Keun Hyuk "Ken" Ahns
Research Homepage
Former group members
Linghua Zhu (PhD student 2012-2018, currently
Post-doctoral Research Associate at Virginia Tech after graduation)
Tsezar Seman (PhD student 2007-2012, Post-doctoral Research Associate at Argonne National Laboratory after graduation)
Research area: Theoretical Condensed
Matter Physics
Selected publications
Observation of Majorana-like bound
states in metamaterial-based Kitaev chain analogs
K. Qian, D. J. Apigo, K. Padavić, K. H. Ahn, S. Vishveshwara, and C. Prodan, Phys. Rev. Res. 5 - Letter, L012012 (2023).
(Supplemental material: Fig1g_video,
Fig1i_video,
Fig2a_video,
Fig2b_video,
Fig2c_video)
Observation
of flat frequency bands at open edges and antiphase boundary seams in
topological mechanical metamaterials
K. Qian, L. Zhu, K. H. Ahn, and C. Prodan, Phys. Rev. Lett. 125, 225501 (2020).
(Supplemental material: Text, Fig4a_video, Fig4b_video, Fig4c_video, Fig4d_video, Fig5b_video)
Flat energy bands within antiphase
and twin boundaries and at open edges in topological materials
L. Zhu,
E. Prodan, and K. H. Ahn, Phys. Rev. B 99 – Rapid Commun., 041117(R) (2019).
The cover that the
journal Nature didnt choose, but
should have chosen ...
Selected invited
presentations:
Flat
Frequency Bands and Majorana-like Bound States in Topological Mechanical
Metamaterials
Complex
Mechanical Metamaterials Workshop, University of Michigan Ann Arbor, Ann Arbor,
Michigan, July 10-14, 2023
Role of Complex Energy Landscapes and
Strains in Multiscale Inhomogeneities in Perovskite Manganites
The Minerals, Metals & Materials Society (TMS)
Annual Meeting, Orlando, Florida, March 2015
Model for
strain-induced multiphase coexistence in colossal magnetoresistive
perovskite manganites
50th
Magnetism and Magnetic Materials Conference, San Jose, California, October 2005
Strain-induced
metal-insulator phase coexistence in perovskite manganites
2005 American Physical Society March Meeting, Los
Angeles, California, March 2005
Other
links:
D. Monroe, Physical review Focus, April 26, 2005