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Zero-temperature phase diagram of the second layer of 4He adsorbed on graphene

Autor
Gordillo, M. C.; Boronat, J.
Tipus d'activitat
Article en revista
Revista
Physical review B: condensed matter and materials physics
Data de publicació
2012-05-25
Volum
85
Número
19
Pàgina inicial
1
Pàgina final
6
DOI
https://doi.org/10.1103/PhysRevB.85.195457 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/16697 Obrir en finestra nova
URL
http://prb.aps.org/pdf/PRB/v85/i19/e195457 Obrir en finestra nova
Resum
The phase diagram at zero temperature of 4He adsorbed on a helium incommensurate triangular solid on top of a single graphene sheet has been obtained using the diffusion Monte Carlo method. We have found that, in accordance with previous experimental and simulation results for graphite, the ground state of 4He on this setup is a liquid that, upon compression, transforms into a triangular solid. To define the stability limits of both liquid and solid phases, we considered not only the adsorption ...
Citació
Gordillo, M.; Boronat, J. Zero-temperature phase diagram of the second layer of 4He adsorbed on graphene. "Physical review B: condensed matter and materials physics", 25 Maig 2012, vol. 85, núm. 19, p. 1-6.
Grup de recerca
SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity

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