- Position: Assistant Professor
- Office: Neckers 480
- Mailcode: 4401
- Phone: 618-453-2020
- Fax: 618-453-1056
- Email: echitamb (at) siu.edu
- Office Hours: T/R 9:00 AM - 12:00 PM
My primary area of research is quantum information theory, which is a field that studies how quantum mechanical properties can be used to enhance information processing. 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 understanding how the properties of entanglement lead to novel paradigms for information transmission. In particular, I am interested in answering the following questions: (i) How can entanglement be manipulated by parties who are working in physically separated laboratories but are able to communicate classically with one another, (ii) What different forms of entanglement can exist in multipartite systems, (iii) What is the relationship between quantum entanglement and private correlations in classical systems? ( (ii) in what meaningful ways can entanglement be quantified or measured, (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 general quantum resource theories, computational complexity theory, and classical information-theoretic security.
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