Journal
PHYSICAL REVIEW B
Volume 103, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.103.L060501
Keywords
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Funding
- US Department of Energy, Office of Science [DE-SC0014671]
- Brazilian funding agency CAPES
- Brazilian funding agency CNPq
- National Science Foundation [DMR-1918572]
- University of the Cote d'Azur IDEX Jedi
- NSF at SJSU [OAC-162664]
- Beijing CSRC
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Studies have found that the suppression of charge density wave correlations in the half-filled Holstein model by disorder can stabilize a superconducting phase. Experimental results demonstrate the inhibition of charge ordered phases and the emergence of superconductivity.
The interplay between electron-electron correlations and disorder has been a central theme of condensed matter physics over the past several decades, with particular interest in the possibility that interactions might cause delocalization of an Anderson insulator into a metallic state, and the disrupting effects of randomness on magnetic order and the Mott phase. Here we extend this physics to explore electron phonon interactions and show, via exact quantum Monte Carlo simulations, that the suppression of the charge density wave correlations in the half-filled Holstein model by disorder can stabilize a superconducting phase. Our simulations thus capture qualitatively the suppression of charge ordered phases and emergent superconductivity recently seen experimentally.
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