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Schrijvers, Dieuwertje (author), Hool, Alessandra (author), Blengini, Gian Andrea (author), Chen, Wei Qiang (author), Dewulf, Jo (author), Eggert, Roderick (author), van Ellen, Layla (author), Gauss, Roland (author), Goddin, James (author), Peck, David (author)
The assessment of the criticality of raw materials allows the identification of the likelihood of a supply disruption of a material and the vulnerability of a system (e.g. a national economy, technology, or company) to this disruption. Inconclusive outcomes of various studies suggest that criticality assessments would benefit from the...
review 2020
Krieg, Jan (author), Strassel, Dominik (author), Streib, S.D. (author), Eggert, Sebastian (author), Kopietz, Peter (author)
We use the functional renormalization group (FRG) to derive analytical expressions for thermodynamic observables (density, pressure, entropy, and compressibility) as well as for single-particle properties (wave-function renormalization and effective mass) of interacting bosons in two dimensions as a function of temperature T and chemical...
journal article 2017