Optical control of molecular dynamics
WebDec 1, 2000 · Optical control of molecular orientational dynamics in liquid crystals Authors: E. Brasselet Tigran Galstian Laval University Abstract A unified and self-consistent theory that describes the... WebSep 2, 2006 · Precise control of molecular dynamics with a femtosecond frequency comb. We present a general and highly efficient scheme for performing narrow-band Raman transitions between molecular vibrational levels using a coherent train of weak pump-dump pairs of shaped ultrashort pulses. The use of weak pulses permits an analytic description …
Optical control of molecular dynamics
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WebAug 14, 2024 · This understanding of how tuning optical excitations affect phonon populations and atomic motion is critical for efficiently controlling light-induced structural … WebJul 20, 1999 · To illustrate the concept of control, the effect of optical pulse duration on the vibrational dynamics of a tri-atomic molecule are discussed. The experimental and theoretical resources currently available are poised to make the dream of reaction control a reality for certain molecular systems.
WebDec 15, 2000 · Possibilities of all-optical control of molecular orientational dynamics using the light intensity and angular momentum are demonstrated. A simple experimental … WebLasers may used to generate external fields of varying intensity, phases, and spectral content, which then are used to alter the molecular dynamics of a system so as to generate more of a particular product. Control of reactions at this microscopic level is one of the hot areas of research in chemical physics.
WebDec 31, 2000 · It is a method that takes advantage of the quantum nature both of matter and of the incident light to encode quantum interference information into the molecular dynamics—that is, molecular... WebApr 12, 2024 · The wettability of a polymer surface─related to its hydrophobicity or tendency to repel water─can be crucial for determining its utility, such as for a coating or a purification membrane. While wettability is commonly associated with the macroscopic measurement of a contact angle between surface, water, and air, the molecular physics that underlie these …
WebFeb 24, 2000 · Optical control ideas have been successfully applied to problems ranging from atomic physics and gas-phase molecular dynamics, through solidstate physics and semiconductor device...
WebBy measuring the configurational mutual information between two disjoint intervals, we demonstrate the implications of the bound state formation on the entanglement dynamics of the system. Our observations provide key insights into the peculiar role of composite excitations in the non-equilibrium dynamics of quantum many-body systems. inches in a cubic meterWebAug 31, 1998 · We consider the control of molecular dynamics using tailored light fields, based on a phase space theory of control [Y. J. Yan et al., J. Phys. Chem. 97, 2320 … incoming message from starfleet commandWebAdvances in laser technology over the last 10-15 years have stimulated study of the active control of quantum molecular dynamics. Lasers may used to generate external fields of varying intensity, phases, and spectral content, which then are used to alter the molecular dynamics of a system so as to generate more of a particular product. inches in a cubic yardWebJun 25, 2024 · The coherent control of optical phonons has been experimentally demonstrated in various physical systems. While the transient dynamics for optical phonons can be explained by... incoming message mp3WebOct 13, 2006 · Dynamic Stark control (DSC) is experimentally demonstrated for a nonadiabatic photochemical reaction, showing substantial modification of reaction channel probabilities in the dissociation of IBr. The DSC process is nonperturbative and insensitive to laser frequency and affects all polarizable molecules, suggesting broad applicability. inches in a degreeWebOptical control of molecular dynamics 6563 state I2 wave packets with nonzero incoming momentum (a “molecular reflectron”), and the focusing of Na, wave packets at the turning … inches in a cmWebApr 13, 2024 · An infrared optical gas sensor is a type of gas sensor that utilizes the principles of infrared spectroscopy to detect and measure the concentration of gases in the atmosphere or in a specific ... inches in a cubic ft