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arXiv:1511.07215

Atomtronics

Luigi Amico A, M. G. Boshier

Published Nov 23, 2015• 2 citations
arXivHTMLPDF

Abstract

The progress achieved in micro-fabricating potential for cold atoms has defined a new field in quantum technology - Atomtronics - where a variety of 'atom circuits' of very different spatial shapes and depth have been devised for atom manipulation, with a precision that nowadays is approaching that of lithographic techniques. Atomtronic setups are characterized by enhanced flexibility and control of the fundamental mechanisms underlying their functionalities and by the reduced decoherence rate that is typical of cold-atom systems. Such an approach is expected to be instrumental for the realization of quantum devices of a radically new type and, at the same time, to enlarge the scope of cold atom quantum simulators. In this article we give a short overview of the field and draw a roadmap for potential future directions.

DOI
10.48550/arxiv.1511.07215

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The progress achieved in micro-fabricating potential for cold atoms has defined a new field in quantum technology - Atomtronics - where a variety of 'atom circuits' of very different spatial shapes and depth have been devised for atom manipulation, with a precision that nowadays is approaching that of lithographic techniques. Atomtronic setups are characterized by enhanced flexibility and control of the fundamental mechanisms underlying their functionalities and by the reduced decoherence rate that is typical of cold-atom systems. Such an approach is expected to be instrumental for the realization of quantum devices of a radically new type and, at the same time, to enlarge the scope of cold atom quantum simulators. In this article we give a short overview of the field and draw a roadmap for potential future directions.
Atomtronics is an emerging field in quantum technology that promises to realize 'atomic circuit' architectures exploiting ultra-cold atoms manipulated in versatile micro-optical circuits generated by laser fields of different shapes and intensities or micro-magnetic circuits known as atom chips. Although devising new applications for computation and information transfer is a defining goal of the field, atomtronics wants to enlarge the scope of quantum simulators and to access new physical regimes with novel fundamental science. With this focus issue we want to survey the state of the art of atomtronics-enabled quantum technology. We collect articles on both conceptual and applicative aspects of the field for diverse exploitations, both to extend the scope of the existing atom-based quantum devices and to devise platforms for new routes to quantum technology.
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Atomtronics is an emerging field that aims to manipulate ultracold atom moving in matter wave circuits for both fundamental studies in quantum science and technological applications. In this colloquium, we review recent progress in matter-wave circuitry and atomtronics-based quantum technology. After a short introduction to the basic physical principles and the key experimental techniques needed to realize atomtronic systems, we describe the physics of matter-waves in simple circuits such as ring traps and two-terminal systems. The main experimental observations and outstanding questions are discussed. We also present possible applications to a broad range of quantum technologies, from quantum sensing with atom interferometry to future quantum simulation and quantum computation architectures.
The growing field of Atomtronics is an important frontier for fundamental research and the development of new quantum technologies. Atomtronics is the study of atomic systems analogous to electronic circuits and components, where the carriers are neutral atoms instead of electrons. The dynamics of these simulated systems are useful for quantum metrology, magnetic sensing, rotational sensing and even to simulate black holes Experimental Atomtronic setups thus require great flexibility and precision to manipulate the parameters of the system.
Abstract In this article, we provide perspectives for atomtronics circuits on quantum technology platforms beyond simple bosonic or fermionic cold atom matter-wave currents. Specifically, we consider (i) matter-wave schemes with multi-component quantum fluids; (ii) networks of Rydberg atoms that provide a radically new concept of atomtronics circuits in which the flow, rather than in terms of matter, occurs through excitations; (iii) hybrid matterwave circuits—a combination of ultracold atomtronic circuits with other quantum platforms that can lead to circuits beyond the standard solutions and provide new schemes for integrated matter-wave networks. We also sketch how driving these systems can open new pathways for atomtronics.