K. McElroy

Imaging the impact on cuprate superconductivity of varying the inter-atomic distances within individual crystal unit-cells (2008)

Slezak, J. A., Lee, Jinho, Wang, M., McElroy, K., Fujita, K., Andersen, B. M., ...

Many theoretical models of high temperature superconductivity focus only on the doping dependence of the CuO2 plane electronic structure. But such models are manifestly insufficient to explain the...

How Cooper pairs vanish approaching the Mott insulator in Bi2Sr2CaCu2O8+d (2008)

Kohsaka, Y., Taylor, C., Wahl, P., Schmidt, A., Lee, Jhinhwan, Fujita, K., ...

The antiferromagnetic ground state of copper oxide Mott insulators is achieved by localizing an electron at each copper atom in real space (r-space). Removing a small fraction of these electrons...

Evolution of the electronic excitation spectrum with strongly diminishing hole-density in superconducting Bi_{2}Sr_{2}CaCu_{2}O_{8+\delta} (2007)

Alldredge, J. W., Lee, Jinho, McElroy, K., Wang, M., Fujita, K., Kohsaka, Y., ...

A complete knowledge of its excitation spectrum could greatly benefit efforts to understand the unusual form of superconductivity occurring in the lightly hole-doped copper-oxides. Here we use...

A universal high energy anomaly in angle resolved photoemission spectra of high temperature superconductors -- possible evidence of spinon and holon branches (2006)

Graf, J., McElroy, K., Zhou, S.Y., Jozwiak, C., Rotenberg, E., ...

A universal high energy anomaly in the single particle spectral function is reported in three different families of high temperature superconductors by using angle-resolved photoemission...

Interplay of electron-lattice interactions and superconductivity in Bi2Sr2CaCu2O8+d (2006)

Lee, Jinho, Fujita, K., McElroy, K., Slezak, J. A., Wang, M., Aiura, Y., ...

Formation of electron pairs is essential to superconductivity. For conventional superconductors, tunnelling spectroscopy has established that pairing is mediated by bosonic modes (phonons); a peak in...

A universal high energy anomaly in angle resolved photoemission spectra of high temperature superconductors - possible evidence of spinon and holon branches (2006)

Graf, J., McElroy, K., Zhou, S. Y., Jozwiak, C., Rotenberg, E., ...

A universal high energy anomaly in the single particle spectral function is reported in three different families of high temperature superconductors by using angle-resolved photoemission...

Signatures of modulated pair interaction in cuprate superconductors (2006)

Nunner, Tamara S., Hirschfeld, P. J., Andersen, Brian M., Melikyan, Ashot, McElroy, K.

Recent low-temperature scanning tunnelling spectroscopy experiments on the surface of BSCCO-2212 have revealed a strong positive correlation between the position of localized resonances at -960 meV...

Effects of $\tau_1$ Scattering on Fourier-Transformed Inelastic Tunneling Spectra in High-$T_c$ Cuprates with Bosonic Modes (2005)

Zhu, Jian-Xin, McElroy, K., Lee, J., Devereaux, T. P., Si, Qimiao, Davis, J. C., ...

We study the $\tau_1$-impurity induced $\mathbf{q}$-space pattern of the energy derivative local density of states (LDOS) in a d-wave superconductor. We are motivated in part by the recent scanning...

Fourier-Transformed Local Density of States and Tunneling into a $D$-Wave Superconductor with Bosonic Modes (2005)

Zhu, Jian-Xin, Balatsky, A. V., Devereaux, T. P., Si, Qimiao, Lee, J., McElroy, K., ...

We analyze the effects of the electronic coupling to bosonic modes in a d-wave superconductor. The role of the scattering due to boson on the momentum transfer between electronic states in the...

Elastic Scattering Susceptibility of the High Temperature Superconductor Bi2Sr2CaCu2O8+x: A Comparison between Real and Momentum Space Photoemission Spectroscopies (2005)

McElroy, K., Zhou, S. Y., Graf, J., Uchida, S., Eisaki, H., ...

The joint density of states (JDOS) of Bi2Sr2CaCu2O8+x is calculated by evaluating the autocorrelation of the single particle spectral function A(k,omega) measured from angle resolved photoemission...

Destruction of antinodal state coherence via `checkerboard' charge ordering in strongly underdoped superconducting BSCCO-2212 (2004)

McElroy, K., Hoffman, J. E., Lang, K. M, Lee, J., Hudson, E. W., ...

Microscopy (STM). At all dopings, the low energy density-of-states modulations are analyzed according to a simple model of quasiparticle interference and found to be consistent with Fermi-arc...

Homogenous nodal superconductivity coexisting with inhomogeneous charge order in strongly underdoped Bi-2212 (2004)

McElroy, K., Hoffman, J. E., Lang, K. M, Hudson, E. W., Eisaki, H., ...

We use novel STM techniques in concert to study the doping dependence of electronic structure in Bi-2212. At all dopings, the low energy states are relatively homogenous except for dispersive...

Imaging Quasiparticle Interference in Bi2Sr2CaCu2O8+d (2002)

Hoffman, J. E., McElroy, K., Lang, K. M, Eisaki, H., Uchida, S., ...

Scanning tunneling spectroscopy of the high-Tc superconductor Bi2Sr2CaCu2O8+d reveals weak, incommensurate, spatial modulations in the tunneling conductance. Images of these energy-dependent...

Novel mechanism of nitrosative stress from dietary nitrate with relevance to gastro-oesophageal junction cancers

Iijima, K., Grant, J., McElroy, K., Fyfe, V., Preston, T., McColl, K.E.L.

High luminal concentrations of nitric oxide are generated at the human gastro-oesophaegal junction and within Barrett's oesophagus due to the reduction of salivary nitrite to nitric oxide by acidic...

Novel mechanism of nitrosative stress from dietary nitrate with relevance to gastro-oesophageal junction cancers

Iijima, K., Grant, J., McElroy, K., Fyfe, V., Preston, T., McColl, K.E.L.

High luminal concentrations of nitric oxide are generated at the human gastro-oesophaegal junction and within Barrett's oesophagus due to the reduction of salivary nitrite to nitric oxide by acidic...

Conditions for acid catalysed luminal nitrosation are maximal at the gastric cardia

Suzuki, H, Iijima, K, Moriya, A, McElroy, K, Scobie, G, Fyfe, V, ...

Background: Saliva has a high nitrite concentration, derived from the enterosalivary recirculation of dietary nitrate, and is the main source of nitrite entering the acidic stomach. Acidification of...

Imaging the impact on cuprate superconductivity of varying the interatomic distances within individual crystal unit cells

Slezak, J. A., Lee, Jinho, Wang, M., McElroy, K., Fujita, K., Andersen, B. M., ...

Many theoretical models of high-temperature superconductivity focus only on the doping dependence of the CuO2-plane electronic structure. However, such models are manifestly insufficient to explain...