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University of Florida - University of Missouri
University of Florida - University of Missouri

... We can define the following contracted two-electron creation and annihilation operators according to the SVD of the approximate amplitude. ...
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c 2012 by Sarang Gopalakrishnan. All rights reserved.

... First things first: I was exceedingly lucky to have had Paul Goldbart for an advisor. The extent of this good fortune is only clear in retrospect. Working with Paul was always enjoyable—he had something unexpected and interesting to say about almost anything, and was always encouraging—but I did not ...
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... Quantum cryptography and classical cryptography essentially deal with the same tasks, such as, just to mention a few, private communication, message authentication, zero knowledge proofs etc. The big difference is that the communication is done using qubits instead of classical bits. Due to the basi ...
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Scalar field theory

In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A scalar field is invariant under any Lorentz transformation.The only fundamental scalar quantum field that has been observed in nature is the Higgs field. However, scalar quantum fields feature in the effective field theory descriptions of many physical phenomena. An example is the pion, which is actually a pseudoscalar.Since they do not involve polarization complications, scalar fields are often the easiest to appreciate second quantization through. For this reason, scalar field theories are often used for purposes of introduction of novel concepts and techniques.The signature of the metric employed below is (+, −, −, −).
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