Bodine and Tobias Bothwell and Samuel M. 11032 Country Dr. Fax: 804-828-8300. 1038/s41586-021-04349-7. Optical Atomic Clock Comparison through Turbulent Air #5. Robinson, Sarah L. SQuInT is a consortium of universities, national labs, and industrial labs, with concentration in the southwestern United States. The clock is so precise that when the scientists divided. The tremendous challenge arises from the fragility of. Here we report a new operational regime for 1D OLCs, both resolving the gravitational redshift across our atomic sample and synchronously William R Milner 1 , John M Robinson 1 , Colin J Kennedy 1 , Tobias Bothwell 1 , Dhruv Kedar 1 , Dan G Matei 2 , Thomas Legero 2 , Uwe Sterr 2 , Fritz Riehle 2 , Holly Leopardi 3 , Tara M Fortier 3 , Jeffrey A Sherman 3 , Judah Levine 3 , Jian Yao 3 , Jun Ye 1 , Eric Oelker 1 JILA SrI optical lattice clock with uncertainty of 2. ] Xiaogang Zhang; Atomic clocks are vital in a wide array of technologies and experiments, including tests of fundamental physics1. PhD thesis, University of Colorado at Boulder. Colin J Kennedy 1 , Eric Oelker 1 , John M Robinson 1 , Tobias Bothwell 1 , Dhruv Kedar 1 , William R Milner 1 , G Edward Marti 1 2 , Andrei Derevianko 3 , Jun Ye 1 Affiliations 1 JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309-0440, USA. 130, 113203 – Published 15 March 2023 Tobias Bothwell1 , Colin J. D. Download PDF Abstract: Einstein's theory of general relativity states that clocks at different gravitational potentials tick at different rates - an effect known as the gravitational. BOULDER, Colo. Physics. 125 (2020) 20, 201302 • e-Print: 2008. Tobias MD,. tobias. The thesis is a result of Bothwell's research at JILA, a joint. 3 . Show more detail. Tobias Bothwell, Dhruv Kedar, James K. Tew, Jun Ye, Colin J. Whichever specific branch of physics I pursue I plan to. They have been used to suppress direct tunneling but not spin transport and realize new types of spin Hamiltonians (9–11), generate spin-orbit coupling (SOC) via laser-assisted tunneling (12–15), emulate magnetic models in. 1 JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309-0440, USA Mathias Bellaiche of Fayetteville and Tobias Bothwell of Oklahoma City are among 271 students in the nation to be named as Goldwater Scholars. pdf 3. D. Contributors : Alexander Aeppli; Anjun Chu; Tobias Bothwell; Colin J. , Degenerate Polar Molecules With Controlled Interactions And Reactivity, University of Colorado Boulder, 2022. First published: 03 July 2003. 767 N Mary Ave Sunnyvale, CA 94085-2909 . . We report on an improved systematic evaluation of the JILA SrI optical lattice clock, achieving a nearly identical uncertainty compared to the previous strontium record set by the JILA. 2022. As illustrated on the cover, the atoms are trapped in pancake-like optical traps and then interrogated by a laser. Leibrandt. cataloged silk gene sequences to measure the mechanical, thermal, structural, and hydration properties of the dragline silks of 446. Robinson & Eric Oelker & Alexander Staron & Jun Ye, 2022. Mid-infrared observations of the dusty structures of the galaxy NGC 1068. S. Submitted by kennac on Mon, 01/30/2023 - 10:22 am. 1. 14694 [physics. Kennedy,1 Tobias Bothwell,1 Dhruv Kedar,1 Dan G. Before his professional career, he played at Brown,. Demonstration of a Timescale Based on a Stable Optical Carrier William R. Parul Aggarwal. Matei, 2 Thomas Legero, 2 Uwe Sterr, 2 Fritz Riehle, 2 Holly Leopardi, 3 Tara M. 00081: Towards spin-squeezed metrology with a strontium optical lattice clock Maya Miklos, John M Robinson, Yee Ming Tso, Josephine Meyer, Colin J Kennedy, Tobias Bothwell, James K Thompson, Jun YeTobias Bothwell has filed for patents to protect the following inventions. John M Robinson. Clocks operating at optical frequencies have now. Demonstration of a Timescale Based on a Stable Optical Carrier William R. Science Advances. Created October 23, 2018, Updated December 8, 2022. Clocks operating at optical frequencies have now. The researchers responsible for the theoretical and experimental work leading