Effects of the presence of cs impurities on the two-dimensional (formula presented) phase diagram

M. C. Gordillo; D. M. Ceperley

doi:10.1103/PhysRevB.59.8416

Effects of the presence of cs impurities on the two-dimensional (formula presented) phase diagram

M. C. Gordillo, D. M. Ceperley

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The changes in the two-dimensional (2D) ⁴He phase diagram due to the introduction of impurities (Cs atoms) are estimated using path-integral Monte Carlo simulations. Our results indicate that when we increase the concentration of Cs atoms, the liquid-gas coexistence zone decreases in size and eventually disappears for σ_Cs∼0.005 Å ^-2, so that 2D ⁴He gases will be stable at low temperatures.

Original language	English (US)
Pages (from-to)	8416-8419
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	59
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.59.8416
State	Published - 1999

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.59.8416

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title = "Effects of the presence of cs impurities on the two-dimensional (formula presented) phase diagram",

abstract = "The changes in the two-dimensional (2D) 4He phase diagram due to the introduction of impurities (Cs atoms) are estimated using path-integral Monte Carlo simulations. Our results indicate that when we increase the concentration of Cs atoms, the liquid-gas coexistence zone decreases in size and eventually disappears for σCs∼0.005 {\AA} -2, so that 2D 4He gases will be stable at low temperatures.",

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AB - The changes in the two-dimensional (2D) 4He phase diagram due to the introduction of impurities (Cs atoms) are estimated using path-integral Monte Carlo simulations. Our results indicate that when we increase the concentration of Cs atoms, the liquid-gas coexistence zone decreases in size and eventually disappears for σCs∼0.005 Å -2, so that 2D 4He gases will be stable at low temperatures.

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Effects of the presence of cs impurities on the two-dimensional (formula presented) phase diagram

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