Quantum state transfer between a Bose-Einstein condensate and an optomechanical mirror

TL;DR

This paper proposes a scheme for transferring quantum states between a Bose-Einstein condensate and an optomechanical mirror via a cavity field, highlighting the importance of quantum effects in the cavity for successful transfer.

Contribution

It introduces a novel hybrid system model enabling quantum state transfer between atomic condensates and mechanical mirrors mediated by cavity fields.

Findings

The system is described by a beam splitter Hamiltonian after adiabatic elimination.

Quantum nature of the cavity field is essential for effective state transfer.

The scheme provides a pathway for quantum information transfer in hybrid systems.

Abstract

In this paper we describe a scheme for state transfer between a trapped atomic Bose condensate and an optomechanical end-mirror mediated by a cavity field. Coupling between the mirror and the cold gas arises from the fact that the cavity field can produce density oscillations in the gas which in turn acts as an internal Bragg mirror for the field. After adiabatic elimination of the cavity field we find that the hybrid system of the gas and mirror is described by a beam splitter Hamiltonian that allows for state transfer, but only if the quantum nature of the cavity field is retained.