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Susumu Takahashi

Assistant Professor of Chemistry and Physics and Astronomy

Contact Information
E-mail: susumu.takahashi@usc.edu
Phone: (213) 821-3187
Office: LJS 152

LINKS
Spin lab
 

Education

Ph.D. Physics, University of Florida, 2005
 

Postdoctoral Training

Postdoctoral Scholar, Department of Physics, UC Santa Barbara, 2006-2007  
 

Academic Appointment, Affiliation, and Employment History

Tenure Track Appointments

Assistant Professor, Department of Chemistry, University of Southern California, 2010-  
 

Non-Tenure Track Appointments

Project Scientist, Department of Physics, UC Santa Barbara, 2008-2010  
 

Description of Research

Summary Statement of Research Interests

Our research focuses on the quantum physics of spin systems. Nitrogen-vacancy (NV) impurity centers in diamond are well-isolated from their surrounding environment. NV centers exhibit long quantum coherence which allows us to observe quantum mechanics in the system. We utilize various magnetic resonance techniques to implement quantum gate operations in the NV centers to realize quantum-assisted applications such as an extremely sensitive magnetic sensor which enables imaging of a single electron and nuclear spin. We also apply electron spin magnetic resonance to image static and dynamic structure of biological molecules.
 

Research Keywords

magnetic resonance, quantum dynamics, quantum control, structure and function of proteins
 

Affiliations with Research Centers, Labs, and Other Institutions

Center for Quantum Information Science & Technology (CQIST), http://cqist.usc.edu/
 

Publications

Journal Article

Romanova, E. E., Akiel, R., Takahashi, S. (2013). Grafting nitroxide radicals on nanodiamond surface using click chemistry. J. Phys. Chem. A. Vol. 117, pp. 11933.
Wang, Z., Takahashi, S. (2013). Spin decoherence and electron spin bath noise of a nitrogen-vacancy center in diamond. Phys. Rev. B. Vol. 87, pp. 115122.
Takahashi, S., Brunel, L., Edwards, D. T., van Tol, J., Ramian, G., Han, S., Sherwin, M. S. (2012). Free-electron laser-powered pulsed electron paramagnetic resonance spectroscopy. Nature. Vol. 489, pp. 409-413.
Takahashi, S., Tupitsyn, I. S., van Tol, J., Beedle, C. C., Hendrickson, D. N., Stamp, P. C. (2011). Decoherence in crystals of quantum molecular magnets. Nature. Vol. 476, pp. 76.
Takahashi, S., Ramian, G., Sherwin, M. S. (2009). Cavity dumping of an injection-locked free-electron laser. Applied Physics Letters. Vol. 95, pp. 234102. Online publication
Takahashi, S., van Tol, J., Beedle, C. C., Hendrickson, D. N., Brunel, L., Sherwin, M. S. (2009). Coherent Manipulation and Decoherence of S=10 Single-Molecule Magnets. Physical Review Letters. Vol. 102, pp. 087603. Online publication
Takahashi, S., Hanson, R., van Tol, J., Sherwin, M. S., Awschalom, D. D. (2008). Quenching Spin Decoherence in Diamond through Spin Bath Polarization. Physical Review Letters. Vol. 101, pp. 047601. Online publication
Takahashi, S., Ramian, G., Sherwin, M., Brunel, L., van Tol, J. (2007). Submegahertz linewidth at 240 GHz from an injection-locked free-electron laser. Applied Physics Letters. Vol. 91, pp. 174102. Online publication
Takahashi, S., Hill, S., Takasaki, S., Yamada, J., Anzai, H. (2005). Periodic-orbit resonance in the quasi-1D organic superconductor (TMTSF)2ClO4. Physical Review B. Vol. 72, pp. 024540. Online publication
Takahashi, S., Hill, S. (2005). A rotating cavity for high-field angle-dependent microwave spectroscopy of low-dimensional conductors and magnets. Review of Scientific Instruments. Vol. 76, pp. 023114. Online publication
Takahashi, S., Edwards, R. S., North, J. M., Hill, S., Dalal, N. S. (2004). Discrete easy-axis tilting in Mn12-acetate, as determined by EPR: implications for the magnetic quantum tunneling mechanism. Physical Review B. Vol. 70 (9), pp. 094429. Online publication
 
 
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