Coherent Spin Dynamics Of Radical Pairs In Weak Magnetic Fields PDF Download
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Author | : Hannah J. Hogben |
Publisher | : |
Total Pages | : |
Release | : 2011 |
Genre | : |
ISBN | : |
Download Coherent Spin Dynamics of Radical Pairs in Weak Magnetic Fields Book in PDF, ePub and Kindle
Author | : Alan Lewis |
Publisher | : Springer |
Total Pages | : 167 |
Release | : 2018-09-12 |
Genre | : Science |
ISBN | : 3030006867 |
Download Spin Dynamics in Radical Pairs Book in PDF, ePub and Kindle
This book sheds new light on the dynamical behaviour of electron spins in molecules containing two unpaired electrons (i.e. a radical pair). The quantum dynamics of these spins are made complicated by the interaction between the electrons and the many nuclear spins of the molecule; they are intractable using analytical techniques, and a naïve numerical diagonalization is not remotely possible using current computational resources. Hence, this book presents a new method for obtaining the exact quantum-mechanical dynamics of radical pairs with a modest number of nuclear spins. Readers will learn how a calculation that would take 13 years using conventional wavepacket propagation can now be done in 1 day, and will also discover a new semiclassical method for approximating the dynamics in the presence of many nuclear spins. The new methods covered in this book are shown to provide significant insights into three topical and diverse areas: charge recombination in molecular wires (which can be used in artificially mimicking photosynthesis), magnetoelectroluminescence in organic light-emitting diodes, and avian magnetoreception (how birds sense the Earth’s magnetic field in order to navigate).
Author | : Jiate Luo |
Publisher | : |
Total Pages | : 0 |
Release | : 2022 |
Genre | : |
ISBN | : |
Download Spin Dynamics of Radical Pairs in Magnetic Fields Book in PDF, ePub and Kindle
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Author | : Hisaharu Hayashi |
Publisher | : World Scientific Publishing Company |
Total Pages | : 267 |
Release | : 2004-03-08 |
Genre | : Science |
ISBN | : 9814365580 |
Download Introduction To Dynamic Spin Chemistry: Magnetic Field Effects On Chemical And Biochemical Reactions Book in PDF, ePub and Kindle
This book presents a detailed account of one of the most mysterious problems in science — whether ordinary magnetic fields can exert an appreciable influence on chemical and biochemical reactions. The first aim of the book is to introduce this research, through theoretical and dynamic spin chemistry, to graduate students and researchers, by means of detailed theoretical and experimental descriptions. The second aim is to review typical recent investigations, which will stimulate new interest and applications in the 21st century. Because dynamic spin chemistry is based on established science, it is expected to provide a guide for all situations in which radicals, radical pairs, and higher spin species occur, including the effects of environmental electromagnetic fields on the human body.
Author | : Masoud Mohseni |
Publisher | : Cambridge University Press |
Total Pages | : 421 |
Release | : 2014-08-07 |
Genre | : Science |
ISBN | : 1107010802 |
Download Quantum Effects in Biology Book in PDF, ePub and Kindle
Explores the role of quantum mechanics in biology for advanced undergraduate and graduate students in physics, biology and chemistry.
Author | : Giuseppe Pileio |
Publisher | : Royal Society of Chemistry |
Total Pages | : 216 |
Release | : 2022-06-13 |
Genre | : Science |
ISBN | : 1839166738 |
Download Lectures on Spin Dynamics Book in PDF, ePub and Kindle
This book consists of a series of lectures introducing what the author believes to be the theoretical minimum for the understanding of nuclear spin dynamics, the branch of physics underpinning magnetic resonance techniques such as NMR and MRI. Spin dynamics ultimately concern the study of the state and time evolution of systems made by a large collection of particles possessing spin, one of the most subtle and indeed fascinating concepts in relativistic quantum mechanics and whose understanding requires a mix of quantum mechanics, Hamiltonian dynamics and advanced mathematics. Written in the concise and direct style appropriate for university lectures, this book is addressed to both undergraduate and postgraduate students who are approaching magnetic resonance studies and want to reach the theoretical minimum required to understand the wider topic and its main applications. The book is suitable for researchers who work in the field of magnetic resonance and want to know more about its theoretical fundamentals. Finally, built as a complete set of 12 lectures and 4 workshops, the book can act as a solid reference to lecturers of magnetic resonance university modules. Trained in a world-leading research laboratory internationally recognised for its contributions to the NMR field, the author has a track record in theoretical and methodological developments of nuclear spin dynamics. In this book, he tries to merge his passion for the understanding of physics through its mathematical rendering with his personal quest for the elegance of a clean, clear and satisfactory explanation.
