A Novel Route to Reach a $p$-wave Superfluid Fermi Gas

Abstract

We theoretically propose an idea to realize a $p$-wave superfluid Fermi gas. To overcome the experimental difficulty that a $p$-wave pairing interaction to form $p$-wave Cooper pairs damages the system before the condensation growth, we first prepare a $p$-wave pair amplitude (${\Phi }_p$) in a spin-orbit coupled $s$-wave superfluid Fermi gas, without any $p$-wave interaction. Then, by suddenly changing the $s$-wave interaction with a $p$-wave one ($U_p$) by using a Feshbach resonance, we reach the $p$-wave superfluid phase with the $p$-wave order parameter being symbolically written as ${\Delta }_p\sim U_p{\Phi }_p$. In this letter, we assess this scenario within the framework of a time-dependent Bogoliubov-de Gennes theory. Our results would contribute to the study toward the realization of unconventional pairing states in an ultracold Fermi gas.

References in corpus (35)

• Feshbach Resonances in Ultracold Gases
• Observation of resonance condensation of fermionic atom pairs
• Condensation of Pairs of Fermionic Atoms Near a Feshbach Resonance
• Spin-Orbit Coupled Degenerate Fermi Gases
• Spin-Injection Spectroscopy of a Spin-Orbit Coupled Fermi Gas
• Dynamics of collapsing and exploding Bose-Einstein condensates
• Tuning p-wave interactions in an ultracold Fermi gas of atoms
• Solitons and Rabi Oscillations in a Time-Dependent BCS Pairing Problem
• Multiplet Structure of Feshbach Resonances in non-zero partial waves
• P-wave Feshbach resonances of ultra-cold ${}^6$Li
• Feshbach Resonances in Fermionic Lithium-6
• p-Wave Interactions in Low-Dimensional Fermionic gases
• Probing anisotropic superfluidity of rashbons in atomic Fermi gases
• p-wave Feshbach molecules
• Collisional Properties of p-Wave Feshbach Molecules
• Quantum quench in a p + i p superfluid: Winding numbers and topological states far from equilibrium
• Quantum quench phase diagrams of an s-wave BCS-BEC condensate
• Binding Energies of 6Li p-wave Feshbach Molecules
• Fermion Superfluids of Non-Zero Orbital Angular Momentum near Resonance
• Three fully polarized fermions close to a p-wave Feshbach resonance
• BCS-BEC crossover in a gas of Fermi atoms with a p-wave Feshbach resonance
• Stability of the fermionic gases close to a p-wave Feshbach resonance
• Evolution from BCS to BEC superfluidity in p-wave Fermi gases
• Strongly-resonant p-wave superfluids
• Resonant scattering properties close to a p-wave Feshbach resonance
• Experimental Determination of p-wave Scattering Parameters in ultracold 6Li atoms
• Rapid ramps across the BEC-BCS crossover: a novel route to measuring the superfluid gap
• Nonzero orbital angular momentum superfluidity in ultracold Fermi gases
• Dynamics of emergent Cooper pairing at finite temperatures
• Higgs amplitude mode in massless Dirac fermion systems
• Proposed method to realize the $p$-wave superfluid state using a $s$-wave superfluid Fermi gas with a synthetic spin-orbit interaction
• P-wave Pairing in Two-Component Fermi Systems with Unequal Population near Feshbach Resonance
• p-wave Pairing in Two-Component Fermi System with Unequal Population: Weak Coupling BCS to Strong Coupling BEC Regimes
• Periodic dynamics of fermionic superfluids in the BCS regime
• Many-body dynamics of p-wave Feshbach molecule production: a mean-field approach

Cited by in corpus (5)

• Three-body forces and Efimov physics in nuclei and atoms
• Two-dimensional Fermi gases near a p-wave resonance: effect of quantum fluctuations
• Pairing Dynamics of Polar States in a Quenched p-wave Superfluid Fermi Gas
• Tricritical physics in two-dimensional $p$-wave superfluids
• Appropriate conditions to realize a $p$-wave superfluid state starting from a spin-orbit coupled $s$-wave superfluid Fermi gas