Buenos Aires

For more than twenty years, two-dimensional electron gases (2DEG) continue to surprise us, and indeed remain at the center stage of modern condensed matter physics. Immediately following the discovery of the Two-Dimensional Metal-Insulator Transition (2D-MIT) in the 1990s, the beginning of the 21st century witnessed the birth of the fascinating new field of graphene. The dust of these discoveries had not even settled, when the finding of yet another startling class of 2DEG system, the metallic state in the LAO/STO, gave rise to the current burst of a novel 'alchemy' of artificial layered materials, with emergent behavior at oxide interfaces.

How many physical properties between these different but equally fascinating 2D systems are shared, and what is specific to a given material? What is the role of strong electronic correlations and disorder? Can novel forms of superconductivity be engineered by tweaking these systems?

To address those important questions and stimulate the exchange of ideas and fresh findings between these related but different research communities, we plan to bring together researchers from all these exciting areas. The list of invited speakers includes:

(Four additional short talks will be selected from the workshop participants)

Some of the topics that will be covered are: LAO/STO and oxide interfaces: 2DEG, photoemission, electrostatic doping, DMFT approaches, transport, multiferroic films, etc Other 2DEGs: graphene and MOSFETs. Correlation effects in 2DEGs, Wigner crystallization, Spin liquids. Other directions: Memristors and resistive switching, holographic duality and the Quantum Hall Effect, 2D atomic crystals.

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