Cold atoms in space: community workshop summary and proposed road-map
Authors: Alonso Iván , Alpigiani Cristiano , Altschul Brett , Araújo Henrique , Arduini Gianluigi , Arlt Jan , Badurina Leonardo , Balaž Antun , Bandarupally Satvika , Barish Barry C. , Barone Michele , Barsanti Michele , Bass Steven , Bassi Angelo , Battelier Baptiste , Baynham Charles F. A. , Beaufils Quentin , Belić Aleksandar , Bergé Joel , Bernabeu Jose , Bertoldi Andrea , Bingham Robert , Bize Sébastien , Blas Diego , Bongs Kai , Bouyer Philippe , Braitenberg Carla , Brand Christian , Braxmaier Claus , Bresson Alexandre , Buchmueller Oliver , Budker Dmitry , Bugalho Luís , Burdin Sergey , Cacciapuoti Luigi , Callegari Simone , Calmet Xavier , Calonico Davide , Canuel Benjamin , Caramete Laurentiu-Ioan , Carraz Olivier , Cassettari Donatella , Chakraborty Pratik , Chattopadhyay Swapan , Chauhan Upasna , Chen Xuzong , Chen Yu-Ao , Chiofalo Maria Luisa , Coleman Jonathon , Corgier Robin , Cotter J. P. , Michael Cruise A. , Cui Yanou , Davies Gavin , De Roeck Albert , Demarteau Marcel , Derevianko Andrei , Di Clemente Marco , Djordjevic Goran S. , Donadi Sandro , Doré Olivier , Dornan Peter , Doser Michael , Drougakis Giannis , Dunningham Jacob , Easo Sajan , Eby Joshua , Elertas Gedminas , Ellis John , Evans David , Examilioti Pandora , Fadeev Pavel , Fanì Mattia , Fassi Farida , Fattori Marco , Fedderke Michael A. , Felea Daniel , Feng Chen-Hao , Ferreras Jorge , Flack Robert , Flambaum Victor V. , Forsberg René , Fromhold Mark , Gaaloul Naceur , Garraway Barry M. , Georgousi Maria , Geraci Andrew , Gibble Kurt , Gibson Valerie , Gill Patrick , Giudice Gian F. , Goldwin Jon , Gould Oliver , Grachov Oleg , Graham Peter W. , Grasso Dario , Griffin Paul F. , Guerlin Christine , Gündoğan Mustafa , Gupta Ratnesh K. , Haehnelt Martin , Hanımeli Ekim T. , Hawkins Leonie , Hees Aurélien , Henderson Victoria A. , Herr Waldemar , Herrmann Sven , Hird Thomas , Hobson Richard , Hock Vincent , Hogan Jason M. , Holst Bodil , Holynski Michael , Israelsson Ulf , Jeglič Peter , Jetzer Philippe , Juzeliūnas Gediminas , Kaltenbaek Rainer , Kamenik Jernej F. , Kehagias Alex , Kirova Teodora , Kiss-Toth Marton , Koke Sebastian , Kolkowitz Shimon , Kornakov Georgy , Kovachy Tim , Krutzik Markus , Kumar Mukesh , Kumar Pradeep , Lämmerzahl Claus , Landsberg Greg , Le Poncin-Lafitte Christophe , Leibrandt David R. , Lévèque Thomas , Lewicki Marek , Li Rui , Lipniacka Anna , Lisdat Christian , Liu Mia , Lopez-Gonzalez J. L. , Loriani Sina , Louko Jorma , Luciano Giuseppe Gaetano , Lundblad Nathan , Maddox Steve , Mahmoud M. A. , Maleknejad Azadeh , March-Russell John , Massonnet Didier , McCabe Christopher , Meister Matthias , Mežnaršič Tadej , Micalizio Salvatore , Migliaccio Federica , Millington Peter , Milosevic Milan , Mitchell Jeremiah , Morley Gavin W. , Müller Jürgen , Murphy Eamonn , Müstecaplıoğlu Özgür E. , O’Shea Val , Oi Daniel K. L. , Olson Judith , Pal Debapriya , Papazoglou Dimitris G. , Pasatembou Elizabeth , Paternostro Mauro , Pawlowski Krzysztof , Pelucchi Emanuele , Pereira dos Santos Franck , Peters Achim , Pikovski Igor , Pilaftsis Apostolos , Pinto Alexandra , Prevedelli Marco , Puthiya-Veettil Vishnupriya , Quenby John , Rafelski Johann , Rasel Ernst M. , Ravensbergen Cornelis , Reguzzoni Mirko , Richaud Andrea , Riou Isabelle , Rothacher Markus , Roura Albert , Ruschhaupt Andreas , Sabulsky Dylan O. , Safronova Marianna , Saltas Ippocratis D. , Salvi Leonardo , Sameed Muhammed , Saurabh Pandey , Schäffer Stefan , Schiller Stephan , Schilling Manuel , Schkolnik Vladimir , Schlippert Dennis , Schmidt Piet O. , Schnatz Harald , Schneider Jean , Schneider Ulrich , Schreck Florian , Schubert Christian , Shayeghi Armin , Sherrill Nathaniel , Shipsey Ian , Signorini Carla , Singh Rajeev , Singh Yeshpal , Skordis Constantinos , Smerzi Augusto , Sopuerta Carlos F. , Sorrentino Fiodor , Sphicas Paraskevas , Stadnik Yevgeny V. , Stefanescu Petruta , Tarallo Marco G. , Tentindo Silvia , Tino Guglielmo M. , Tinsley Jonathan N. , Tornatore Vincenza , Treutlein Philipp , Trombettoni Andrea , Tsai Yu-Dai , Tuckey Philip , Uchida Melissa A. , Valenzuela Tristan , Van Den Bossche Mathias , Vaskonen Ville , Verma Gunjan , Vetrano Flavio , Vogt Christian , von Klitzing Wolf , Waller Pierre , Walser Reinhold , Wille Eric , Williams Jason , Windpassinger Patrick , Wittrock Ulrich , Wolf Peter , Woltmann Marian , Wörner Lisa , Xuereb André , Yahia Mohamed , Yazgan Efe , Yu Nan , Zahzam Nassim , Zambrini Cruzeiro Emmanuel , Zhan Mingsheng , Zou Xinhao , Zupan Jure , Zupanič Erik 
Published: November 2022

We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. Prospective applications include metrology, geodesy and measurement of terrestrial mass change due to, e.g., climate change, and fundamental science experiments such as tests of the equivalence principle, searches for dark matter, measurements of gravitational waves and tests of quantum mechanics. We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space. Finally, we present a first draft of a possible road-map for achieving these goals, that we propose for discussion by the interested cold atom, Earth Observation, fundamental physics and other prospective scientific user communities, together with the European Space Agency (ESA) and national space and research funding agencies.