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Alex Kim

Condensed Matter Physicist

Caltech ยท Department of Physics

Quantum Materials Spectroscopy Superconductivity
52 Publications
3.4k Citations
15 Years

About

I am an experimental physicist studying the electronic properties of quantum materials. My research focuses on understanding how electrons collectively organize in complex systems, giving rise to phenomena like superconductivity and exotic magnetic states.

Using synchrotron-based X-ray techniques at facilities worldwide, I probe the momentum-space structure of strongly correlated electron systems with high precision.

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Education PhD MIT, 2012
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Position Associate Professor
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Award Sloan Fellow 2018

Research

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Unconventional Superconductors

Investigating pairing mechanisms in cuprate and nickelate systems using momentum-resolved spectroscopy.

Active
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Quantum Spin Liquids

Searching for fractionalized excitations in geometrically frustrated magnetic materials.

Active
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Topological Phases

Mapping protected surface states in topological insulators and Weyl semimetals.

Ongoing
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X-ray Techniques

Developing next-generation RIXS instrumentation with improved energy resolution.

Ongoing

Selected Publications

2024

Charge density wave competition in infinite-layer nickelates

Nature Physics

2024

Spinon Fermi surface in the organic spin liquid

Science

2023

Momentum-dependent gap in overdoped cuprates

Physical Review X

2023

Weyl fermions in magnetic topological semimetals

Nature Communications

View all publications โ†’

Teaching

Fall 2024

Ph 125 โ€” Quantum Mechanics

Graduate course covering advanced topics in quantum theory

Spring 2024

Ph 135 โ€” Condensed Matter Physics

Introduction to electronic structure and collective phenomena

Winter 2024

Ph 199 โ€” X-ray Scattering Lab

Hands-on course at synchrotron facilities

Contact

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Office Lauritsen 264
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Address 1200 E California Blvd, Pasadena, CA 91125