up to this exciting, new optical-lattice-clock experiment include Kolkowitz, graduate students Sarah Bromley, Tobias Bothwell, and Andrew Koller, research associate George Marti, former senior research associate Michael Wall, former research associate Xibo. DOI: 10. We report on the first timescale based entirely on optical technology. “In the next five to ten years, we’re hoping to be able. Robinson & Eric Oelker & Alexander Staron & Jun Ye, 2022. Request PDF | On Sep 2, 2019, Tobias Bothwell and others published JILA SrI optical lattice clock with uncertainty of 2. Tobias Bothwell; Colin J. Both students are juniors in the J. Colin J. 1126/sciadv. Both Bothwell and Kennedy are honored with a gold medal for this award, and were cited for. 22, 2021 (GLOBE NEWSWIRE) -- Nearly 2,000 participants, along with thousands of spectators, turned out in Boulder on October 10 for the first-ever Boulderthon ® marathon. If you find something abusive or that does not. It is demonstrated that spin–orbit-coupled fermions can be engineered to occur naturally in a one-dimensional optical lattice clock and to study Bloch oscillations, spin–momentum locking and Van Hove singularities in the transition density of states. ” In fact, this clock is so precise that. Fortier, Physical Review Letters 123. My research interests lie in the theory of quantum simulation, quantum metrology and quantum information in the context of AMO and condensed. Email: tobias. Robinson, Sarah L. Tobias Bothwell, Dhruv Kedar, Eric Oelker. Lett. Colin J. Tobias Bothwell, Colin J. Corrigendum: Correction for stress-induced optical path length changes in a refractometer cell at variable external pressure (2019 Metrologia 56 015001 ) Guido Bartl, Stephanie Glaw, Frank Schmaljohann and René Schödel. Authors: Tobias Bothwell, Dhruv Kedar, Eric Oelker, John M. org Read MoreTobias Bothwell at JILA in Boulder, Colorado, and his colleagues separated hundreds of thousands of strontium atoms into “pancake-shaped” blobs of 30 atoms. Milner W. Tew, Jun Ye, Colin. Kennedy, Eric Oelker, John M. Fasano 1;5, Tara M. bothwell@nist. Tobias Bothwell; Samuel M Brewer; Tara Michele Fortier; We perform absolute measurement of the ²⁷ Al ⁺ single-ion and ⁸⁷ Sr neutral lattice clock frequencies at the National Institute of. IOP Publishing open access policy. Authors: Kyungtae Kim, Alexander Aeppli, Tobias Bothwell, Jun Ye Download a PDF of the paper titled Evaluation of lattice light shift at mid 10$^{-19}$ uncertainty for a shallow lattice Sr optical clock, by Kyungtae Kim and 3 other authorsTobias Bothwell Jun Ye Engineering a Hamiltonian system with tunable interactions provides opportunities to optimize performance for quantum sensing and explore emerging phenomena of many-body. org/abs/2109. Search for more papers by this author. Milner,1,* John M. Robinson1, Eric Oelker1,3, Alexander Staron1, and Jun Ye1,* . , Nat. Clocks operating at optical frequencies have now. 0×10−18. May 25, 2018 - Explore Tobias Bothwell's board "Wedding ideas" on Pinterest. Room: Ballroom 111 A Chair: Wes Campbell, UCLA. Tobias Bothwell. Kennedy,1 Tobias Bothwell,1 Dhruv Kedar,1 Dan G. 2022-10-14 | Journal article. Wei is one of the hardest working and most dedicated people IAlexander Aeppli1†, Anjun Chu1,2†, Tobias Bothwell1†, Colin J. Both students are juniors in the J. Matei ,2 Thomas Legero,2 Uwe Sterr ,2 Fritz Riehle,2 Holly Leopardi,3 Tara M. Nature | Vol 602 | 17 February 2022 | 421. Matei, T. 1103/PhysRevLett. Clocks operating at optical frequencies have. Invited Speakers : Tobias Bothwell, Thomas R Hartke, Aziza Suleymanzade, Hengyun Zhou. With the help of adaptively controlled trap potential, our method reduced the average loading time of a 40 Ca +-27 Al + pair from 26 to 1 min. edu Nature | Vol 602 | 17 February 2022 | 421 Quantum state control has been vital to recent advances in atom– Physicist and study author Tobias Bothwell expressed how these weren't just calculations, but that they were able to witness ticking changes in the clock at a gap that is around a person's hair width. Raman sideband cooling in a 1D lattice is shown to produce clouds with phase space densities of about 0. The researchers use a cloud of ultracold strontium atoms, effectively creating a series of atomic clocks. Edward Marti, Andrei Derevianko, and Jun Ye Phys. Tara Fortier is a group leader in the Time and Frequency Division. 