An Introduction to Quantum Computing

By Edward Gerjuoy

University of Pittsburgh Dept. physics

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Edward Gerjuoy Edward Gerjuoy received his Ph.D. in theoretical physics from the University of California at Berkeley in 1942. After working on antisubmarine warfare problems during World War II he taught at several academic institutions, winding up at the University of Pittsburgh where he presently is Professor of Physics Emeritus, having been appointed professor in 1964. In 1977 he obtained a law degree, and thereafter for many years shared his time between physics and the law. As a scientist lawyer he has been Editor-in-Chief (1981-1986) of the American Bar Association (ABA) Journal of Law, Science and Technology. During his entire career, however, he also has devoted considerable time to the defense of human rights. In particular, he has several times served as Chair of the American Physical Society Committee on the International Freedom of Scientists, the APS human rights committee; he also was a member of the legal team that successfully defended Los Alamos scientist Wen Ho Lee against government charges of mishandling classified documents with the intent to injure the United States. He terminated his legal activities about five years ago, however, and since then has been devoting his full time to research on quantum computing theory. He is the author of over 100 papers in the physics literature, mainly on atomic collision theory, and about 30 papers on various physics and public policy topics.

His quantum computing/information publications include:
  • “Deterministic Dense Coding and Entanglement Entropy” (with P.S. Bourdon, J. P. McDonald and H.T. Williams), Phys. Rev. A77, 22305-1 thru 16 (2008).
  • “Popper’s Experiment and Communication” (with Andrew Sessler), a “Note and Discussion,” Am. J. Phys. 74, 643-648 (2006).
  • “Shor’s Factoring Algorithm and Modern Cryptography. An Illustration of the Capabilities Inherent in Quantum Computers, Am. J. Phys. 73, 521-540 (2005).
  • “Lower bound on entanglement of formation for the qubit-qudit system,” Phys. Rev. A67, 52308-1 thru 10 (2003).

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  • Edward Gerjuoy (2008), "An Introduction to Quantum Computing,"

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Physics 223, Purdue University, West Lafayette, IN