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LASSP -  Laboratory of Atomic and Solid State Physics

Cornell Laboratory for Atomic and Solid State Physics

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Davis group reveals that magnetism makes Cooper pairs

Séamus Davis's group have finally supplied the first experimental proof that magnetic interactions mediate Cooper pairs.

Check out the Chronicle for more information as well as the article in PNAS 2014.

Quasiparticle interference imaging of heavy fermions reveals the momentum-space structure of the f-electron magnetism in CeCoIn5.

Mellnik and Ralph pioneer use of spin torque in efficient computer memory

Alex Mellnik and Dan Ralph, in partnership with Nitin Samarth at Penn State, have a novel approach to computer memory they call a "topological insulator." Using the spin orientation of electrons their approach could lead to memory devices that are 10 times more efficient than any other known methods.

Read more in Science Codex.

The atomic layers of the topological insulator bismuth selenide are visible in this high-resolution electron microscope image

Vaezi advances the quest for quantum computing

Abolhassan Vaezi, Bethe posdoctoral fellow in LASSP, has come up with a key piece of the theoretical puzzle in the quest for quantum computing.

Read about his work in the Chronicle.

Schematic setup of a fractional topological superconductor.

Remembering Geoffrey Chester

Geoffrey V. Chester, professor emeritus of physics and dean emeritus of Cornell’s College of Arts and Sciences, died June 27 at age 86 in Ithaca.

Chester's obituary is available in the Cornell Chronicle.

Geoffrey Chester

Christopher L. Henley Symposium - September 12, 2014

Announcing a Symposium and Celebration for the 59th birthday of Professor Christopher L. Henley. Join with Professor Henley, friends and colleagues as we celebrate his contributions to the field of theoretical solid state physics. Our international panel of speakers will cover topics inspired by Henley's work in biophysics, quasicrystals, frustration, and interacting electrons and numerical methods.

For the Program and Registration see www.lassp.cornell.edu/Henley14

Christopher Henley Symposium Sept 12, 2014

Mak, McEuen & McGill test out new semiconductor

Kin Fai Mak, Paul McEuen, Jiwoong Park (chemistry and chemical biology) and Kathryn McGill have tested out molybdenum disulfide as a seminconductor with the potential to create smaller, more efficient computers.

Read more in the Chronicle and the article in Science.

Atoms of molybdenum (gray) and sulfur (yellow) are shown in a two-dimensional crystal formation