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Quantum oscillations in confined and degenerate Fermi gases. II. The phase diagram and applications of half-vicinity model
Istanbul Technical University, Energy Institute .
Istanbul Technical University, Energy Institute .ORCID iD: 0000-0002-7431-5115
2018 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 382, p. 1813-1817Article in journal (Refereed) Published
Abstract [en]

For part I see DOI: 10 .1016 /j.physleta.2018.02.006. Size and density dependent quantum oscillations appear in Fermi gases under strong confinement and degeneracy conditions. We provide a universal recipe that explicitly separates oscillatory regime from non-oscillatory (stationary) one. A phase diagram representing stationary and oscillatory regimes on degeneracy-confinement space is proposed. Analytical expressions of phase transition interfaces are derived. The critical point, which separates entirely stationary and oscillatory regions, is determined and its dependencies on aspect ratios are examined for anisometric domains. Accuracy of the half-vicinity model and the phase diagram are verified through the quantum oscillations in electronic heat capacity and its ratio to entropy.

Place, publisher, year, edition, pages
2018. Vol. 382, p. 1813-1817
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-380268OAI: oai:DiVA.org:uu-380268DiVA, id: diva2:1298990
Available from: 2019-03-25 Created: 2019-03-25 Last updated: 2019-03-25

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