SEP 2020 : 1203-1205

Calculation of the energy-level structure of the HfF+ cation to search for parity-nonconservation effects
I. P. Kurchavov and A. N. Petrov
Phys. Rev. A 102, 032805 (2020)

Certified quantum gates
Wesley C. Campbell
Phys. Rev. A 102, 022426 (2020)

Charge-sharing dynamics of dissociating highly charged ions
J. Matsumoto, Y. Iwasaki, H. Shiromaru, and G. Veshapidze
Phys. Rev. A 102, 022819 (2020)

Cooling of a Zero-Nuclear-Spin Molecular Ion to a Selected Rotational State
Patrick R. Stollenwerk, Ivan O. Antonov, Sruthi Venkataramanababu, Yen-Wei Lin, and Brian C. Odom
Phys. Rev. Lett. 125, 113201 (2020)

Dipole-Phonon Quantum Logic with Trapped Polar Molecular Ions
Wesley C. Campbell and Eric R. Hudson
Phys. Rev. Lett. 125, 120501 (2020)

Direct observation of ultracold atom-ion excitation exchange
Ruti Ben-shlomi, Romain Vexiau, Ziv Meir, Tomas Sikorsky, Nitzan Akerman, Meirav Pinkas, Olivier Dulieu, and Roee Ozeri
Phys. Rev. A 102, 031301(R) (2020)

Enhanced ion–cavity coupling through cavity cooling in the strong coupling regime
Costas Christoforou, Corentin Pignot, Ezra Kassa, Hiroki Takahashi & Matthias Keller
Scientific Reports 10 , 1–7 (2020)

Evidence for Nonlinear Isotope Shift in Yb+ Search for New Boson
Ian Counts, Joonseok Hur, Diana P. L. Aude Craik, Honggi Jeon, Calvin Leung, Julian C. Berengut, Amy Geddes, Akio Kawasaki, Wonho Jhe, and Vladan Vuletić
Phys. Rev. Lett. 125, 123002 (2020)

Experimental deterministic correction of qubit loss
Roman Stricker, Davide Vodola, Alexander Erhard, Lukas Postler, Michael Meth, Martin Ringbauer, Philipp Schindler, Thomas Monz, Markus Müller & Rainer Blatt
Nature 585 , 207–210 (2020)

Experimental setup for studying an ultracold mixture of trapped Yb+–6Li
H. Hirzler, T. Feldker, H. Fürst, N. V. Ewald, E. Trimby, R. S. Lous, J. D. Arias Espinoza, M. Mazzanti, J. Joger, and R. Gerritsma
Phys. Rev. A 102, 033109 (2020)

High-precision molecular measurement
BY MASAKI HORI
SCIENCE 04 SEP 2020 : 1160-1161 (2020)

Hints of Dark Bosons
Katherine Wright
Physics 13, s115, September 15 (2020)

Identification of molecular quantum states using phase-sensitive forces
Kaveh Najafian, Ziv Meir, Mudit Sinhal & Stefan Willitsch
Nature Communications 11 , 1–10 (2020)

Improved Isotope-Shift-Based Bounds on Bosons beyond the Standard Model through Measurements of the 2D3/2−2D5/2 Interval in Ca+
Cyrille Solaro, Steffen Meyer, Karin Fisher, Julian C. Berengut, Elina Fuchs, and Michael Drewsen
Phys. Rev. Lett. 125, 123003 (2020)

Improving the indistinguishability of single photons from an ion-cavity system
Thomas Walker, Samir Vartabi Kashanian, Travers Ward, and Matthias Keller
Phys. Rev. A 102, 032616 (2020)

Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain
Filippo M. Gambetta, Chi Zhang, Markus Hennrich, Igor Lesanovsky, and Weibin Li
Phys. Rev. Lett. 125, 133602 (2020)

Lorentz and CPT tests with charge-to-mass ratio comparisons in Penning traps
Yunhua Ding and Mohammad Farhan Rawnak
Phys. Rev. D 102, 056009 (2020)

Many-Body Dephasing in a Trapped-Ion Quantum Simulator
Harvey B. Kaplan, Lingzhen Guo, Wen Lin Tan, Arinjoy De, Florian Marquardt, Guido Pagano, and Christopher Monroe
Phys. Rev. Lett. 125, 120605 (2020)

Nanoscale ion implantation using focussed highly charged ions
Paul Räcke, Ralf Wunderlich, Jürgen W Gerlach, Jan Meijer and Daniel Spemann
New J. Phys. 22 083028 (2020)

Nonadiabatic effects in the double ionization of atoms driven by a circularly polarized laser pulse
J. Dubois, C. Chandre, and T. Uzer
Phys. Rev. E 102, 032218 (2020)

Nonperturbative leakage elimination for a logical qubit encoded in a mechanical oscillator
Shasha Zheng, Qiongyi He, Mark S. Byrd, and Lian-Ao Wu
Phys. Rev. Research 2, 033378 (2020)

Penning trap mass measurements of the deuteron and the HD+ molecular ion
Sascha Rau, Fabian Heiße, Florian Köhler-Langes, Sangeetha Sasidharan, Raphael Haas, Dennis Renisch, Christoph E. Düllmann, Wolfgang Quint, Sven Sturm & Klaus Blaum
Nature 585 , 43–47 (2020)

