Quantum state tomography of molecules by ultrafast diffraction.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
14 Sep 2021
14 Sep 2021
Historique:
received:
23
04
2021
accepted:
31
08
2021
entrez:
15
9
2021
pubmed:
16
9
2021
medline:
16
9
2021
Statut:
epublish
Résumé
Ultrafast electron diffraction and time-resolved serial crystallography are the basis of the ongoing revolution in capturing at the atomic level of detail the structural dynamics of molecules. However, most experiments capture only the probability density of the nuclear wavepackets to determine the time-dependent molecular structures, while the full quantum state has not been accessed. Here, we introduce a framework for the preparation and ultrafast coherent diffraction from rotational wave packets of molecules, and we establish a new variant of quantum state tomography for ultrafast electron diffraction to characterize the molecular quantum states. The ability to reconstruct the density matrix, which encodes the amplitude and phase of the wavepacket, for molecules of arbitrary degrees of freedom, will enable the reconstruction of a quantum molecular movie from experimental x-ray or electron diffraction data.
Identifiants
pubmed: 34521840
doi: 10.1038/s41467-021-25770-6
pii: 10.1038/s41467-021-25770-6
pmc: PMC8440554
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
5441Subventions
Organisme : National Science Foundation of China | National Natural Science Foundation of China-Yunnan Joint Fund (NSFC-Yunnan Joint Fund)
ID : 11974031
Organisme : Russian Foundation for Basic Research (RFBR)
ID : 20-02-00146
Organisme : National Science Foundation (NSF)
ID : PHY-1606619
Informations de copyright
© 2021. The Author(s).
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