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    <title>Analysis and numerics of the full viscous quantum hydrodynamic system with barrier potential</title>
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  <abstract type="Summary">The complete viscous quantum hydrodynamic equations are solved using semigroups. The properties of the mild solution for different initial conditions are studied. The analytical part of the work ends with the presentation of the linearized equation and a stability analysis. In addition, the equations are solved numerically using the continuation method. The algorithm is tested on the isothermal quantum hydrodynamic equations and compared with the literature. The results of the time-dependent problem and a current-voltage characteristic are presented.&lt;eng&gt;</abstract>
  <abstract type="Summary">Die vollständigen viskosen quantenhydrodynamischen Gleichungen werden mittels Halbgruppen gelöst. Die Eigenschaften der milden Lösung für verschiedene Anfangsbedingungen werden untersucht. Der analytische Teil der Arbeit endet mit der Darstellung der linearisierten Gleichung und einer Stabilitätsanalyse. Außerdem werden die Gleichungen mit der Fortsetzungsmethode numerisch gelöst. Der Algorithmus wird an den isothermen quantenhydrodynamischen Gleichungen getestet und mit der Literatur verglichen. Die Ergebnisse des zeitabhängigen Problems und eine Strom-Spannungskennlinie werden präsentiert.&lt;ger&gt;</abstract>
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  <note type="statement of responsibility">vorgelegt von Paul Thomas</note>
  <note>GutachterInnen: Michael Dreher (Universität Rostock, Institut für Mathematik) ; Ansgar Jüngel (Technische Universität Wien)</note>
  <note type="thesis">Dissertation Universität Rostock 2024</note>
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    <titleInfo>
      <title>Analysis and numerics of the full viscous quantum hydrodynamic system with barrier potential</title>
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      <publisher>Rostock : Universität Rostock, 2023</publisher>
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    <identifier type="local">(DE-627)1887843760</identifier>
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      <namePart>Thomas, Paul, 1994 - </namePart>
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