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antiparallel spins

См. также в других словарях:

  • antiparallel — adjective Date: circa 1660 parallel but oppositely directed or oriented < antiparallel electron spins > < two antiparallel chains of nucleotides comprise DNA > …   New Collegiate Dictionary

  • relaxation phenomenon — ▪ physics and chemistry Introduction       in physics and chemistry, an effect related to the delay between the application of an external stress to a system that is, to an aggregation of matter and its response. It may occur in nuclear, atomic,… …   Universalium

  • Positronium — (Ps) is a system consisting of an electron and its anti particle, a positron, bound together into an exotic atom . Being unstable, the two particles annihilate each other to produce two gamma ray photons after an average lifetime of 125 ps or… …   Wikipedia

  • Exchange interaction — In physics, the exchange interaction is a quantum mechanical effect without classical analog which increases or decreases the expectation value of the energy or distance between two or more identical particles when their wave functions overlap.… …   Wikipedia

  • Liquid oxygen — This article is about the liquid form of the element oxygen. For the commercial product, see Liquid Oxygen (supplement). LOX redirects here. For other uses, see Lox (disambiguation). The blue colour of liquid oxygen in a dewar flask Liquid oxygen …   Wikipedia

  • Tetraoxygen — The tetraoxygen molecule (O4), also called oxozone, was first predicted in 1924 by Gilbert N. Lewis, who proposed it as an explanation for the failure of liquid oxygen to obey Curie s law.[1] Today it seems Lewis was off, but not by much:… …   Wikipedia

  • parapositronium — noun Used attributively to describe the state of a positronium exotic atom in which the positron and electron have antiparallel spins See Also: orthopositronium …   Wiktionary

  • para- — 1 or par [par′ə] [Gr para < para, at the side of, alongside < IE * pera , var. of * per , a going beyond > FAR, FORE] prefix 1. a) by the side of, beside, by, past, to one side, aside from, amiss [parathyroid, parasite] b) beyond… …   English World dictionary

  • Geometrische Frustration — (auch kurz als Frustration bezeichnet) ist ein Phänomen in der Physik kondensierter Materie, in der die geometrischen Eigenschaften eines Kristallgitters oder die Anwesenheit miteinander im Konflikt stehender atomarer Kräfte die gleichzeitige… …   Deutsch Wikipedia

  • Kernspintomographie: Kontrastreiche Schnittbilder des Körpers —   In der medizinischen Diagnostik werden verschiedene physikalische Erscheinungen herangezogen, um das Körperinnere ohne operativen Eingriff darzustellen. Während die Sonographie Bilder mithilfe von Ultraschall erzeugt, verwendet die Röntgen… …   Universal-Lexikon

  • Exchange Bias — Als Exchange Bias (EB) bezeichnet man eine unidirektionale Anisotropie (deshalb auch unidirectional exchange anisotropy genannt), die durch die Kopplung zwischen einem Ferro und einem Antiferromagneten entsteht. Der Exchange Bias bewirkt eine… …   Deutsch Wikipedia