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Volume Collapse Transitions/Materials Under High Pressure

With colleagues at LLNL my group has looked at materials properties at high pressure.

Relevant Publications:

[192.] A.K. McMahan, R.T. Scalettar, and M. Jarrell,
"The screening of 4f moments and delocalization in the compressed light rare earths,"
Phys. Rev. B80, 235105 (2009).
[157.] B.R. Maddox, A. Lazicki, C.S. Yoo, V. Iota, M. Chen, A. McMahan, M.Y. Hu, P. Chow,
R.T. Scalettar, and W.E. Pickett,
"4f Delocalization in Gd: Inelastic X-Ray Scattering at Ultrahigh Pressure,"
Phys. Rev. Lett. 96, 215701 (2006).
[146.] A. Lazicki, B. Maddox, W. Evans, C.S. Yoo, A.K. McMahan, W.E. Pickett, R.T. Scalettar,
M.Y. Hu, and P. Chow,
"New cubic phase of lithium nitride to 200 GPa,"
Phys. Rev. Lett. 95, 165503 (2005).
[136.] C.S. Yoo, B. Maddox, J.H.P. Klepeis, V. Iota, W. Evans, A. McMahan, M. Hu, P. Chow,
M. Somayazulu, D. Hausermann, R.T. Scalettar, and W.E. Pickett,
"First-order Isostructural Mott transition in highly-compressed MnO,"
Phys. Rev. Lett. 94, 115502 (2005).
[120.] A. K. McMahan, K. Held, and R. T. Scalettar,
"Thermodynamic and spectral properties of compressed Ce calculated by the merger of the
local density approximation and dynamical mean field theory,"
Phys. Rev. B67, 075108 (2003).
[112.] K. Held, A.K. McMahan, and R.T. Scalettar,
``The Cerium Volume Collapse: Results from the LDA+DMFT Approach,''
Phys. Rev. Lett. 87, 276404 (2001).