Presentations
Keun Hyuk
"Ken" Ahn
33. 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
32. 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
31. K-edge RIXS vs Dynamic structure
factor
Workshop
for Computational Materials and Chemical Science Network, Louisiana State
University, Baton Rouge, LA, November 2014.
30. Strain-induced metal-insulator coexistence
in perovskite manganites
Rutgers University New Brunswick,
Piscataway, New Jersey, April 2012.
29. An approach to interpret the spectral weight of transition metal K-edge
resonant inelastic x-ray scattering
Columbia University, New York, New York,
October 2010
28. Model for quasiparticle relaxation dynamics
in normal metals and heavy fermion materials observed by ultra-fast optics
Korea Advanced Institute of Science and
Technology, Dae-Jeon, South Korea, December 2006
27. Model for strain-induced multiphase
coexistence in colossal magnetoresistive perovskite manganites
Korean Physical Society Meeting, Pyeong-Chang,
South Korea, April 2006
26. Model
for strain-induced metal-insulator phase coexistence in perovskite manganites
Mississippi State University,
Starkville, Mississippi, April 2006
25. Model
for strain-induced multiphase coexistence in colossal magnetoresistive
perovskite manganites
Konkuk University, Seoul, South
Korea, April 2006
24. An approach to interpret the spectral weight
of transiton metal K-edge resonant inelastic x-ray
scattering
Seoul National University, Seoul,
South Korea, April 2006
23. An approach to interpret the spectral weight
of transiton metal K-edge resonant inelastic x-ray
scattering
Korean Institute for Advanced
Study, Seoul, South Korea, March 2006
22. Model
for strain-induced multiphase coexistence in colossal magnetoresistive
perovskite manganites
New Jersey Institute of
Technology, Newark, New Jersey,
February 2006
21. Model
for strain-induced multiphase coexistence in colossal magnetoresistive
perovskite manganites
University of Florida, Gainesville, February 2006
20. Model for strain-induced multiphase
coexistence in colossal magnetoresistive
perovskite manganites
50th Magnetism and Magnetic Materials Conference, San Jose,
California, October 2005
19. Intrinsic metal-insulator phase coexistence in perovskite manganites
Northern Illinois University, DeKalb, October 2005
18. Model for quasiparticle relaxation dynamics in
normal metals and heavy fermion materials observed by ultra-fast optics
University of Toronto, Toronto, Canada, August 2005
17. Model for multiphase coexistence in perovskite
manganites
University of Toronto, Toronto, Canada, August 2005
16. Strain-induced metal-insulator phase
coexistence in perovskite manganites
Advanced Photon Source, Argonne National Laboratory, Argonne, April 2005
15. Strain-induced metal-insulator phase
coexistence in perovskite manganites
2005 APS March Meeting, Los Angeles, California, March 2005
14. Strain-induced metal-insulator phase
coexistence in perovskite manganites
Institute of Physics, Chinese Academy of Science, Beijing, China, December 2004
13. Strain-induced metal-insulator phase
coexistence in perovskite manganites
Qufu Normal University, Qufu, China, November 2004
12. Strain-induced metal-insulator phase
coexistence in perovskite manganites
Shandong University, Jinan, China, November 2004
11. Theory of relaxation dynamics in normal metals
and heavy fermion compounds
Sung-Kyun-Kwan University, Su-Won, South Korea, May 2004
10. Strain-induced metal-insulator phase
coexistence in perovskite manganites
2004 APCTP Focus Program of the Strongly Correlated Electron System, Asian Pacific Center for Theoretical Physics, Po-Hang, South Korea, May 2004
9. Model for strain-induced metal-insulator phase coexistence in perovskite manganites
Seoul National University, Seoul, South Korea, May 2004
8. Heterogeneities in CMR perovskite manganites
Korea Research Institute of Standards and Science, Dae-Jeon,
South Korea, April 2004
7. Model for strain-induced
metal-insulator phase coexistence in perovskite manganites
Korea Basic Science Research Institute, Dae-Jeon,
South Korea, April 2004
6. Self-organized nano and micrometer
scale heterogeneities in perovskite manganites
Dynamic Energy Landscapes and Functional Systems, Santa Fe, New Mexico, April 2004
5.
Bond-bending constraints and electronic inhomogeneities in oxides (by A. R.
