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Birth, life, and death of a dipolar supersolid

In the short time since the first observation of supersolid states of ultracold dipolar atoms, substantial progress has been made in understanding the zero-temperature phase diagram and low-energy excitations of these systems. Less is known, however, about their finite-temperature properties, partic...

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Main Authors: Sohmen, Maximilian (Author) , Politi, Claudia (Author) , Klaus, Lauritz (Author) , Chomaz, Lauriane (Author) , Mark, Manfred J. (Author) , Norcia, Matthew A. (Author) , Ferlaino, Francesca (Author)
Format: Article (Journal)
Language:English
Published: 7 June 2021
In: Physical review letters
Year: 2021, Volume: 126, Issue: 23, Pages: 1-6
ISSN:1079-7114
DOI:10.1103/PhysRevLett.126.233401
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.126.233401
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.126.233401
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Author Notes:Maximilian Sohmen, Claudia Politi, Lauritz Klaus, Lauriane Chomaz, Manfred J. Mark, Matthew A. Norcia, and Francesca Ferlaino
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Summary:In the short time since the first observation of supersolid states of ultracold dipolar atoms, substantial progress has been made in understanding the zero-temperature phase diagram and low-energy excitations of these systems. Less is known, however, about their finite-temperature properties, particularly relevant for supersolids formed by cooling through direct evaporation. Here, we explore this realm by characterizing the evaporative formation and subsequent decay of a dipolar supersolid by combining high-resolution in-trap imaging with time-of-flight observables. As our atomic system cools toward quantum degeneracy, it first undergoes a transition from thermal gas to a crystalline state with the appearance of periodic density modulation. This is followed by a transition to a supersolid state with the emergence of long-range phase coherence. Further, we explore the role of temperature in the development of the modulated state.
Item Description:Gesehen am 30.07.2021
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.126.233401

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