Quantum Electrodynamics of Photosynthesis

Quantum Electrodynamics of Photosynthesis
Title Quantum Electrodynamics of Photosynthesis PDF eBook
Author Artur Braun
Publisher Walter de Gruyter GmbH & Co KG
Pages 458
Release 2020-10-12
Genre Science
ISBN 3110629941

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This book uses an array of different approaches to describe photosynthesis, ranging from the subjectivity of human perception to the mathematical rigour of quantum electrodynamics. This interdisciplinary work draws from fields as diverse as astronomy, agriculture, classical and quantum optics, and biology in order to explain the working principles of photosynthesis in plants and cyanobacteria.

At the Edge of Uncertainty

At the Edge of Uncertainty
Title At the Edge of Uncertainty PDF eBook
Author Michael Brooks
Publisher Profile Books
Pages 324
Release 2014-06-26
Genre Science
ISBN 1847659667

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The atom. The Big Bang. DNA. Natural selection. All ideas that have revolutionised science - and that were dismissed out of hand when they first appeared. The surprises haven't stopped: here, Michael Brooks, bestselling author of 13 Things that Don't Make Sense, investigates the new wave of unexpected insights that are shaping the future of scientific discovery. Through eleven radical new insights, Brooks takes us to the extreme frontiers of what we understand about the world. He journeys from the observations that might rewrite our history of the universe, through the novel biology behind our will to live, and on to the physiological root of consciousness. Along the way, he examines how the underrepresentation of women in clinical trials means that many of the drugs we use are less effective on women than men and more likely to have adverse effects, explores how merging humans with other species might provide a solution to the shortage of organ donors, and finds out if there is such a thing as the will to live. When we think about science, we often think of iron-clad facts. But today more than ever, our unshakeable truths have been shaken apart. As Michael Brooks reveals, the best science is about open-mindedness, imagination and a love of mind-boggling adventures at the edge of uncertainty.

Light Harvesting in Photosynthesis

Light Harvesting in Photosynthesis
Title Light Harvesting in Photosynthesis PDF eBook
Author Roberta Croce
Publisher CRC Press
Pages 778
Release 2018-01-12
Genre Science
ISBN 1351242873

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This landmark collective work introduces the physical, chemical, and biological principles underlying photosynthesis: light absorption, excitation energy transfer, and charge separation. It begins with an introduction to properties of various pigments, and the pigment proteins in plant, algae, and bacterial systems. It addresses the underlying physics of light harvesting and key spectroscopic methods, including data analysis. It discusses assembly of the natural system, its energy transfer properties, and regulatory mechanisms. It also addresses light-harvesting in artificial systems and the impact of photosynthesis on our environment. The chapter authors are amongst the field’s world recognized experts. Chapters are divided into five main parts, the first focused on pigments, their properties and biosynthesis, and the second section looking at photosynthetic proteins, including light harvesting in higher plants, algae, cyanobacteria, and green bacteria. The third part turns to energy transfer and electron transport, discussing modeling approaches, quantum aspects, photoinduced electron transfer, and redox potential modulation, followed by a section on experimental spectroscopy in light harvesting research. The concluding final section includes chapters on artificial photosynthesis, with topics such as use of cyanobacteria and algae for sustainable energy production. Robert Croce is Head of the Biophysics Group and full professor in biophysics of photosynthesis/energy at Vrije Universiteit, Amsterdam. Rienk van Grondelle is full professor at Vrije Universiteit, Amsterdam. Herbert van Amerongen is full professor of biophysics in the Department of Agrotechnology and Food Sciences at Wageningen University, where he is also director of the MicroSpectroscopy Research Facility. Ivo van Stokkum is associate professor in the Department of Physics and Astronomy, Faculty of Sciences, at Vrije Universiteit, Amsterdam.

Beyond Weird

Beyond Weird
Title Beyond Weird PDF eBook
Author Philip Ball
Publisher University of Chicago Press
Pages 382
Release 2018-10-18
Genre Science
ISBN 022655838X

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“Anyone who is not shocked by quantum theory has not understood it.” Since Niels Bohr said this many years ago, quantum mechanics has only been getting more shocking. We now realize that it’s not really telling us that “weird” things happen out of sight, on the tiniest level, in the atomic world: rather, everything is quantum. But if quantum mechanics is correct, what seems obvious and right in our everyday world is built on foundations that don’t seem obvious or right at all—or even possible. An exhilarating tour of the contemporary quantum landscape, Beyond Weird is a book about what quantum physics really means—and what it doesn’t. Science writer Philip Ball offers an up-to-date, accessible account of the quest to come to grips with the most fundamental theory of physical reality, and to explain how its counterintuitive principles underpin the world we experience. Over the past decade it has become clear that quantum physics is less a theory about particles and waves, uncertainty and fuzziness, than a theory about information and knowledge—about what can be known, and how we can know it. Discoveries and experiments over the past few decades have called into question the meanings and limits of space and time, cause and effect, and, ultimately, of knowledge itself. The quantum world Ball shows us isn’t a different world. It is our world, and if anything deserves to be called “weird,” it’s us.

Quantum Technologies

Quantum Technologies
Title Quantum Technologies PDF eBook
Author Rainer Müller
Publisher Walter de Gruyter GmbH & Co KG
Pages 224
Release 2023-11-06
Genre Science
ISBN 311071745X

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Optical Properties of Photonic Crystals

Optical Properties of Photonic Crystals
Title Optical Properties of Photonic Crystals PDF eBook
Author Kazuaki Sakoda
Publisher Springer
Pages 230
Release 2013-11-11
Genre Science
ISBN 3662143240

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Deals not only with the properties of the radiation modes inside the crystals but also with their peculiar optical response to external fields. A general theory of linear and nonlinear optical response is presented in a clear and detailed fashion using the Green’s function method. Important recent developments such as the enhancement of stimulated emission, second harmonic generation, quadrature-phase squeezing, and low-threshold lasing are likewise treated in detail and made understandable. Numerical methods are also emphasised. This book provides both introductory knowledge for graduate and undergraduate students and important ideas for researchers.

Quantum Adaptivity in Biology: From Genetics to Cognition

Quantum Adaptivity in Biology: From Genetics to Cognition
Title Quantum Adaptivity in Biology: From Genetics to Cognition PDF eBook
Author Masanari Asano
Publisher Springer
Pages 185
Release 2015-04-14
Genre Science
ISBN 9401798192

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This book examines information processing performed by bio-systems at all scales: from genomes, cells and proteins to cognitive and even social systems. It introduces a theoretical/conceptual principle based on quantum information and non-Kolmogorov probability theory to explain information processing phenomena in biology as a whole. The book begins with an introduction followed by two chapters devoted to fundamentals, one covering classical and quantum probability, which also contains a brief introduction to quantum formalism, and another on an information approach to molecular biology, genetics and epigenetics. It then goes on to examine adaptive dynamics, including applications to biology, and non-Kolmogorov probability theory. Next, the book discusses the possibility to apply the quantum formalism to model biological evolution, especially at the cellular level: genetic and epigenetic evolutions. It also presents a model of the epigenetic cellular evolution based on the mathematical formalism of open quantum systems. The last two chapters of the book explore foundational problems of quantum mechanics and demonstrate the power of usage of positive operator valued measures (POVMs) in biological science. This book will appeal to a diverse group of readers including experts in biology, cognitive science, decision making, sociology, psychology, and physics; mathematicians working on problems of quantum probability and information and researchers in quantum foundations.