Keun Hyuk Ahn
(K. Ahn, K. H. Ahn, Ken Ahn, Keun Hyuk Ahn)
Associate Professor, Physics
480 Tiernan Hall (TIER)
Education
Ph.D.
; Johns Hopkins University
; Physics
; 2000
M.S. ; Seoul National University, South Korea ; Physics ; 1994
B.S. ; Seoul National University, South Korea ; ; 1992
M.S. ; Seoul National University, South Korea ; Physics ; 1994
B.S. ; Seoul National University, South Korea ; ; 1992
Website
2025 Fall Courses
MTSE 690 - DIRECTED STUDY IN MTSE
MTSE 701C - MASTER'S THESIS
MTSE 725 - INDEPENDENT STUDY I
MTSE 790A - DOCTORAL DISSERTATION
PHYS 791 - DOCTORAL SEMINAR
MTSE 700B - MASTER'S PROJECT
MTSE 726 - INDEPENDENT STUDY II
PHYS 701B - MASTER'S THESIS
PHYS 725 - INDEPENDENT STUDY I
MTSE 701B - MASTER'S THESIS
PHYS 700B - MASTER'S PROJECT
MTSE 792B - PRE-DOCTORAL RESEARCH
PHYS 102 - GENERAL PHYSICS I
PHYS 490 - INDEPENDENT STUDY
PHYS 491 - INDEPENDENT STUDY II
PHYS 726 - INDEPENDENT STUDY II
PHYS 790A - DOCT DISSERTATION & RES
PHYS 701C - MASTER'S THESIS
PHYS 792 - PRE-DOCTORAL RESEARCH
MTSE 701C - MASTER'S THESIS
MTSE 725 - INDEPENDENT STUDY I
MTSE 790A - DOCTORAL DISSERTATION
PHYS 791 - DOCTORAL SEMINAR
MTSE 700B - MASTER'S PROJECT
MTSE 726 - INDEPENDENT STUDY II
PHYS 701B - MASTER'S THESIS
PHYS 725 - INDEPENDENT STUDY I
MTSE 701B - MASTER'S THESIS
PHYS 700B - MASTER'S PROJECT
MTSE 792B - PRE-DOCTORAL RESEARCH
PHYS 102 - GENERAL PHYSICS I
PHYS 490 - INDEPENDENT STUDY
PHYS 491 - INDEPENDENT STUDY II
PHYS 726 - INDEPENDENT STUDY II
PHYS 790A - DOCT DISSERTATION & RES
PHYS 701C - MASTER'S THESIS
PHYS 792 - PRE-DOCTORAL RESEARCH
Teaching Interests
Introductory Physics courses (Phys 102), Graduate level Solis State Physics (Phys 661)
Past Courses
PHYS 102: GENERAL PHYSICS
PHYS 102: GENERAL PHYSICS I
PHYS 105: PHYSICS A
PHYS 335: INTRO THERMODYNAMICS
PHYS 433: ELECTROMAGNETISM II
PHYS 661: SOLID-STATE PHYSICS
PHYS 791: DOCTORAL SEMINAR
PHYS 102: GENERAL PHYSICS I
PHYS 105: PHYSICS A
PHYS 335: INTRO THERMODYNAMICS
PHYS 433: ELECTROMAGNETISM II
PHYS 661: SOLID-STATE PHYSICS
PHYS 791: DOCTORAL SEMINAR
Research Interests
Theoretical and Computational Condensed Matter Physics
Journal Article
Kai Qian, David Apigo, Karmela Padavic, Keun Hyuk Ahn, Smitha Vishveshwara, Camelia Prodan.
2023. "Observation of Majorana-like bound states in metamaterial-based Kitaev chain analogs."
Physical Review Research - Letter/American Physical Society , vol. 5 , pp. L012012.
Kai Qian, Linghua Zhu, Keun Hyuk Ahn, Camelia Prodan. 2020. "Observation of flat frequency bands at open edges and antiphase boundary seams in topological mechanical metamaterials ." Phys Rev Lett , vol. 125 , pp. 225501.
