Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"quantum fluids"”.
-
Variational theory of quantum fluids
… the systematic calculation of the properties of quantum fluids given the microscopic two-body potential. Physical arguments are used to construct a correlation operator that approximately transforms the states of a non-interacting system into the corresponding states of the interacting-system. …
-
Fundamental Excitations of Nonconservative Quantum Fluids
… to this theory of $\textit{nonconservative}$ quantum hydrodynamics, and towards the argument that it truly represents a paradigmatic departure from the now mature theory of equilibrium quantum hydrodynamics. The polariton is formed in an optical cavity: cavity photons excite and superpose with …
-
Aspects of Parity Breaking in Classical and Quantum Fluids
… even in the bulk.</p> <p>In a similar fashion, quantum system with internal or external parity breaking will generate observable signatures, such as point vortices in the bulk, and chiral modes that propagate along a boundary. When recast as a hydrodynamic problem these effects are readily …
-
Strongly correlated quantum fluids and effective thermalization in non-Markovian driven-dissipative photonic systems
Collective quantum phenomena are fascinating, as they repeatedly challenge our comprehension of nature and its underlying mechanisms. The qualification ``quantum'' can be attributed to a generic many-body system whenever the interference effects related to the underlying wave nature of its …
-
Computational approaches to stochastic systems in physics and biology
… systems which exhibit stochastic behavior: quantum fluids with topological defects arising during quenches and forcing, and complex microbial communities living and evolving withing the gastrointestinal tracts of vertebrates. As such, this dissertation is organized into two parts. In Part I, …
-
Exploring Interacting Bose Gases in and out of Equilibrium
… of an optical box trap, a novel testbed for quantum many-body phenomena. Our work focuses on weakly interacting non-equilibrium systems, moderately interacting systems that are still in equilibrium, and the unitary Bose gas which is both strongly interacting and eludes equilibrium. We begin …
-
Spectroscopy of Two Dimensional Electron Systems Comprising Exotic Quasiparticles
… energy excitations of composite fermions in the quantum fluid at v = 1/3. The high energies discovered represent excitations across multiple composite fermion energy levels, demonstrating the topological robustness of the fractional quantum Hall state at v = 1/3. This study sets the ground work …
-
Universal quantum viscosity in a unitary Fermi gas.
… reports the first measurement of the quantum shear viscosity in a6Li unitary Fermi gas, which is also the first measurement of a transport coefficient for a unitary Fermi gas. While equilibrium thermodynamic quantities have been theoretically and experimentally studied for the past few …