منابع مشابه
Paired fermionic superfluids with s - and p - wave interactions
Date The final copy of this thesis has been examined by the signatories, and we find that both the content and the form meet acceptable presentation standards of scholarly work in the above mentioned discipline. Paired fermionic superfluids with sand p-wave interactions Thesis directed by Assistant Professor Victor Gurarie This thesis presents theoretical work in sand p-wave resonantly paired F...
متن کاملVortices in p-Wave Superfluids of Trapped Fermionic Atom Gases
In order to help detecting superfluidity, we theoretically investigate p-wave pairing superfluids in neutral Fermion atom gases confined by a three dimensimentional (3D) harmonic potential. The Ginzburg-Landau framework, which is generic for p-wave superfluids, is used to describe the order parameter spatial structure, or texture characterized by the l-vector both at rest and under rotation. Th...
متن کاملFractional excitation in one-dimensional two species fermionic superfluids
We study one-dimensional two-species fermionic superfluids with order parameter twisted by an angle φ at the two ends. By solving the corresponding Bogoliubov-de-Gennes equation, we obtain the U(1) soliton state which turns out to carry φS/(2π) spin, where S is the spin of single fermion. For Z2 soliton with φ = π, the localized state carries only 1/2 of a single fermion spin. To conserve the t...
متن کاملPairing gap and in-gap excitations in trapped fermionic superfluids.
We consider trapped atomic Fermi gases with Feshbach-resonance enhanced interactions in pseudogap and superfluid temperatures. We calculate the spectrum of radio-frequency (or laser) excitations for transitions that transfer atoms out of the superfluid state. The spectrum displays the pairing gap and also the contribution of unpaired atoms, that is, in-gap excitations. The results support the c...
متن کاملFermionic Superfluids : From Cold Atoms to High Density QCD
In this thesis, we explore aspects of fermionic superfluidity through a meanfield approximation. Our framework is extremely general, includes both pairing and Hartree-Fock contributions, and is derived rigorously from a variational principle. This framework allows us to analyze a wide range of fermionic systems. In this thesis, we shall consider two-species nonrelativistic atomic systems with v...
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ژورنال
عنوان ژورنال: Annals of Physics
سال: 2007
ISSN: 0003-4916
DOI: 10.1016/j.aop.2006.10.009