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[Fizinfo] Szemináriumok - Seminars: Kyungwha Park

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  • From: Szeminárium koordinátor <sem-admin AT>
  • To: SZFI Szeminárium <seminar AT>,Fizinfo <fizinfo AT>
  • Cc: Fizinfo <fizinfo AT>
  • Subject: [Fizinfo] Szemináriumok - Seminars: Kyungwha Park
  • Date: Thu, 2 Dec 2021 06:00:01 +0100 (CET)
  • Authentication-results: (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)"

SZFI SeminarKyungwha ParkVirginia Tech (host: Újfalussy
Balázs)Lanthanide-based magnetic molecules for quantum information science
applicationsTuesday, 7 December 2021, 10:00, Bldg. 1, auditorium,
Meeting ID: 969 3874 4606 Passcode: 476599Recently, quantum logic gates and
quantum algorithms have been experimentally realized within some magnetic
molecules including single-molecule magnets. For such applications, either
molecular electronic levels or nuclear levels can be used for quantum bits
and they can be read, operated, or written using magnetic or electric fields.
In particular, lanthanide-based single-molecule magnets are promising for
such applications due to strong spin-orbit coupling, molecular geometry
compatible to devices, and tunability of coupling between electron and
nuclear spins via external means. Motivated by the recent experimental work,
we investigate the interaction between the electronic magnetic moment and the
lanthanide-element nuclear spin in trivalent and divalent terbium-based
single-molecule magnets with and without an electric field, using
multiconfigurational ab-initio methods (quantum chemistry methods) including
spin-orbit coupling. We show that trivalent and divalent terbium-based
molecules have different types of dominant contributions to the magnetic
hyperfine interaction, and that the principal axes of the nuclear quadrupole
interaction are not necessarily parallel to those of the magnetic axes. We
further examine how the magnetic hyperfine and nuclear quadrupole
interactions are influenced by the electric field in the terbium-based
single-molecule magnets, as a function of the magnitude and direction of the
electric field.&nbsp;Minden érdeklődőt szívesen látunk! - Everyone is welcome
to attend.Róbert Juhászsem-admin AT

  • [Fizinfo] Szemináriumok - Seminars: Kyungwha Park, Szeminárium koordinátor, 12/02/2021

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