dc.contributor.author
Somhorst, F. H. B.
dc.contributor.author
van der Meer, R.
dc.contributor.author
Correa Anguita, M.
dc.contributor.author
Schadow, Riko
dc.contributor.author
Snijders, H. J.
dc.contributor.author
de Goede, M.
dc.contributor.author
Kassenberg, B.
dc.contributor.author
Venderbosch, P.
dc.contributor.author
Eisert, Jens
dc.contributor.author
Walk, Nathan
dc.date.accessioned
2023-07-03T06:07:35Z
dc.date.available
2023-07-03T06:07:35Z
dc.identifier.uri
https://refubium.fu-berlin.de/handle/fub188/39937
dc.identifier.uri
http://dx.doi.org/10.17169/refubium-39659
dc.description.abstract
One of the core questions of quantum physics is how to reconcile the unitary evolution of quantum states, which is information-preserving and time-reversible, with evolution following the second law of thermodynamics, which, in general, is neither. The resolution to this paradox is to recognize that global unitary evolution of a multi-partite quantum state causes the state of local subsystems to evolve towards maximum-entropy states. In this work, we experimentally demonstrate this effect in linear quantum optics by simultaneously showing the convergence of local quantum states to a generalized Gibbs ensemble constituting a maximum-entropy state under precisely controlled conditions, while introducing an efficient certification method to demonstrate that the state retains global purity. Our quantum states are manipulated by a programmable integrated quantum photonic processor, which simulates arbitrary non-interacting Hamiltonians, demonstrating the universality of this phenomenon. Our results show the potential of photonic devices for quantum simulations involving non-Gaussian states.
en
dc.format.extent
10 Seiten
dc.rights.uri
https://creativecommons.org/licenses/by/4.0/
dc.subject
Quantum information
en
dc.subject
Quantum optics
en
dc.subject
Quantum simulation
en
dc.subject.ddc
500 Naturwissenschaften und Mathematik::530 Physik::530 Physik
dc.title
Quantum simulation of thermodynamics in an integrated quantum photonic processor
dc.type
Wissenschaftlicher Artikel
dcterms.bibliographicCitation.articlenumber
3895
dcterms.bibliographicCitation.doi
10.1038/s41467-023-38413-9
dcterms.bibliographicCitation.journaltitle
Nature Communications
dcterms.bibliographicCitation.volume
14
dcterms.bibliographicCitation.url
https://doi.org/10.1038/s41467-023-38413-9
refubium.affiliation
Physik
refubium.affiliation.other
Dahlem Center für komplexe Quantensysteme
refubium.funding
Springer Nature DEAL
refubium.note.author
Die Publikation wurde aus Open Access Publikationsgeldern der Freien Universität Berlin gefördert.
refubium.resourceType.isindependentpub
no
dcterms.accessRights.openaire
open access
dcterms.isPartOf.eissn
2041-1723