Imperial College London

ProfessorJohannesLischner

Faculty of EngineeringDepartment of Materials

Professor of Theory and Simulation of Materials
 
 
 
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Contact

 

+44 (0)20 7594 9949j.lischner

 
 
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Location

 

342Bessemer BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{McClain:2016:10.1103/PhysRevB.93.235139,
author = {McClain, J and Lischner, JC and Watson, T and Matthews, DA and Ronca, E and Louie, SG and Berkelbach, TC and Chan, GK-L},
doi = {10.1103/PhysRevB.93.235139},
journal = {Physical Review B},
pages = {1--6},
title = {Spectral functions of the uniform electron gas via coupled-cluster theory and comparison to GW and related approximations},
url = {http://dx.doi.org/10.1103/PhysRevB.93.235139},
volume = {93},
year = {2016}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - We use, for the first time, ab initio coupled-cluster theory to compute the spectral function of the uniformelectron gas at a Wigner-Seitz radius of rs = 4. The coupled-cluster approximations we employ go significantlybeyond the diagrammatic content of state-of-the-art GW theory. We compare our calculations extensively toGW and GW-plus-cumulant theory, illustrating the strengths and weaknesses of these methods in capturing thequasiparticle and satellite features of the electron gas. Our accurate calculations further allow us to addressthe long-standing debate over the occupied bandwidth of metallic sodium. Our findings indicate that the futureapplication of coupled-cluster theory to condensed phase material spectra is highly promising.
AU - McClain,J
AU - Lischner,JC
AU - Watson,T
AU - Matthews,DA
AU - Ronca,E
AU - Louie,SG
AU - Berkelbach,TC
AU - Chan,GK-L
DO - 10.1103/PhysRevB.93.235139
EP - 6
PY - 2016///
SN - 1550-235X
SP - 1
TI - Spectral functions of the uniform electron gas via coupled-cluster theory and comparison to GW and related approximations
T2 - Physical Review B
UR - http://dx.doi.org/10.1103/PhysRevB.93.235139
UR - https://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.235139
UR - http://hdl.handle.net/10044/1/33923
VL - 93
ER -