Roadmap on atomtronics : state of the art and perspective

Amico, L. and Boshier, M. and Birkl, G. and Minguzzi, A. and Miniatura, C. and Kwek, L.-C. and Aghamalyan, D. and Ahufinger, V. and Anderson, D. and Andrei, N. and Arnold, A. S. and Baker, M. and Bell, T. A. and Bland, T. and Brantut, J. P. and Cassettari, D. and Chetcuti, W. J. and Chevy, F. and Citro, R. and De Palo, S. and Dumke, R. and Edwards, M. and Folman, R. and Fortagh, J. and Gardiner, S. A. and Garraway, B. M. and Gauthier, G. and Günther, A. and Haug, T. and Hufnagel, C. and Keil, M. and Ireland, P. and Lebrat, M. and Li, W. and Longchambon, L. and Mompart, J. and Morsch, O. and Naldesi, P. and Neely, T. W. and Olshanii, M. and Orignac, E. and Pandey, S. and Pérez-Obiol, A. and Perrin, H. and Piroli, L. and Polo, J. and Pritchard, A. L. and Proukakis, N. P. and Rylands, C. and Rubinsztein-Dunlop, H. and Scazza, F. and Stringari, S. and Tosto, F. and Trombettoni, A. and Victorin, N. and Klitzing, W. von and Wilkowski, D. and Xhani, K. and Yakimenko, A. (2021) Roadmap on atomtronics : state of the art and perspective. AVS Quantum Science, 3 (3). 039201. ISSN 2639-0213 (

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Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types of quantum networks can be constructed in which coherent fluids are controlled with the know-how developed in the atomic and molecular physics community. In particular, quantum devices with enhanced precision, control, and flexibility of their operating conditions can be accessed. Concomitantly, new quantum simulators and emulators harnessing on the coherent current flows can also be developed. Here, the authors survey the landscape of atomtronics-enabled quantum technology and draw a roadmap for the field in the near future. The authors review some of the latest progress achieved in matter-wave circuits' design and atom-chips. Atomtronic networks are deployed as promising platforms for probing many-body physics with a new angle and a new twist. The latter can be done at the level of both equilibrium and nonequilibrium situations. Numerous relevant problems in mesoscopic physics, such as persistent currents and quantum transport in circuits of fermionic or bosonic atoms, are studied through a new lens. The authors summarize some of the atomtronics quantum devices and sensors. Finally, the authors discuss alkali-earth and Rydberg atoms as potential platforms for the realization of atomtronic circuits with special features.