theoretical cutoff

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• Cutoff (physics) — In theoretical physics, cutoff is an arbitrary maximal or minimal value of energy, momentum, or length, used in order that objects with larger or smaller values than these physical quantities are ignored in some calculation. It is usually… …   Wikipedia

• GZK-Cutoff — ist die nach den Physikern Kenneth Greisen [1], Georgiy Zatsepin und Vadim Kuzmin[2] benannte Obergrenze (engl. cutoff) für die Energie kosmischer Strahlung sehr weit entfernter Quellen. Diese Grenze wurde von ihnen im Jahre 1966 errechnet.… …   Deutsch Wikipedia

• Gzk cutoff — ist die nach den Physikern Kenneth Greisen [1], Georgiy Zatsepin und Vadim Kuzmin[2] benannte Obergrenze (engl. cutoff) für die Energie kosmischer Strahlung weitentfernter Quellen. Diese Grenze wurde von ihnen im Jahre 1966 errechnet. Teilchen,… …   Deutsch Wikipedia

• Downsampling — In signal processing, downsampling (or subsampling ) is the process of reducing the sampling rate of a signal. This is usually done to reduce the data rate or the size of the data. The downsampling factor (commonly denoted by M) is usually an… …   Wikipedia

• Mandrel wrapping — In multimode fiber optics, mandrel wrapping is a technique used to preferentially attenuate high order mode power of a propagating optical signal. Consequently, if the fibre is propagating substantial energy in affected modes, the modal… …   Wikipedia

• Quantum gravity — is the field of theoretical physics attempting to unify quantum mechanics, which describes three of the fundamental forces of nature (electromagnetism, weak interaction, and strong interaction), with general relativity, the theory of the fourth… …   Wikipedia

• Greisen–Zatsepin–Kuzmin limit — The Greisen–Zatsepin–Kuzmin limit (GZK limit) is a theoretical upper limit on the energy of cosmic rays (high energy charged particles from space) coming from distant sources. The limit is 5×1019 eV, or about 8 joules. The limit is set by slowing …   Wikipedia

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• Quantum field theory — In quantum field theory (QFT) the forces between particles are mediated by other particles. For instance, the electromagnetic force between two electrons is caused by an exchange of photons. But quantum field theory applies to all fundamental… …   Wikipedia

• Murray Bowen — Murray Bowen, M.D., (31 January 1913, Waverly, Tennessee 9 October 1990) was an American psychiatrist and a professor in Psychiatry at the Georgetown University. Bowen was among the pioneers of family therapy and founders of systemic therapy.… …   Wikipedia

• Molecular dynamics — (MD) is a computer simulation of physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a period of time, giving a view of the motion of the atoms. In the most common version, the trajectories of molecules… …   Wikipedia