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Coherent potential approximation — The coherent potential approximation (or CPA) is a method, in physics, of finding the Green s function of an effective medium. It is a useful concept in understanding how waves scatter in a material which displays spatial inhomogeneity. One… … Wikipedia
Muffin-tin approximation — Electronic structure methods Tight binding Nearly free electron model Hartree–Fock method Modern valence bond Generalized valence bond Møller–Plesset perturbation theory … Wikipedia
Coherent states — In quantum mechanics a coherent state is a specific kind of quantum state of the quantum harmonic oscillator whose dynamics most closely resembles the oscillating behaviour of a classical harmonic oscillator. It was the first example of quantum… … Wikipedia
CPA (disambiguation) — CPA is a three letter abbreviation with multiple meanings, as described below: General *Certified Public Accountants qualified accountant professionals in the United States and many other countries. *Certified Practising Accountants a member of… … Wikipedia
Balázs László Győrffy — is a Hungarian American British physicist. He was one of the pioneers of the application of the Korringa Kohn Rostoker Coherent Potential Approximation (KKR CPA) for first principle calculations of the electronic structure of alloys. [Author(s):… … Wikipedia
CPA — Die Abkürzung CPA steht für: Cathay Pacific Airways, ICAO Code der chinesischen Fluggesellschaft Carry Propagate Addierer, eine elektronische Schaltung der Digitaltechnik in Addierwerken Certified Public Accountant Chirped Pulse Amplification,… … Deutsch Wikipedia
Cpa — Die Abkürzung CPA steht für: Cathay Pacific Airways, ICAO Code der chinesischen Fluggesellschaft Certified Public Accountant Chirped Pulse Amplification, ein Verfahren zur Verstärkung von Laserpulsen Christliche Pfadfinderinnen und Pfadfinder der … Deutsch Wikipedia
CPA — aeronaut. abbr. Closest Point of Approach comp. abbr. Certified Public Account non cryst. solid abbr. Coherent Potential Approximation phot. abbr Concurrent Photon Amplification abbr. Collaboration Protocol Agreements (ebXML) comp. abbr.… … United dictionary of abbreviations and acronyms
Quantum decoherence — Quantum mechanics Uncertainty principle … Wikipedia
Non-topological soliton — In quantum field theory, a non topological soliton (NTS) is a field configuration possessing, contrary to a topological one, a conserved Noether charge and stable against transformation into usual particles of this field for the following reason … Wikipedia