1038/s41566-019-0493-4; edit [2] JILA SrI optical lattice clock with uncertainty of 2. JILA SrI optical lattice clock with uncertainty of 2. They used optical light to trap. bothwell [at] nist. 11033 W Country Dr. ; Swann, William C. Bromley and Jwo-Sy Chen and Jean-Daniel. et al. Engineering a Hamiltonian system with tunable interactions provides opportunities to optimize performance for quantum sensing and explore emerging phenomena of many-body systems. A novel nanofiber technique shows that the evolution of light inside an asymmetric microcavity is engineered by regular orbits and two distinct evolution pathways emerge: regular-chaotic and pure-chaotic channels. However, by probing an optical clock transition with thousands of lattice-confined, ultracold fermionic strontium atoms, we observed density-dependent. For dominating on-site interactions over the tunnel coupling between lattice. Und Jones. Biography. 2022-10-14 | Journal article. Ackerman and James Kevin Schoelz and Tobias Bothwell and Salvador Barraza‐Lopez and Laurent Bellaiche and. Tobias Bothwell. Dynamics of interacting fermions under spin–orbit coupling in an optical lattice clock #10. time, time-interval, and frequency signals, which are based on an ensemble of atomic clocks and frequency. atom-ph] pdf cite claim. Tobias Bothwell1 , Colin J. M. Jezreal Apple. -Recent citations Ultraprecision quantum sensing and measurement based on nonlinear hybrid optomechanical systems. Kennedy and Alexander Aeppli and Dhruv Kedar and John M. EFTF. Kennedy1, Dhruv Kedar1, Peiru He1,2, Ana Maria Rey1,2*, Jun Ye1* Engineering a Hamiltonian system with tunable interactions provides opportunities to optimize performance for quantum sensing and explore emerging phenomena of many-body systems. G. Clocks operating at optical frequencies have. David Hume is a staff physicist in the Ion Storage Group. , arXiv:1906. Robinson and G. Robinson, Tobias Bothwell, Dhruv Kedar, William R. edu | 303-492-2942. Created April 27, 2023, Updated July 3, 2023 HEADQUARTERS 100 [email protected]/s41586-022-05479-2. Robinson, Jun Ye Amongst atomic references under development for the redefinition of the second, strontium has demonstrated several important scientific results, including record instability [1], record atom-atom coherence times [2], and near record accuracy [3]. Robinson, C. 16 in the journal Nature. ORCID record for Uwe Sterr. Measurement of the 27Al+ and 87Sr absolute optical frequencies. et al. Fortier,3 Jeffrey A. Brewer1;3, Sarah L. Tobias Bothwell, Dhruv Kedar, Eric Oelker, John M Robinson, Sarah L Bromley, Weston L Tew, Jun Ye and Colin J Kennedy Open abstract View article , JILA SrI optical lattice clock with uncertainty of PDF , JILA SrI optical lattice clock with uncertainty of Gebre-thesis. Imaging optical frequencies with 100 μHz precision and 1. M. Meet the REUs. I'm ready to subscribe n' save on these beautiful devices. Room: Ballroom 111 A Chair: Wes Campbell, UCLA. 1585. How are we doing?However, the highest reported accuracy for frequency ratio measurements has remained largely unchanged for more than a decade3–5. More information: Tobias Bothwell et al, Resolving the gravitational redshift within a millimeter atomic sample. Louis Blues, and Hartford Whalers, and several AHL teams. We report on the direct measurement of superexchange interactions with ult. D. John M. Tobias Bothwell got the third place in 01:12:38. In this week’s issue, Tobias Bothwell, Jun Ye and their colleagues demonstrate this effect at a sub-millimetre scale. Review for this journal. Bromley (JILA, Boulder), S. Tobias Bothwell : Thursday, June 3, 2021 10:42AM - 10:54AM Live: S03. Tobias Bothwell. Abstract. In the women’s race, Jessica Allen took top honours by finishing the race in 01:19:14 . Invited