Novel $p$-wave superfluids of fermionic polar molecules

TL;DR

This paper proposes that subwavelength lattices enable the realization of topological $p$-wave superfluids of fermionic polar molecules at ultra-cold temperatures, with potential applications in quantum computing.

Contribution

It introduces the concept of using subwavelength lattices to achieve topological $p$-wave superfluids of polar molecules, including a bilayer phase, at experimentally feasible temperatures.

Findings

Topological $p$-wave superfluids can be realized at tens of nanokelvins.

Subwavelength lattices significantly enhance prospects for observing these superfluids.

Potential applications in topologically protected quantum information processing.

Abstract

We show that recently suggested subwavelength lattices offer remarkable prospects for the observation of novel superfluids of fermionic polar molecules. It becomes realistic to obtain a topological $p$-wave superfluid of microwave-dressed polar molecules in 2D lattices at temperatures of the order of tens of nanokelvins, which is promising for topologically protected quantum information processing. Another foreseen novel phase is an interlayer $p$-wave superfluid of polar molecules in a bilayer geometry.