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This thesis focuses on theoretical analysis of the sophisticated ultrafast optical experiments that probe the crucial first few picoseconds of quantum light harvesting, making an important contribution to quantum biology, an exciting new field at the intersection of condensed matter, physical chemistry and biology. It provides new insights into the role of vibrational dynamics during singlet fission of organic pentacene thin films, and targeting the importance of vibrational dynamics in the design of nanoscale organic light harvesting devices, it also develops a new wavelet analysis technique to probe vibronic dynamics in time-resolved nonlinear optical experiments. Lastly, the thesis explores the theory of how non-linear “breather” vibrations are excited and propagate in the disordered nanostructures of photosynthetic proteins. .
Quantum electrodynamics. --- Picosecond pulses. --- Photosynthesis --- Molecular aspects. --- Picosecond phenomena --- Pulses, Picosecond --- Ultrafast phenomena --- Electrodynamics, Quantum --- QED (Physics) --- Physics. --- Energy harvesting. --- Bioorganic chemistry. --- Atomic structure. --- Molecular structure. --- Spectra. --- Surfaces (Physics). --- Interfaces (Physical sciences). --- Thin films. --- Spectroscopy. --- Microscopy. --- Spectroscopy and Microscopy. --- Biological and Medical Physics, Biophysics. --- Bioorganic Chemistry. --- Energy Harvesting. --- Atomic/Molecular Structure and Spectra. --- Surface and Interface Science, Thin Films. --- Molecular biology --- Laser pulses, Ultrashort --- Quantum field theory --- Schwinger action principle --- Bio-organic chemistry --- Biological organic chemistry --- Biochemistry --- Chemistry, Organic --- Biophysics. --- Biological physics. --- Atomic structure . --- Molecular structure . --- Films, Thin --- Solid film --- Solid state electronics --- Solids --- Surfaces (Technology) --- Coatings --- Thick films --- Surface chemistry --- Surfaces (Physics) --- Physics --- Structure, Molecular --- Chemical structure --- Structural bioinformatics --- Structure, Atomic --- Atomic theory --- Energy scavenging --- Harvesting, Energy --- Power harvesting --- Force and energy --- Power resources --- Biological physics --- Biology --- Medical sciences --- Analysis, Microscopic --- Light microscopy --- Micrographic analysis --- Microscope and microscopy --- Microscopic analysis --- Optical microscopy --- Optics --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectrometry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Radiation --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Qualitative --- Analytical chemistry
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supports the death penalty, that half of all marriages end in divorce, and that four out of five prefer a particular brand of toothpaste. But remarkably, such data--now woven into our social fabric--became common currency only in the last century. With a bold and sophisticated analysis, Sarah Igo demonstrates the power of scientific surveys to shape Americans' sense of themselves as individuals, members of communities, and citizens of a nation.
Social surveys --- National characteristics, American. --- Enquêtes sociales --- Caractéristiques nationales américaines --- History --- Histoire --- 20e siecle --- United States --- Etats-Unis --- Social conditions --- Conditions sociales --- National characteristics, American --- 308 <73> --- 308 <73> Sociografie. Sociaal economische geografie. Sociale toestand--Verenigde Staten van Amerika. VSA. USA --- Sociografie. Sociaal economische geografie. Sociale toestand--Verenigde Staten van Amerika. VSA. USA --- Social surveys - United States - History - 20th century --- United States - Social conditions - 20th century --- Identity (Psychology)
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"How to live with difference-not necessarily in peace, but with resilience, engagement, and a lack of vitriol-is a defining worry in America at this moment. The poets, fiction writers, and essayists (plus one graphic novelist) who contributed to Welcome to the Neighborhood don't necessarily offer roadmaps to harmonious neighboring. Some of their narrators don't even want to be neighbors. Maybe they grieve, or rage. Maybe they briefly find resolution or community. But they do approach the question of what it means to be neighbors, and how we should do it, with open minds and nuance. The many diverse contributors give this collection a depth beyond easy answers. Their attentions to the theme of neighborliness as an ongoing evolution offer hope to readers: possible pathways for rediscovering community, even just by way of a shared wish for it. The result is an enormously rich resource for the classroom and for anyone interested in reflecting on what it means to be American today, and how place and community play a part"--
Neighborliness --- Community life --- American literature --- Friendship --- Associations, institutions, etc. --- Human ecology
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