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- Eric Chitambar

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My primary area of research is in the subject of quantum information theory. As a relatively new field in science, quantum information involves the study of how quantum mechanical properties can be used in information processing tasks. For instance, quantum entanglement has been shown to produce some truly remarkable phenomena such as state teleportation and an exponential speed-up in computation time.

Much of my research deals with the theory of quantum entanglement and its mathematical structure. In particular, I am interested in answering four important questions: (i) what different forms of entanglement can exist in multipartite systems, (ii) in what meaningful ways can entanglement be quantified or measured, (iii) how can entanglement be manipulated by parties separated in different labs, and (iv) what types of quantum correlations exist beyond entanglement. A primary goal of my research is to better understand how nonlocality and entanglement differ as resources in quantum information processing. This objective extends toward the construction of new protocols for quantum communication and cryptography that utilize the complex structure of multipartite quantum systems. Additional areas of interest include computational complexity theory and physics education.

- 8/2012-Present: Assistant Professor Department of Physics, Southern Illinois University Carbondale, IL 62901
- 4/2012-8/2012: Postdoctoral Fellow The Perimeter Institute for Theoretical Physics Waterloo, ON N2L 2Y5
- 6/2010-3/2012: Postdoctoral Fellow Department of Physics, University of Toronto Toronto, ON M5S 1A7 Supervisor: Prof. Hoi-Kwong Lo

- Chitambar, E. "Quantum Correlations in Large-Dimensional States of High Symmetry," Phys. Rev. A 86, 032110 (2012).
- Chitambar, E., Cui, W., Lo, H.-K., "Increasing Entanglement Monotones by Separable Operations," Phys. Rev. Lett. 108, 240504 (2012).
- Chitambar, E., Cui, W., Lo, H.-K., "Entanglement monotones for W-type states," Phys. Rev. A 85, 062316 (2012).
- Chitambar, E. "Local Transformations Requiring Infinite Rounds of Classical Communication," Phys. Rev. Lett. 107, 190502 (2011).
- Cui, W., Chitambar, E., Lo, H.-K., "Randomly Distilling W-Class States into General Configurations of Two-Party Entanglement" Phys. Rev. A 84, 052301 (2011).
- Chitambar, E., Miller, C., Shi, Y., "Deciding Unitary Equivalence Between Matrix Polynomials and Sets of Bipartite Quantum States," Quant. Inf. Comp. 11, 0813 (2011).
- Chen, L., Chitambar, E., Modi, and K., Vacanti, G. "Multipartite Classical States and Detecting Quantum Discord," Phys. Rev. A 83, 020101 (R) (2011).
- Cui, W., Chitambar, E., Lo, H.-K., "Optimal Entanglement Transformations among N-Qubit W-Class States," Phys. Rev. A 82, 062314 (2010).
- Chen, L., Chitambar, E., Duan, R., Ji, Z., and Winter, A. "Tensor Rank and Stochastic Entanglement Catalysis for Multipartite Pure States," Phys. Rev. Lett. 105, 200501 (2010).
- Chitambar, E., Miller, C., and Shi, Y., "Matrix Pencils and Entanglement Classification" J. Math. Phys. 51, 072205 (2010).
- Chitambar, E., Duan, R., and Shi, Y., "Multipartite to Bipartite Entanglement Transformations and Polynomial Identity Testing," Phys. Rev. A 81, 052310 (2010).
- Chitambar, E. and Duan, R., "Nonlocal Entanglement Transformations Achievable by Separable Operations," Phys. Rev. Lett. 103, 110502 (2009).
- Chitambar, E., Duan, R., and Shi, Y., "Tripartite Entanglement Transformations and Tensor Rank," Phys. Rev. Lett. 101, 140502 (2008).

- "The Structure of LOCC Operations," Seefeld Quantum Information Workshop, Seefled, Austria.
- "Quantum Correlations in Large-Dimensional States of High Symmetry," APS March Meeting, Boston, USA.
- "Increasing Entanglement by Separable Operations and New Monotones for W-type Entanglement," Quantum Information Processing (QIP) 2012, Montreal, Canada.
- PIRSA:11120072, More Rounds of Measurement Increase the Abilities to Locally Transform Quantum States, 2011-12-07, Quantum Information

©2012 Institut Périmètre de Physique Théorique