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A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference.
There is also a one-volume McGraw-Hill Concise Encyclopedia of Science and Technology based on the full set. The sixth edition was published in May 2009 in twenty volumes including the "Index" (ISBN 9780071613668). [2] Further "Concise" editions for Chemistry or Engineering are available today. [3] [4]
Concise Encyclopedia of Supersymmetry and Noncommutative Structures in Mathematics and Physics is a fundamental authoritative text in specialized areas of contemporary mathematics and physics. This is an English language reference work which consists of around 800 original articles by around 280 scientists under the guidance of 23 advisory ...
As long as new physics appears below or around 10 14 GeV, the neutrino masses can be of the right order of magnitude. Theoretical and experimental research has attempted to extend the Standard Model into a unified field theory or a theory of everything , a complete theory explaining all physical phenomena including constants.
In physics, drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field. In general, an electron in a conductor will propagate randomly at the Fermi velocity, resulting in an average velocity of zero. Applying an electric field adds to this random motion a small net flow in one ...
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In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines field theory and the principle of relativity with ideas behind quantum mechanics. [1]: xi QFT is used in particle physics to construct physical models of subatomic particles and in condensed matter physics to construct models of quasiparticles.
[21] [22] This class consists of systems that can be decoupled to subsets of other solvable and simpler models by a symmetry transformation. The notable example is an arbitrary spin Hamiltonian H = g S x + b t S z {\textstyle H=gS_{x}+btS_{z}} , where S z and S x are spin operators, and S >1/2; b and g are constant parameters.