JOONSEOK HUR
PhD in Physics, MIT
Postdoc in Jun Ye Group, JILA
Google Scholar, jhur_at_jila.colorado.edu
RESEARCH INTEREST
Atomic, molecular, and optical (AMO) physics, optical lattice atomic clocks, ultracold trapped ions, precision spectroscopy, Standard-Model tests, search for New Physics
RESEARCH HIGHTLIGHTS
Paper: Evidence for Nonlinear Isotope Shift in Yb+ Search for New Boson -- Physical Review Letters 125
Related articles:
Hints of Dark Bosons -- Physics Magazine
Possibility of Dark Bosons Entices Physicists -- Scientific American
Researchers observe what could be the first hints of dark bosons -- Phys.org
Have dark bosons been spotted in ytterbium isotopes? -- physicsworld
'표준모형' 확장할 새 힘 발견했나 -- Donga Science (in Korean)
Sporen van donker boson gezien bij element ytterbium? -- NewSicentist (in Dutch)
... and more!
Proud of being threaded in Reddit🤣
Update: Violation of linearity in King-plot has been confirmed (240σ), with the evidence of "two-source" nonlinearity (4.3σ)!
Paper: Evidence of Two-Source King Plot Nonlinearity in Spectroscopic Search for New Boson -- Physical Review Letter
Related article: Precision Nuclear Probes for New Physics -- Physics Magazine
PUBLICATIONS
Joonseok Hur*, Diana P. L. Aude Craik*, Ian Counts*, Eugene Knyazev, Luke Caldwell, Calvin Leung, Swadha Pandey, Julian C. Berengut, Amy Geddes, Witold Nazarewicz, Paul-Gerhard Reinhard, Akio Kawasaki, Honggi Jeon, Wonho Jhe, Vladan Vuletić, Evidence of Two-Source King Plot Nonlinearity in Spectroscopic Search for New Boson, Phys. Rev. Lett. 128, 163201 (2022) * equal contribution
Featured in Physics: https://physics.aps.org/articles/v15/108
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, Evidence for Nonlinear Isotope Shift in Yb+ Search for New Boson, Phys. Rev. Lett. 125, 123002 (2020) * equal contribution
Editors' Suggestion
Featured in Physics: https://physics.aps.org/articles/v13/s115
Ian Counts, Dorian Gangloff, Alexei Bylinskii, Joonseok Hur, Rajibul Islam, and Vladan Vuletić, Multislip Friction with a Single Ion, Phys. Rev. Lett. 119, 043601 (2017)
PRESENTATIONS
Invited talk: Joonseok Hur, Diana P. L. Aude Craik, Eugene Knyazev, Ian Counts, Luke Caldwell, Calvin Leung, Julian C. Berengut, Amy Geddes, Witold Nazarewicz, Paul-Gerhard Reinhard, Akio Kawasaki, Honggi Jeon, Wonho Jhe, and Vladan Vuletić, Probing new physics with isotope-shift spectroscopy of trapped ions, 817. WE-Heraeus-Seminar: Precision Atomic Physics Experiments to Probe for New Physics, Bad Honnef, Germany, September 2021.
Invited talk: Joonseok Hur, Ian Counts, Diana P. L. Aude Craik, Eugene Knyazev, Honggi Jeon, Julian C. Berengut, Amy Geddes, Wonho Jhe, and Vladan Vuletić, Search for new physics using isotope-shift spectroscopy with trapped ions, APS Division of Atomic, Molecular and Optical Physics (DAMOP), June 2021.
Joonseok Hur, Ian Counts, Calvin Leung, Honggi Jeon, Wonho Jhe, and Vladan Vuletić, Probing new bosons via isotope shift spectroscopy of Yb, 2nd North American Conference on Trapped Ions, July 2019. Oral & poster presentation.
EDUCATION
2015 - 2022 Ph.D. in Physics, Massachusetts Institute of Technology, USA. Thesis supervisor Prof. Vladan Vuletić
Thesis: Probing New Physics with Spectroscopy of Trapped Ions (via DSpace@MIT)
2009 - 2015 B.S. in Physics, summa cum laude, Korea Advanced Institute of Science and Technology (KAIST), South Korea
HONORS & AWARDS
Elected attendee as Young Scientist at 73rd Lindau Nobel Laureate Meeting
Nominated by Korea Foundation of Advanced Study (KFAS), supported by Prof. Vladan Vuletić and Prof. Jun Ye
Nominee of the 2024 Deborah Jin Award for Outstanding Doctoral Thesis Research in Atomic, Molecular, or Optical Physics
Nominated by Prof. Vladan Vuletić, seconded by Prof. Witold Nazarewicz, Prof. Wonho Jhe, and Prof. Roee Ozeri
Doctoral Study Abroad Program (scholarship), Korea Foundation for Advanced Studies. 2015 - 2020
Old works (for my own reference)
Joonseok Hur, Kyoohyun Kim, SangYun Lee, HyunJoo Park, and YongKeun Park, Melittin-induced alterations in morphology and deformability of human red blood cells using quantitative phase imaging techniques, Scientific Report 7, 9306 (2017)
Joonseok Hur, HyunJoo Park, SangYoon Lee, and YongKeun Park, 3D optical study of melittin associated red blood cells using a common-path diffraction optical tomography. SPIE Photonic West BiOS Conference 2016
Suk-Min Ko*, Joonseok Hur*, Chulwon Lee, Isnaeni, Su-Hyun Gong, MinKwan Kim, and Yong-Hoon Cho, Hexagonal GaN nanorod-based photonic crystal slab as simultaneous yellow broadband reflector and blue emitter for phosphor-conversion white light emitting devices, Scientific Report 10, 358 (2020) * equal contribution