Proton-electron mass ratio from laser spectroscopy of HD+ at the part-per-trillion level
SAYAN PATRA, M. GERMANN, J.-PH. KARR, M. HAIDAR, L. HILICO, V. I. KOROBOV, F. M. J. COZIJN, K. S. E. EIKEMA, W. UBACHS, J. C. J. KOELEMEIJ
SCIENCE-04 SEP 2020 : 1238-1241 (2020)

Quantum simulation of extended polaron models using compound atom-ion systems
Krzysztof Jachymski and Antonio Negretti
Phys. Rev. Research 2, 033326 (2020)

Quantum thermodynamics in adiabatic open systems and its trapped-ion experimental realization
Chang-Kang Hu, Alan C. Santos, Jin-Ming Cui, Yun-Feng Huang, Diogo O. Soares-Pinto, Marcelo S. Sarandy, Chuan-Feng Li & Guang-Can Guo
npj Quantum Information 6 , 1–11 (2020)

Quartz resonators for Penning traps toward mass spectrometry on the heaviest elements
S. Lohse, J. Berrocal, S. Böhland, J. van de Laar, M. Block, S. Chenmarev, Ch. E. Düllmann, Sz. Nagy, J. G. Ramírez, and D. Rodríguez
Rev. Sci. Instrum. 91, 093202 (2020).

Radiative cooling dynamics of isolated N2O+ ions in a cryogenic electrostatic ion storage ring
A. Hirota, R. Igosawa, N. Kimura, S. Kuma, K. C. Chartkunchand, P. M. Mishra, M. Lindley, T. Yamaguchi, Y. Nakano, and T. Azuma
Phys. Rev. A 102, 023119 (2020)

Single-atom heat engine as a sensitive thermal probe
Amikam Levy, Moritz Göb, Bo Deng, Kilian Singer, E Torrontegui and Daqing Wang
New J. Phys. 22 093020 (2020)

Significantly Improving the Escape Time of a Single 40Ca+ Ion in a Linear Paul Trap by Fast Switching of the Endcap Voltage
Peng-Peng Zhou (周朋朋), Shao-Long Chen (陈邵龙), Shi-Yong Liang (梁世勇), Wei Sun (孙伟), Huan-Yao Sun (孙焕尧), Yao Huang (黄垚), Hua Guan (管桦) and Ke-Lin Gao (高克林)
Chinese Phys. Lett. 37 093701 (2020)

Superconducting Flux Pump for a Planar Magnetic Field Source
J. H. Lacy, A. Cridland, J. Pinder, A. Uribe, R. Willetts and J. Verdú
IEEE Transactions on Applied Superconductivity, vol. 30, no. 8, pp. 1-12, Dec. 2020, Art no. 4902412,

Three-Dimensional Compensation for Minimizing Heating of the Ion in Surface-Electrode Trap
Ji Li, Liang Chen, Yi-He Chen, Zhi-Chao Liu, Hang Zhang, Mang Feng
Chin. Phys. Lett. 2020, 37 (5): 053701

Weak-to-strong transition of quantum measurement in a trapped-ion system
Yiming Pan, Jie Zhang, Eliahu Cohen, Chun-wang Wu, Ping-Xing Chen & Nir Davidson
Nature Physics , 1–5 (2020)

Preprints

Effects of cavity birefringence on remote entanglement generation
Ezra Kassa, William Hughes, Shaobo Gao, Joseph F Goodwin

Fault-Tolerant Operation of a Quantum Error-Correction Code
Laird Egan, Dripto M. Debroy, Crystal Noel, Andrew Risinger, Daiwei Zhu, Debopriyo Biswas, Michael Newman, Muyuan Li, Kenneth R. Brown, Marko Cetina, Christopher Monroe

High-energy-resolution measurement of ultracold atom-ion collisional cross section
Ruti Ben-shlomi, Meirav Pinkas, Ziv Meir, Tomas Sikorsky, Or Katz, Nitzan Akerman, Roee Ozeri

Investigating the quench dynamics of the bound states in a spin-orbital coupling system using a trapped ion
Hao-Qing Zhang, Ming-Zhong Ai, Jin-Ming Cui, Yong-Jian Han, Chuan-Feng Li, Guang-Can Guo

Many Body Thermodynamics on Quantum Computers via Partition Function Zeros
Akhil Francis, D. Zhu, C. Huerta Alderete, Sonika Johri, Xiao Xiao, J. K. Freericks, C. Monroe, N. M. Linke, A. F. Kemper

Materials Challenges for Trapped-Ion Quantum Computers
Kenneth R. Brown, John Chiaverini, Jeremy Sage, Hartmut Häffner

Measuring ion oscillations at the quantum level with fluorescence light
G. Cerchiari, G. Araneda, L. Podhora, L. Slodička, Y. Colombe, R. Blatt

Phoenix and Peregrine Ion Traps
Melissa C. Revelle

Precision measurement of the ionization energy of a single trapped 40Ca+ ion by Rydberg series excitation
Justas Andrijauskas, Jonas Vogel, Arezoo Mokhberi, Ferdinand Schmidt-Kaler

Quantum Effects in the Aubry Transition
Pietro Maria Bonetti, Andrea Rucci, Vladan Vuletic, Maria Luisa Chiofalo

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

Trapping, cooling, and photodissociation analysis of state-selected H_2+ ions produced by (3+1) multiphoton ionization
Julian Schmidt, Thomas Louvradoux, Johannes Heinrich, Nicolas Sillitoe, Malcolm Simpson, Jean-Philippe Karr, Laurent Hilico

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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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ITN Newsletter – September 2020

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