vibrational population

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• Vibrational energy relaxation — Vibrational energy relaxation, or vibrational population relaxation, is a process in which the population distribution of molecules in vibrationally quantum states of high energy level caused by an external perturbation returns to the Maxwell… …   Wikipedia

• Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… …   Wikipedia

• vibrational level population — virpesinių lygmenų užpilda statusas T sritis radioelektronika atitikmenys: angl. vibrational level population vok. Schwingungsniveaubesetzung, f rus. заселённость колебательных уровней, f pranc. population des niveaux vibrationnels, f …   Radioelektronikos terminų žodynas

• population des niveaux vibrationnels — virpesinių lygmenų užpilda statusas T sritis radioelektronika atitikmenys: angl. vibrational level population vok. Schwingungsniveaubesetzung, f rus. заселённость колебательных уровней, f pranc. population des niveaux vibrationnels, f …   Radioelektronikos terminų žodynas

• Infrared spectroscopy — (IR spectroscopy) is the subset of spectroscopy that deals with the infrared region of the electromagnetic spectrum. It covers a range of techniques, the most common being a form of absorption spectroscopy. As with all spectroscopic techniques,… …   Wikipedia

• Hot band — In molecular vibrational spectroscopy, a hot band (or hot transition) is a transition between two states of a single normal mode of vibration, neither of which is the overall ground state.[1] In infrared or Raman spectroscopy, hot bands refer to… …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Raman spectroscopy — Energy level diagram showing the states involved in Raman signal. The line thickness is roughly proportional to the signal strength from the different transitions. Raman spectroscopy (   …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• Heat capacity — Thermodynamics …   Wikipedia

• Specific heat capacity — Specific heat capacity, also known simply as specific heat, is the measure of the heat energy required to increase the temperature of a unit quantity of a substance by a certain temperature interval. The term originated primarily through the work …   Wikipedia