Dimers in two-dimensional 3He- 4He mixtures

E Krotscheck; Janne Paaso; M Saarela; K Schörkhuber

doi:10.1103/PhysRevLett.85.2344

Dimers in two-dimensional 3He- 4He mixtures

E Krotscheck, Janne Paaso, M Saarela, K Schörkhuber

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Abstract

Ground-state properties of two-dimensional 3He−4He mixtures are studied at zero temperature. A general argument based on the long-ranged attraction of the phonon exchange is given for the existence of 3He dimers in low-concentration mixtures with 4He. The binding energy of dimers ranges from milli- to microkelvins with increasing 4He density. By comparing the 3He impurity chemical potential in 4He with the one in pure 3He we conclude that at finite pressures 3He dimers form a mixture with 4He with a maximum solubility of ≈3%.

Original language	English
Pages (from-to)	2344-2347
Number of pages	4
Journal	Physical Review Letters
Volume	85
DOIs	https://doi.org/10.1103/PhysRevLett.85.2344
Publication status	Published - 2000
MoE publication type	A1 Journal article-refereed

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title = "Dimers in two-dimensional 3He- 4He mixtures",

abstract = "Ground-state properties of two-dimensional 3He−4He mixtures are studied at zero temperature. A general argument based on the long-ranged attraction of the phonon exchange is given for the existence of 3He dimers in low-concentration mixtures with 4He. The binding energy of dimers ranges from milli- to microkelvins with increasing 4He density. By comparing the 3He impurity chemical potential in 4He with the one in pure 3He we conclude that at finite pressures 3He dimers form a mixture with 4He with a maximum solubility of ≈3%.",

author = "E Krotscheck and Janne Paaso and M Saarela and K Sch{\"o}rkhuber",

year = "2000",

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journal = "Physical Review Letters",

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AU - Krotscheck, E

AU - Paaso, Janne

AU - Saarela, M

AU - Schörkhuber, K

PY - 2000

Y1 - 2000

N2 - Ground-state properties of two-dimensional 3He−4He mixtures are studied at zero temperature. A general argument based on the long-ranged attraction of the phonon exchange is given for the existence of 3He dimers in low-concentration mixtures with 4He. The binding energy of dimers ranges from milli- to microkelvins with increasing 4He density. By comparing the 3He impurity chemical potential in 4He with the one in pure 3He we conclude that at finite pressures 3He dimers form a mixture with 4He with a maximum solubility of ≈3%.

AB - Ground-state properties of two-dimensional 3He−4He mixtures are studied at zero temperature. A general argument based on the long-ranged attraction of the phonon exchange is given for the existence of 3He dimers in low-concentration mixtures with 4He. The binding energy of dimers ranges from milli- to microkelvins with increasing 4He density. By comparing the 3He impurity chemical potential in 4He with the one in pure 3He we conclude that at finite pressures 3He dimers form a mixture with 4He with a maximum solubility of ≈3%.

U2 - 10.1103/PhysRevLett.85.2344

DO - 10.1103/PhysRevLett.85.2344

M3 - Article

VL - 85

SP - 2344

EP - 2347

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

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