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Symposium EQ14-Materials and Devices for Controlling Quantum-Coherent Spin Dynamics

Quantum information science relies on the isolation and control of complex, many-body configurations of quantum-mechanical states. Electronic and nuclear spins in solid-state materials are natural building blocks for quantum technologies, whether as memory or processing elements (qubits), transducers of classical fields (sensors), or coherent interfaces for quantum fields (e.g., as light-matter interfaces or magnonic quantum buses). Materials and device design principles that enable these quantum applications also underlie recent advances in efficient classical information technologies such as magnetic memory and spin logic. Quantum-coherent spin phenomena occur in various materials spanning semiconductors, metals, and insulators, and in morphologies spanning bulk three-dimensional crystals, two-dimensional sheets, optoelectronic devices and heterostructures, down to individual molecules. In all these materials, spins interact in complex ways with photons, phonons, and charge carriers, and they can be controlled using external fields in nanoscale devices amenable to realizing new technologies at scale. Improvements in materials synthesis, theory, computation, fabrication, and measurement techniques will facilitate the realization of increasingly complex heterostructure materials, devices, and experimental protocols that use spins to store, manipulate, and transduce quantum or classical information.

This symposium will bring together scientists researching spin dynamics across these diverse materials platforms, with an emphasis on emerging materials, new experimental and theoretical techniques, and cross-cutting device concepts that enable the control of spin dynamics for rapidly evolving information technologies.

Topics will include:

  • Quantum defects in insulators and wide-gap semiconductors
  • Coherent spin-photon interfaces: quantum dots, single defects, molecules
  • Spin and valley dynamics in two-dimensional semiconductors and van der Waals heterostructures
  • Spin and information transfer through hybrid materials interfaces
  • Quantum sensing and magnetometry with spin defects
  • Optically or electrically induced spin dynamics in nano-structures
  • Networks of coherent nuclear spins
  • Molecular magnets and nanomagnets
  • Coherent magnonics and coherent magnon/spin and magnon/photon coupling
  • Spin transport in oxides, semiconductors, and metals
  • Spin torque and spin torque devices
  • Manipulation of spin coherence and singlet/triplet dynamics in organic materials and devices

Invited Speakers:

  • Igor Aharonovich (University of Technology Sydney, Australia)
  • Guido Burkard (Universität Konstanz, Germany)
  • Sam Carter (U.S. Naval Research Laboratory, USA)
  • Nathalie de Leon (Princeton University, USA)
  • Vladimir Dyankonov (Julius-Maximilians-Universität Würzburg, Germany)
  • Sophia Economou (Virginia Tech, USA)
  • Ezekiel Johnston-Halperin (The Ohio State University, USA)
  • Shun Kanai (Tohoku University, Japan)
  • Helena Knowles (University of Cambridge, United Kingdom)
  • John Morton (University College London, United Kingdom)
  • Yoshichika Otani (RIKEN, Japan)
  • Tim Taminiau (Delft University of Technology, Netherlands)

Symposium Organizers

Lee Bassett
University of Pennsylvania
Electrical & Systems Engineering
USA

Marcus Doherty
The Australian National University
Australia

Danna Freedman
Northwestern University
Chemistry
USA

Bernhard Urbaszek
CNRS
France

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