Schmitt, F., Lee, W. S., Meevasana, W., Motoyama, E., Greven, M., ...
Samples of Nd(2-x)Ce(x)CuO(4), an electron-doped high temperature superconducting cuprate (HTSC), near optimal doping at x = 0.155 were measured via angle resolved photoemission (ARPES). We report a...
High-energy anomaly dichotomy in electron- and hole-doped high temperature superconductors (2008)
Moritz, B., Schmitt, F., Meevasana, W., Johnston, S., Motoyama, E. M., Greven, M., ...
New results are presented from angle-resolved photoemission spectroscopy on the electron-doped cuprate Nd_1.83Ce_0.17CuO_4 that show a high energy anomaly in the dispersion around 500-600 meV,...
Van Heumen, E., Muhlethaler, E., Kuzmenko, A. B., Eisaki, H., Greven, M., ...
We take advantage of the connection between the free carrier optical conductivity and the glue function in the normal state, to reconstruct from the infrared optical conductivity the glue-spectrum of...
Lee, W. S., Meevasana, W., Johnston, S., Lu, D. H., Vishik, I. M., Moore, R. G., ...
The temperature dependent evolution of the renormalization effect in optimally-doped Bi2212 along the nodal direction has been studied via angle-resolved photoemission spectroscopy. Fine structure is...
Fermi surface and van Hove singularities in the itinerant metamagnet Sr3Ru2O7 (2008)
Tamai, A., Allan, M. P., Mercure, J. F., Meevasana, W., Dunkel, R., Lu, D. H., ...
The low-energy electronic structure of the itinerant metamagnet Sr3Ru2O7 is investigated by angle resolved photoemission and density functional calculations. We find well-defined quasiparticle bands...
Meevasana, W., Baumberger, F., Tanaka, K., Schmitt, F., Dunkel, W. R., Lu, D. H., ...
Recently, angle-resolved photoemission spectroscopy (ARPES) has revealed a dispersion anomaly at high binding energy near 0.3-0.5eV in various families of the high-temperature superconductors. For...
Angle-resolved photoemission studies of lattice polaron formation in the cuprate Ca2CuO2Cl2 (2007)
Shen, K. M., Ronning, F., Meevasana, W., Lu, D. H., Ingle, N. J. C., Baumberger, F., ...
To elucidate the nature of the single-particle excitations in the undoped parent cuprates, we have performed a detailed study of Ca2CuO2Cl2 using photoemission spectroscopy. The photoemission...
The hierarchy of multiple many-body interaction scales in high-temperature superconductors (2006)
Meevasana, W., Zhou, X. J., Sahrakorpi, S., Lee, W. S., Yang, W. L., Tanaka, K., ...
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energies of up to a few...
Meevasana, W., Devereaux, T. P., Nagaosa, N., Zaanen, J.
In our recent paper we presented empirical evidences suggesting that electrons in cuprate superconductors are strongly coupled to unscreened c-axis polar phonons. In the overdoped regime the c-axis...
Study of HgBa$_2$CuO$_{4+\delta}$ by Angle-Resolved Photoemission Spectroscopy (2006)
Lee, W. S., Yoshida, T., Meevasana, W., Shen, K. M., Lu, D. H., Yang, W. L., ...
We present the first angle-resolved photoemission measurement on the single-layer Hg-based cuprate, HgBa$_2$CuO$_{4+\delta}$ (Hg1201). A quasi-particle peak in the spectrum and a kink in the band...
Fermi surface and quasiparticle excitations of Sr$_{2}$RhO$_{4}$ (2006)
Baumberger, F., Ingle, N. J. C., Meevasana, W., Shen, K. M., Lu, D. H., Perry, R. S., ...
The electronic structure of the layered 4$d$ transition metal oxide Sr$_{2}$RhO$_{4}$ is investigated by angle resolved photoemission. We find well-defined quasiparticle excitations with a highly...
Meevasana, W., Ingle, N. J. C., Lu, D. H., Shi, J. R., Baumberger, F., Shen, K. M., ...
A recent highlight in the study of high-Tc superconductors is the observation of band renormalization / self-energy effects on the quasiparticles. This is seen in the form of kinks in the...
Ingle, N. J. C., Shen, K. M., Baumberger, F., Meevasana, W., Lu, D. H., Shen, Z. X., ...
ARPES spectra hold a wealth of information about the many-body interactions in a correlated material. However, the quantitative analysis of ARPES spectra to extract the various coupling parameters in...
Shen, K. M., Ronning, F., Lu, D. H., Lee, W. S., Ingle, N. J. C., Meevasana, W., ...
The evolution of Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$ from Mott insulator to superconductor was studied using angle-resolved photoemission spectroscopy. By measuring both the excitations near the...