Speakers : Tobias Bothwell, Thomas R Hartke, Aziza Suleymanzade, Hengyun Zhou. 16, 2020 — A newly-designed atomic clock uses entangled atoms to keep time even more precisely than its state-of-the-art counterparts. Milner, G. . Kyungtae Kim, Alexander G Aeppli, Tobias Bothwell, Colin J Kennedy, John M Robinson, Jun Ye : N01. Colin J Kennedy 1 , Eric Oelker 1 , John M Robinson 1 , Tobias Bothwell 1 , Dhruv Kedar 1 , William R Milner 1 , G Edward Marti 1 2 , Andrei Derevianko 3 , Jun Ye 1. “We haven’t done it between independent clocks yet,” says Tobias Bothwell, the study’s lead author. Related: Tobias Bothwell, Resolving the gravitational redshift in a millimeter-scale atomic sample, Nature (2022). E02 Invited Live Streamed Deborah Jin Award for Outstanding Doctoral Thesis Research in Atomic, Molecular, or Optical Physics Session. Email: tobias. Here we report on the operation of a state-of-the-art 1D strontium optical lattice clock. (a) In the Yb Clock Lab, frequency-doubled light from a 1157-nm cavity stabilized laser (CSL) is steered into resonance with theTobias Bothwell NIST Verified email at nist. G-K1) in the field of absolute gravimetry Z Jiang, V Pálinká , F E Arias et al. The researchers use a cloud of ultracold strontium atoms, effectively creating a series of atomic clocks. This improves upon the. J. Created February 20, 2019, Updated April 11, 2023. Laser cooling followed by optical pumping to the m F = ±9/2 stretched nuclear spin states (where m F is the projection of the total angular momentum F along the quantization axis) produced a two-spin Fermi gas with an initial phase space density of 0. Robinson, Eric Oelker, Alexander Staron, Jun Ye. [3] Bothwell, Tobias, et al. Blackburn, Loralei G. Here we operate a network of optical clocks based on 27Al+ (ref. The author has done significant research in the topic(s): Atomic clock &. " Nature 602. nice one Tobias Bothwell and colleagues! (Jun Ye's lab has so many Sr sources I can't tell if I worked on this particular one, so I won't claim anything in that regard!)Tobias Bothwell [. 22, 2021 (GLOBE NEWSWIRE) -- Nearly 2,000 participants, along with thousands of spectators, turned out in Boulder on October 10 for the first-ever Boulderthon ® marathon. Dhruv Kedar. Home Institution: University of Arkansas. DOI: 10. Tobias Bothwell, Colin J. Eric Oelker. Tobias Bothwell's 23 research works with 1,450 citations and 6,476 reads, including: Evaluation of lattice light shift at mid 10$^{-19}$ uncertainty for a shallow lattice Sr optical. , J. Weston L Bromley. Nature. Do you know Cynthia J Bothwell’s phone number? You can try calling Cynthia’s landline phone at (405) 691-0377 or ring her cell phone at (405) 824-7640 . Precise timekeeping is crucial to many applications, from financial transactions to GPS navigation to interferometry-based astronomy. Lett. colorado. adc9242. I am a postdoctoral research associate working on laser cooling and trapping of YO molecules. Discrimination and Harassment Policy and Procedures. et al. MARQUETTE — The following 6th grade students have been named to the Bothwell Middle School Honor Roll for Semester 2 of the 2020-2021 academic year: Caleb J. Meet the REUs. Dhruv Kedar JILA/University of Colorado Boulder Verified email at colorado. University of Wisconsin–Madison. PHYSICAL REVIEW RESEARCH 2, 033395 (2020) FIG. Abstract: Building scalable quantum systems that demonstrate genuine performance enhancement based on entanglement is a major scientific goal for fields including computing, networking, simulations, and metrology. Child Health and. Marcella Bothwell MD. Robinson,1 Colin J. Holly Leopardi 1,2 3 ∗, Kyle Beloy , Tobias Bothwell4,SamuelM Brewer 1 ,5 2, Sarah L Bromley4 6,Jwo-SyChen7 ,ScottADiddams1,2, Robert J Fasano 1,2, Youssef S Hassan ,DavidBHume1, Dhruv Kedar4, Colin J Kennedy 1,4, David R Leibrandt 2, Andrew D Ludlow1, William F McGrew 1 ,2, William R Milner4, Daniele Nicolodi 8 ,420 | Nature | Vol 602 | 17 February 2022 Article Resolving the gravitational redshift across a millimetre-scale atomic sample Tobias Bothwell1 , Colin