Linghua Zhu, Emil Prodan, Keun Hyuk Ahn. 2019. "Flat energy bands within antiphase and twin boundaries and at open edges in topological materials." PHYSICAL REVIEW B-Rapid Communications/American Physical Society , vol. 99 , pp. 041117(R).
Linghua Zhu, Tsezar Seman, Michel van Veenendaal, Keun Hyuk Ahn. 2018. " Photoinduced Nonequilibrium Dynamics in Charge Ordered Materials." Journal of Applied Physics , vol. 123 , pp. 115112.
T. Wu, H. Chen, P. Gao, T. Yu, Z. Chen, Z. Liu, Keun Hyuk Ahn, X. Wang, S.-W. Cheong, Trevor A. Tyson. 2016. "Pressure dependent structural changes and predicted electrical polarization in perovskite RMnO3." J. Phys.: Condens. Matter , vol. 28 , pp. 056005.
Kai Qian, Linghua Zhu, Keun Hyuk Ahn, Camelia Prodan. 2020. "Observation of flat frequency bands at open edges and antiphase boundary seams in topological mechanical metamaterials ." Phys Rev Lett , vol. 125 , pp. 225501.
Linghua Zhu, Emil Prodan, Keun Hyuk Ahn. 2019. "Flat energy bands within antiphase and twin boundaries and at open edges in topological materials." PHYSICAL REVIEW B-Rapid Communications/American Physical Society , vol. 99 , pp. 041117(R).
Linghua Zhu, Tsezar Seman, Michel van Veenendaal, Keun Hyuk Ahn. 2018. " Photoinduced Nonequilibrium Dynamics in Charge Ordered Materials." Journal of Applied Physics , vol. 123 , pp. 115112.
T. Wu, H. Chen, P. Gao, T. Yu, Z. Chen, Z. Liu, Keun Hyuk Ahn, X. Wang, S.-W. Cheong, Trevor A. Tyson. 2016. "Pressure dependent structural changes and predicted electrical polarization in perovskite RMnO3." J. Phys.: Condens. Matter , vol. 28 , pp. 056005.
SHOW MORE
Conference Abstract
"Flat Frequency Bands and Majorana-like Bound States in Topological Mechanical Metamaterials"
July (3rd Quarter/Summer), 2023.
"Observation of Phase Controllable Majorana-like Bound States in Metamaterial-based Kitaev Chain Analogues"
Bulletin of the American Physical Society, March, 2022.
July (3rd Quarter/Summer), 2023.
"Observation of Phase Controllable Majorana-like Bound States in Metamaterial-based Kitaev Chain Analogues"
Bulletin of the American Physical Society, March, 2022.
Conference Proceeding
"(INVITED TALK, about 4,000 attendees for conference) Role of Complex Energy Landscapes and Strains in Multiscale Inhomogeneities in Perovskite Manganites "
TMS 2015 Annual Meeting Supplemental Proceedings , March, 2015.
"Control and operation of the 1.6 m New Solar Telescope in Big Bear"
August, 2014.
"Reverse resistance switching in polycrystalline Nb2O5 films "
Thin Solid Films/ Elsevier, August, 2010.
TMS 2015 Annual Meeting Supplemental Proceedings , March, 2015.
"Control and operation of the 1.6 m New Solar Telescope in Big Bear"
August, 2014.
"Reverse resistance switching in polycrystalline Nb2O5 films "
Thin Solid Films/ Elsevier, August, 2010.
Book
A. Anđić, J. Chae, H. Park, H. Yang, Keun Hyuk Ahn, Wenda Cao, Y. D. Park.
"Connection between chromospheric events and photospheric dynamics."
55-71 pp. 2015. ISBN 9783319121239.
Magazine/Trade Publication
"Self-Assembled Nano-Checkerboard Thin Films Studied by Reciprocal Space Mapping at CHESS"
CHESS News Magazine 2009, December, 2009.
CHESS News Magazine 2009, December, 2009.