Spin-charge separation in ultra-cold quantum gases
A. Recati, P.O. Fedichev, W. Zwerger, P.Zoller
TL;DR
This paper explores spin-charge separation in quasi-one-dimensional fermionic quantum gases, analyzing theoretical models and discussing experimental challenges for observing this phenomenon in ultra-cold atom systems.
Contribution
It provides a theoretical analysis of spin-charge separation in confined quantum gases and discusses conditions for experimental realization.
Findings
Spin-charge separation is theoretically predicted in quasi-1D fermionic gases.
Conditions for observing spin-charge separation are outlined.
Experimental limitations for detection are discussed.
Abstract
We investigate the physical properties of quasi-1D quantum gases of fermion atoms confined in harmonic traps. Using the fact that for a homogeneous gas, the low energy properties are exactly described by a Luttinger model, we analyze the nature and manifestations of the spin-charge separation. Finally we discuss the necessary physical conditions and experimental limitations confronting possible experimental implementations.
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