coherent control


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coherent control

n.
The use of coherent radiation, such as that generated by a laser, to change the behavior of atomic, molecular, or electronic systems, often to alter the likelihood of a chemical reaction.
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The field of coherent control provides techniques to manipulate laser-matter interactions.
Writing for mature students of chemistry and physics, they discuss such topics as weak-field coherent control, decoherence and its effects on controls, coherent control with quantum light, coherent control with few-cycle pulses, and case studies in optimal control.
The two principle challenges for new generation of spintronics devices are efficient injection of spins into various semiconductor nanostructures and coherent control of spin.
Other topics covered include dynamics of light harvesting in photosynthesis, quantum coherent control for nonlinear spectroscopy and microscopy, chirality in nonlinear optics, and active biological materials.
While frequency-domain stabilization had heretofore been the chief concern, there are additional applications--in coherent control, signal processing, and high-field physics--that also depend on long-term stabilization of the light field in the time domain.
NEC and JST researchers expect that a practical quantum computer is now a significant step closer with the development of coherent control of quantum states in a solid-state electron device.
Written by two of the world's leading researchers in the field, this is a systematic introduction to the fundamental principles of coherent control, and to the underlying physics and chemistry.
The SAW-induced modulation of the electro-optical properties of semiconductor structures is now been used for a wide range of applications including advanced sensors, the control of chemical processes, as well as the coherent control of carriers, spins, photons, and phonons down to the single-particle level.
The volume contains seven papers discussing: new advances in mid-infrared pulse shaping and its application to two-dimensional infrared-spectroscopy and ground-state coherent control, recent applications of local control theory to energy and particle transfer processes in molecules, dynamics of double photo- ionization in molecules and atoms, the electrified liquid-liquid interface, the physics of ultrathin solid-fluid-solid films from surface instabilities to isolated pockets of fluid, dynamics of thermotropic liquid crystals across the isotropic-nematic transition and their similarity with glassy relaxation in supercooled liquids, and a unified analytic theory of complex permittivity of ice Ih and of liquid water in far infrared.
Chapter 19 Coherent control and the future of ultra-short probing.
The COHERENT control framework has two unique features to deal with the insufficiency of current control solutions for inter-network coordination.
Among the topics are coherent control and de-coherence of charge states in quantum dots, the physics of carbon nanostructures, a full-potential local-orbital approach to the electronic structure of solids and molecules, and the theory of dynamical thermal transport coefficients in correlated condensed matter.
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