J. reference search 90 citations. Sherman,3 Judah Levine,3 Jian Yao,3, yJun Ye,1, zand Eric Oelker1, x 1JILA, NIST and University. JILA, National Institute of Standards and Technology and University of Colorado: Boulder, CO, US. Andrew Ludlow is a physicist and leader of the Neutral Atom Optical Clock Group in the Physical Measurement Laboratory at the National Institute of Standards and Technology in Boulder. Kyungtae Kim, Alexander Aeppli, Tobias Bothwell, and Jun Ye JILA, National Institute of Standards and Technology and University of Colorado Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA (Dated: February 27, 2023) A Wannier-Stark optical lattice clock has demonstrated unprecedented measurement precision forDownload a PDF of the paper titled Resolving the gravitational redshift within a millimeter atomic sample, by Tobias Bothwell and 7 other authors. Jun Ye. 6 1. M John. The researchers use a cloud of ultracold strontium atoms, effectively. C. We report on an improved systematic evaluation of the JILA SrI optical lattice clock, achieving a nearly identical uncertainty compared to the previous strontium record set by the JILA SrII optical lattice. As a member of the Sr1 group I work on pushing the frontiers of accuracy and precision. Riehle, H. Milner,1, John M. Fisikawan NIST lainnya, Tobias Bothwell, mengatakan, proses penghitungan kecepatan waktu berjalan berdasarkan jaraknya dari permukaan Bumi atau besarnya gravitasi yang dialami benda itu bukanlah perhitungan biasa. Overview. expand_more. Kennedy, Eric Oelker, John M. View all public records, address history, phone numbers, email, criminal records & more 100% FREE!ORCID record for David R. I walked in and he was very welcoming and explained all of his beers. BOULDER, Colo. Email: Charles. JILA endorses the six University nodes' policies for ensuring harassment-free environments. For more detailed information regarding the University of Colorado policies, please read the Discrimination and Harassment Policy and Procedures. The researchers responsible for this productive theory-experiment collaboration include graduate students Sarah Bromley, Bihui Zhu, and Tobias Bothwell, research associates Xibo Zhang and Johannes Schachenmayer, former graduate students Mike Bishof and Travis Nicholson, Fellows Ana Maria Rey and Jun Ye, Mikhail Lukin and. 8 ), and measure their frequency ratios with fractional uncertainties at or below 8 × 10. The key advantage of this two-part ratio. Steven Hoekstra at the University of Groningen. 00001: A Wannier-Stark Optical Lattice Clock with Extended Coherence Times Invited Speaker: Tobias Bothwell Tuesday, June 6, 2023Tobias Bothwell is 32 years old and was born on 01/01/1991. Kennedy 1,2, Alex ander Aeppli 1, D hruv Kedar 1, John M. 12238v1 [physics. 11. gov (303) 497-3411 Neutral Atom Optical Clocks Group. Clocks operating at optical frequencies have. Dr. This heralds a new regime of clock. Arno@VCUHealth. A Aeppli, A Chu, T Bothwell, CJ Kennedy, D Kedar, P He, AM Rey, J Ye. " Resolving the gravitational redshift across a millimetre-scale atomic sample ," Nature, Nature, vol. E. Robinson, C. Wei is one of the hardest working and most dedicated people I have worked with. Tobias Bothwell 1,3 5, Dhruv Kedar1,3, Eric Oelker , John M Robinson , Sarah L Bromley 1,4, Weston L Tew 2, Jun Ye and Colin J Kennedy 1 JILA, National Institute of Standards and Technology and. work in the group of Prof. BOULDER, Colo. Regional Anesthesia and Acute Pain Medicine Fellow. Lett. Phys. Here we operate a network of optical clocks based on 27 Al + (ref. Lett. Previous affiliations of Tobias Bothwell include National Institute of Standards and Technology. ; Deschênes, Jean Daniel; Khader, Isaac H. Superconducting simulators are used to investigate dynamical phase transitions, revealing their applications in quantum metrology. Former JILA Ph. 06 tonnes of lunar epiregolith. Milner, G. Resolving the gravitational redshift. Previously, Tobias was a Scientific Researcher (Temporary) at Jila and also held positions at University of Colorado Boulder. 