Bishop)
2004 APS March Meeting, Montreal,
Canada, March 2004
4. New language for nanoscale lattice
distortions
Colloquium at Department of Physics in New Mexico State University, Las Cruces, New Mexico, August 2002
3. Effects of strains on magnetism in
perovskite manganite thin films
National High Magnetic Field Laboratory, Los Alamos, New Mexico, July 2001
2. Magnetic, optical and elastic
properties of perovskite manganites
Oak Ridge National Laboratory, Oak Ridge, Tennessee, March 2000
1. Charge and orbital ordering in
perovskite manganites
Los Alamos
National Laboratory, Los Alamos, New Mexico, February 2000
33. Model of two-dimensional topological insulators
with Su-Schrieffer-Heeger
electron-lattice coupling
2018 APS March Meeting, Los Angeles, California, March 2018 (by L. Zhu)
32. Momentum dependence in K-edge resonant
inelastic x-ray scattering and its application to screening dynamics in
CE-phase La0.5Sr1.5MnO4
2017 American Physical Society Mid-Atlantic Section Meeting, Newark, New Jersey, November 2017
31. Photoinduced Nonequilibrium Dynamics in Charge Density Wave Materials
2017 American Physical Society Mid-Atlantic Section Meeting, Newark, New Jersey, November 2017 (by L. Zhu)
30. Photo-induced Non-equilibrium Dynamics in
Charge Density Wave Materials
Gordon Research Conference, Waterville Valley, New Hampshire, June 2017 (poster)
29. Simulations of Photo-induced Non-Equilibrium
Dynamics in Charge Density Wave Materials
2017 APS March Meeting, New Orleans, Louisiana, March 2017 (by L. Zhu)
28. Theory of K-edge Resonant Inelastic X-ray Scattering and Its Application to Strongly Momentum-Dependent Screening in La0.5Sr1.5MnO4
Symposium on Quantum Materials Synthesis: Grand Challanges and Opportunities, August 2016 (poster)
27. Theory of K-edge resonant inelastic x-ray scattering & Its application to strongly momentum-dependent screening dynamics in La0.5Sr1.5MnO4
Gordon Research Conference, South Hadley, Massachusetts, June 2016 (poster)
26. Temperature Dependent Properties of E-Phase Perovskite ScMnO 3
2014 American Physical Society March Meeting, Denver, CO, March 2014 (by H. Chen)
25. Theoretical studies on the stability of metal-insulator coexistence in the absence of defects in perovskite manganites
2014 American Physical Society March Meeting, Denver, CO, March 2014
24. Effects of rare earth ion size on the
stability of the coherent Jahn-Teller distortions in undoped perovskite
manganites
2013 APS March Meeting, Baltimore, Maryland, March 2013
23. Theory of K-edge Resonant Inelastic X-ray Scattering for Perovskite Manganites (by T. F. Seman)
2013 APS March Meeting, Baltimore, Maryland, March 2013
22. Theory of K-edge Resonant Inelastic X-ray Scattering for Perovskite Manganites (by T. F. Seman)
2012 APS March Meeting, Boston, Massachusetts, March 2012
21. Theoretical study of thermal vs.
non-thermal relaxation dynamics in normal metals
Gordon research Conference on
Ultrafast Phenomena in Cooperative Systems, Il Ciocco, Lucca, Italy, February,
2008
20. Mode-based atomic-scale description of dynamic
lattice properties
2007 APS March Meeting, Denver,
Colorado, March 2007
19. Electronic properties of structural twin and
antiphase boundaries in materials with strong electron-lattice couplings
2006 APS March Meeting,
Baltimore, Maryland, March 2006
18. Dynamics and spectral weights in
transition-metal K-edge resonant inelastic X-ray scattering
2005 APS March Meeting, Los Angeles, California, March 2005
17. Model for
multiphase coexistence in perovskite manganites
2004 APS March Meeting, Montreal, Canada, March 2004
16. Atomic scale description of structural domain
walls and relevance to CMR manganites
2003 APS March Meeting, Austin, Texas, March 2003
15. From atomic scale distortions to continuum
elasticity
Gordon Research Conference on Correlated Electron Systems, Colby College, Waterville, Maine, June 2002
14. Model of elastic energy connecting unit cell
distortion and continuum elasticity
2002 APS March Meeting, Indianapolis, Indiana, March 2002
13. Microscopic theory of elasticity and its
application to the charge and orbital ordering in perovskite manganites
Local and Nanoscale Structure in Complex Systems, Santa Fe, New Mexico, January 2002
12. Effects of microstructure on dielectric
properties of Ba0.6Sr0.4TiO3 films
2001 MRS Fall Meeting, Boston, Massachusetts, November 2001.
11. Effects of in-plane strain on magnetism in
LaMnO3 thin films
46th Annual Conference on Magnetism and Magnetic Materials, Seattle, Washington, November 2001
10. Effects of in-plane strain on magnetism in
LaMnO3 thin films
Physical Phenomena at High Magnetic Fields – IV, Santa Fe, New Mexico, October 2001
9. Effects of in-plane strain on orbital ordering
and magnetism in LaMnO3
thin film
International Conference on Strongly Correlated Electron Systems 2001, University of Michigan, Ann Arbor, Michigan, August 2001
8. Charge
and orbital ordering in perovskite manganites
2001 APS March Meeting, Seattle, Washington, March 2001
7. Effects
of uniaxial strain in LaMnO3
2000 APS March Meeting, Minneapolis, Minnesota, March 2000
6. Optical and magnetic property of LaMnO3
44th Annual Conference on Magnetism and Magnetic Materials, San Jose, California, November 1999
5. Anisotropy and temperature dependence of the optical conductivity in LaMnO3
Centennial APS Meeting, Atlanta, Georgia, March 1999
4. Effects
of uniaxial strain in LaMnO3
43rd Annual Conference on Magnetism and Magnetic Materials, Miami, Florida, November 1998
3. Anisotropy
and temperature dependence of the optical conductivity in LaMnO3
Physics of Manganites Workshop, Michigan State University, East Lansing, Michigan, July 1998
2. Interplay
of charge and orbital ordering in manganese perovskites
1998 APS March Meeting, Los Angeles, California, March 1998
1. Effects of Fe doping in the colossal magnetoresistive La1-xCaxMnO3
41st Annual Conference on Magnetism and Magnetic Materials, Atlanta, Georgia, November 1996