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BCS-BEC crossover and nodal-points contribution in -wave resonance superfluids
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View: Figures


Image of FIG. 1.
FIG. 1.

Sketch of the -wave Feshbach resonance.

Image of FIG. 2.
FIG. 2.

A qualitative picture of the BCS-BEC crossover in the phase in coordinates of temperature versus the inverse gas parameter for -wave superfluids (, is the scattering volume).

Image of FIG. 3.
FIG. 3.

The topology of the superfluid gap in the phase. is the angle between momentum and the axis of orbital momentum quantization . There are two nodes in the quasiparticle spectrum, corresponding to the south and north poles.

Image of FIG. 4.
FIG. 4.

Qualitative illustration of fermionic and bosonic contributions to the total hydrodynamic action of the phase at .

Image of FIG. 5.
FIG. 5.

The level structure of the Dirac equation in magnetic field . All the levels with are doubly degenerate. The zeroth level is chiral. It crosses the origin for in the BCS domain .

Image of FIG. 6.
FIG. 6.

The contribution to the coefficient is governed by a narrow cylindrical tube of length and width inside the Fermi sphere.

Image of FIG. 7.
FIG. 7.

The possible role of damping in destruction of the chiral anomaly at low frequencies and small vectors when ( is the level spacing).

Image of FIG. 8.
FIG. 8.

Different decay processes for damping of chiral fermions at : the standard three-fermion decay process, and a decay process with the emission of an orbital wave.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: BCS-BEC crossover and nodal-points contribution in p-wave resonance superfluids