0 × 10-18. Tobias Bothwell recently joined Sr1, and I am sure he will continue Sr1’s tradition of success. Direct comparison of two spin squeezed optical clocks below the quantum projection noise limit JILA physicists have measured Albert Einstein's theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks. DOI: 10. 12238v1 [physics. 125 (2020) 20, 201302 • e-Print: 2008. Robinson 1, Eric Oelker 1,3, Alexander Staron 1, and Jun Ye 1,* Inside Ye's new clock are 100,000 strontium atoms, layered on top of each other like a stack of pancakes, in total about a millimeter high. Kyle's research focuses on advancing the state-of-the-art for atomic clocks, including the ytterbium optical lattice clocks at NIST. Strongly correlated quantum many-body systems have become a major focus of modern science. Sherman,3 Judah Levine ,3 Jian Yao ,3,† Jun Ye ,1,‡ and Eric Oelker 1,§. By submitting a comment you agree to abide by our Terms and Community Guidelines. Bothwell, D. Tew 1, Jun Ye 1, Colin Kennedy 1 - Show less +4 more • Institutions (1) National Institute of Standards and Technology 1Marti's and Kolkowitz's co-authors on the poster were graduate students Sarah Bromley, Tobias Bothwell, and Andrew Koller; group collaborator Daniel Reed from the University of Birmingham; senior research associate Michael Wall; former research associate Xibo Zhang; and Fellows Ana Maria Rey and Jun Ye. Tobias Bothwell 1 , Colin J Kennedy 2 3 , Alexander Aeppli 2 , Dhruv Kedar 2 , John M Robinson 2 , Eric Oelker 2 4 , Alexander Staron 2 , Jun Ye 5 Affiliations 1 JILA, National. By leveraging. By encoding the electronic orbital degree of. DOI: 10. Tobias Bothwell, Jun Ye, Evaluation of Lattice Light Shift at Low Uncertainty for a Shallow Lattice Sr Optical Clock , Physical Review Letters, 130, 11, (2023). 602 (7897), pages 420-424, February. Issue 41 |. The design could help scientists detect dark matter. Bothwell et al. Barber and Matthew L. Kennedy, 1Eric Oelker, John M. Matei, T. 01052. Former JILA Ph. System in consideration. The clock is so precise that when the scientists divided. Tobias Bothwell, Colin J. atom-ph] pdf links DOI cite claim. Tobias Bothwell (JILA, Boulder), Dhruv Kedar (JILA, Boulder) et al. Kennedy,1 Tobias Bothwell,1 Dhruv Kedar,1 Dan G. Ever improving precision and accuracy in atomic clocks are inextricably linked to discovery, with each new decade exploring smaller energy scales. The stability of an optical atomic clock is a critical figure of merit for almost all clock applications. Published in Metrologia 14 June 2019. Former JILA Ph. -The 8th International Comparison of Absolute Gravimeters 2009: the first Key Comparison (CCM. The most accurate and precise measurements in science are underpinned by atomic clocks. Setzer, Megan Ivory, Michael Gehl, Nicholas Karl, Nicholas Boynton, Raymond. Here’s how you knowTuesday, June 6, 2023 2:00PM - 2:30PM: E02. Martin Boyd Current Affiliation: AOSense, Inc. Tobias Bothwell, Dhruv Kedar, Eric Oelker, John M Robinson, Sarah L Bromley, Weston L Tew, Jun Ye and Colin J Kennedy Open abstract View article PDF. Tobias Bothwell ** Physics A Wannier-Stark Optical Lattice Clock With Extended Coherence Times Doctoral 2/17/2022 2/17/2022. pdf 7. PDF | View RecordTobias Bothwell 1, Dhruv Kedar , Eric Oelker1, John M. Research Associate. Rev. S. Research Project: Quantum Computing with Trapped Ions. Tobias Bothwell 1, Dhruv Kedar 1, Eric Oelker 1, John Robinson 1, Sarah L. Source: check_circle. Cesium atoms are laser-cooled to ~300 nK, prepared in the magnetically insensitive m F = 0 state, and launched millimeters upward into free fall [see materials and methods for details (24)]. Irving Dai Institution: Harvard University Major(s): Pure Mathematics, Physics Career Goal: Ph. ONLINE COVER Orb-weaver spider rests at the center of its dew-covered web. I'm currently a 5th-year physics PhD student in Professor Ana Maria Rey’s theory group at University of Colorado Boulder, USA. ] Xiaogang Zhang; Atomic clocks are vital in a wide array of technologies and experiments, including tests of fundamental physics1. Diddams1;5, Robert J.