Condensed Matter Physics Seminar

Condensed Matter Physics Seminar

Wednesday, April 5 @ 4pm

Mayer Room (Mayer 4322)

 

Kieron Burke, Departments of Physics and of Chemistry, UC Irvine.

Title:  Density functional theory: A great physics success story?

Abrstact: Density functional theory has become a crucial tool for modern

electronic structure calculations in many areas of science, being used

in at least 30,000 scientific papers per year.   The first half of this seminar will

be a broad overview.   I will explain what DFT is,

how it has evolved to its present state, and what are some of its main challenges.

 

In the second half, I will focus on the failures of standard DFT calculations

for strongly correlated materials.  In an ongoing collaboration with Steve White

(UCI physics), I will show how we use the very powerful quantum solver, density

matrix renormalization group (DMRG) to find the exact functional of DFT and

explore the limitations of present-day approximations.

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