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Phase diagram of a quantum Coulomb wire

Autor
Ferré, G.; Astrakharchik, G.; Boronat, J.
Tipus d'activitat
Article en revista
Revista
Physical review B: condensed matter and materials physics
Data de publicació
2015-12-09
Volum
92
Número
24
Pàgina inicial
1
Pàgina final
6
DOI
https://doi.org/10.1103/PhysRevB.92.245305 Obrir en finestra nova
Projecte finançador
Materia cuántica ultrafría
Repositori
http://arxiv.org/abs/1507.05496 Obrir en finestra nova
http://hdl.handle.net/2117/85102 Obrir en finestra nova
URL
http://journals.aps.org/prb/abstract/10.1103/PhysRevB.92.245305 Obrir en finestra nova
Resum
We report the quantum phase diagram of a one-dimensional Coulomb wire obtained using the path-integral Monte Carlo method. The exact knowledge of the nodal points of this system permits us to find the energy in an exact way, solving the sign problem which spoils fermionic calculations in higher dimensions. The results obtained allow for the determination of the stability domain, in terms of density and temperature, of the one-dimensional Wigner crystal. At low temperatures, the quantum wire reac...
Citació
Ferré, G., Astrakharchik, G., Boronat, J. Phase diagram of a quantum Coulomb wire. "Physical review B: condensed matter and materials physics", 09 Desembre 2015, vol. 92, núm. 24, p. 1-6.
Paraules clau
Carbon-nanotube transistors, Lluttinger liquid, One-dimension, Wigner crystal
Grup de recerca
SIMCON - First-principles approaches to condensed matter physics: quantum effects and complexity

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