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                          <header>
                              <identifier>oai:research.chalmers.se:184074</identifier>
                              <datestamp>2018-05-29T11:05:31Z</datestamp>
                              <setSpec>openaire</setSpec>
                          </header>
                          <metadata>
                              <oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
                                  <dc:title>Charge Qubit Coupled to an Intense Microwave Electromagnetic Field in a Superconducting Nb Device: Evidence for Photon-Assisted Quasiparticle Tunneling</dc:title>
                                  <dc:identifier>https://research.chalmers.se/en/publication/184074</dc:identifier>
                                  <dc:date>2013</dc:date>
                                              <dc:creator>de Graaf, Sebastian Erik</dc:creator>
                                              <dc:creator>Leppäkangas, Juha</dc:creator>
                                              <dc:creator>Adamyan, Astghik</dc:creator>
                                              <dc:creator>Danilov, Andrey</dc:creator>
                                              <dc:creator>Lindström, Tobias</dc:creator>
                                              <dc:creator>Fogelström, Mikael</dc:creator>
                                              <dc:creator>Bauch, Thilo</dc:creator>
                                              <dc:creator>Johansson, Göran</dc:creator>
                                              <dc:creator>Kubatkin, Sergey</dc:creator>
                                                  <dc:subject>Condensed Matter Physics</dc:subject>
                                              <dc:subject>STATES</dc:subject>
                                              <dc:subject>ARTIFICIAL-ATOM</dc:subject>
                                          <dc:description>We study a superconducting charge qubit coupled to an intensive electromagnetic field and probe changes in the resonance frequency of the formed dressed states. At large driving strengths, exceeding the qubit energy-level splitting, this reveals the well known Landau-Zener-Stückelberg interference structure of a longitudinally driven two-level system. For even stronger drives, we observe a significant change in the Landau-Zener-Stückelberg pattern and contrast. We attribute this to photon-assisted quasiparticle tunneling in the qubit. This results in the recovery of the qubit parity, eliminating effects of quasiparticle poisoning, and leads to an enhanced interferometric response. The interference pattern becomes robust to quasiparticle poisoning and has a good potential for accurate charge sensing.</dc:description>
                                                                  <dc:relation>info:eu-repo/grantAgreement/EC/FP7/270369//ELectric Field control Over Spin molecules (ELFOS)/</dc:relation>
                                                  <dc:relation>info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevLett.111.137002</dc:relation>
                                          <dc:type>info:eu-repo/semantics/article</dc:type>
                                          <dc:source>Physical Review Letters (0031-9007) vol.111(2013)</dc:source>
                                                      <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:language>eng</dc:language>
                                  <dc:audience>Researchers</dc:audience>
                                  <dc:format>application/pdf</dc:format>
                              </oai_dc:dc>
                          </metadata>
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