Author | : Dinesh Kumar Aswal |
Publisher | : Springer Nature |
Total Pages | : 700 |
Release | : |
Genre | : |
ISBN | : 9819727952 |
Download Handbook on Radiation Environment, Volume 1 Book in PDF, ePub and Kindle
Author | : P. Vasa |
Publisher | : Springer |
Total Pages | : 232 |
Release | : 2016-07-12 |
Genre | : Science |
ISBN | : 3319396145 |
Download Ultrafast Biophotonics Book in PDF, ePub and Kindle
This book presents emerging contemporary optical techniques of ultrafast science which have opened entirely new vistas for probing biological entities and processes. The spectrum reaches from time-resolved imaging and multiphoton microscopy to cancer therapy and studies of DNA damage. The book displays interdisciplinary research at the interface of physics and biology. Emerging topics on the horizon are also discussed, like the use of squeezed light, frequency combs and terahertz imaging as the possibility of mimicking biological systems. The book is written in a manner to make it readily accessible to researchers, postgraduate biologists, chemists, engineers, and physicists and students of optics, biomedical optics, photonics and biotechnology.
Author | : |
Publisher | : Elsevier |
Total Pages | : 512 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 044459826X |
Download Spin Waves and Magnetic Excitations Book in PDF, ePub and Kindle
Modern Problems in Condensed Matter Sciences, Volume 22.2: Spin Waves and Magnetic Excitations focuses on the processes, methodologies, reactions, principles, and approaches involved in spin waves and magnetic excitations, including magnetic systems, fluctuations, resonance, and spin dynamics. The selection first elaborates on spin-wave resonance in metals, excitations in low-dimensional magnetic systems, and the theory of magnetic excitations in disordered systems. Topics include spin waves in ferromagnets with weak fluctuations of the exchange interaction; dynamics of propagating excitations; models of two-dimensional magnetic systems; spin-wave resonance in bulk metals; and standing spin-wave resonance in thin films. The manuscript then ponders on spin dynamics of amorphous magnets and magnetic excitations in spin glasses, including dynamics in reentrant spin glasses, dynamics of classical spin glasses, spin dynamical theory, spin dynamics of locally isotropic materials, and effects of dilution. The book takes a look at nuclear spin and magnetoelastic excitations and magnetic impuritons in antiferromagnetic dielectric crystals. Discussions focus on coherent and incoherent impurity excitations, equations of motion and the energy of a magnetoelastic medium, magnetoelastic excitations near magnetic orientational phase transitions, and the effect of frequency pulling on the behavior of nuclear spin echo signals. The selection is a vital source of data for researchers interested in spin waves and magnetic excitations.
Author | : Claudine Lacroix |
Publisher | : Springer Science & Business Media |
Total Pages | : 682 |
Release | : 2011-01-12 |
Genre | : Science |
ISBN | : 3642105890 |
Download Introduction to Frustrated Magnetism Book in PDF, ePub and Kindle
The field of highly frustrated magnetism has developed considerably and expanded over the last 15 years. Issuing from canonical geometric frustration of interactions, it now extends over other aspects with many degrees of freedom such as magneto-elastic couplings, orbital degrees of freedom, dilution effects, and electron doping. Its is thus shown here that the concept of frustration impacts on many other fields in physics than magnetism. This book represents a state-of-the-art review aimed at a broad audience with tutorial chapters and more topical ones, encompassing solid-state chemistry, experimental and theoretical physics.