PUBLICATIONS  (list in pdf (2 pages))

20. V. Brouet, W. L. Yang, X. J. Zhou, H. J. Choi, S. G. Louie, M. L. Cohen, A. Goldoni, F. Parmigiani, Z. Hussain, Z.-X. Shen, "Orientation-dependent C₆₀ electronic structures revealed by angle-resolved photoemission", Physical Review Letters 93, 197601 (2004).

 

19. M. Ishigami, H. J. Choi, S. Aloni, S. G. Louie, M. L. Cohen, A. Zettl, "Identifying defects in nanoscale materials", Physical Review Letters 93, 196803 (2004).

 

18. H. J. Choi, D. Roundy, H. Sun, M. L. Cohen, S. G. Louie, "Reply to "Comment on 'First-principles calculation of the superconducting transition in MgB₂ within the anisotropic Eliashberg formalism' " ", Physical Review B 69, 056502(2004).

 

17. W. L. Yang, V. Brouet, X. J. Zhou, H. J. Choi, S. G. Louie, M. L. Cohen, S. A. Kellar, P. V. Bogdanov, A. Lanzara, A. Goldoni, F. Parmigiani, Z. Hussain, Z.-X. Shen, “Band structure and Fermi surface of electron-doped C₆₀ monolayers”, Science 300, 303-307 (2003).

 

16. H. J. Choi, M. L. Cohen, S. G. Louie, “Anisotropic Eliashberg theory of MgB₂: Tc, isotope effects, superconducting energy gaps, quasiparticles, and specific heat”, Physica C 385, 66-74 (2003) (invited paper for special issue on MgB₂).

 

15. H. J. Choi, D. Roundy, H. Sun, M. L. Cohen, S. G. Louie, “The origin of the anomalous superconducting properties of MgB₂”, Nature 418, 758-760 (2002).

 

14. H. J. Choi, D. Roundy, H. Sun, M. L. Cohen, S. G. Louie, “First-principles calculation of the superconducting transition in MgB₂ within the anisotropic Eliashberg formalism”, Physical Review B 66, 020513-1 - 020513-4 (2002).

 

13. Y.-G. Yoon, M. S. C. Mazzoni, H. J. Choi, J. Ihm, S. G. Louie, “Structural deformation and intertube conductance of crossed carbon nanotube junctions”, Physical Review Letters 86, 688-691 (2001).

 

12. M. S. Fuhrer, J. Nygard, L. Shih, M. Forero, Y.-G. Yoon, M. S. C. Mazzoni, H. J. Choi, J. Ihm, S. G. Louie, A. Zettl, P. L. McEuen, “Crossed nanotube junctions”, Science 288, 494-497 (2000).

 

11. H. J. Choi, J. Ihm, S. G. Louie, M. L. Cohen, “Defects, quasi-bound states, and quantum conductance in metallic carbon nanotubes”, Physical Review Letters 84, 2917-2920 (2000).

 

10. H. J. Choi, J. Ihm, Y.-G. Yoon, S. G. Louie, “Possible explanation for the conductance of a single quantum unit in metallic carbon nanotubes”, Physical Review B 60, R14009-14011 (1999).

 

9. P. Delaney, H. J. Choi, J. Ihm, S. G. Louie, M. L. Cohen, “Broken symmetry and pseudogaps in ropes of carbon nanotubes”, Physical Review B 60, 7899-7904 (1999).

 

8. H. J. Choi, J. Ihm, “Exact solutions to the tight-binding model for the conductance of carbon nanotubes”, Solid State Communications 111, 385-390 (1999).

 

7. H. J. Choi, J. Ihm, “Ab initio pseudopotential method for the calculation of conductance in quantum wires”, Physical Review B 59, 2267-2275 (1999).

 

6. P. Delaney, H. J. Choi, J. Ihm, S. G. Louie, M. L. Cohen, “Broken symmetry and pseudogaps in ropes of carbon nanotubes”, Nature 391, 466-468 (1998).

 

5. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hohng, Y. H. Yee, W. S. Kim, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, K. N. Kang, “Percolation of carriers through low potential channels in thick Al_xGa_1-xAs (x < 0.35) barriers”, Physical Review B 54, 14580-14588 (1996).

 

4. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hong, Y. H. Yee, D. S. Yee, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, K. N. Kang, “Thick Al_xGa_1-xAs - an intrinsically percolating barrier owing to its microscopic structural inhomogeneity”, Applied Physics Letters 69, 2513-2515 (1996).

 

3. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, S. C. Hong, Y. H. Yee, W. S. Kim, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, K. N. Kang, “Anomalous real-space charge-transfer through thick barriers in GaAs/Al_xGa_1-X as a symmetrical double- quantum wells - Al_xGa_1-xAs as a percolating barrier”, Solid State Communications 100, 231-235 (1996).

 

2. D. S. Kim, H. S. Ko, Y. S. Lim, Y. M. Kim, J. S. Lee, S. J. Rhee, W. S. Kim, S. C. Hong, Y. H. Yee, J. S. Khim, J. M. Jung, S. Huhr, J. H. Lee, J. S. Chang, B. D. Choe, J. C. Woo, P. H. Song, H. J. Choi, S. H. Jhi, J. Ihm, E. J. Shin, D. Kim, D. H. Woo, K. N. Kang, J. J. Song, “Going beyond the mean-field approximations of alloys and alloy superlattices - a few puzzles solved”, Journal of the Optical society of America B-Optical Physics 13, 1210-1223 (1996).

 

1. D. S. Kim, H. S. Ko, Y. M. Kim, S. J. Rhee, W. S. Kim, J. C. Woo, H. J. Choi, J. Ihm, D. H. Woo, K. N. Kang, “Anomalously large Stokes and anti-Stokes real-space charge-transfer between quantum-wells separated by thick alloy barriers - beyond the mean-field approach”, Institute of Physics Conference Series 145, 855-860 (1996). [abstract]