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Ecological responses of Amazonian forests to El Niño-induced surface fires

Jos Barlow and Carlos A. Peres

in Tropical Forests and Global Atmospheric Change

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198567066
eISBN:
9780191717888
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567066.003.0008
Subject:
Biology, Plant Sciences and Forestry

Over the last twenty years the combined effects of El Niñno-induced droughts and land-use change have greatly increased the frequency of fire incidents in humid tropical forests. Despite the ... More


Lattice QCD and nuclear physics

Sinya Aoki

in Modern Perspectives in Lattice QCD: Quantum Field Theory and High Performance Computing: Lecture Notes of the Les Houches Summer School: Volume 93, August 2009

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199691609
eISBN:
9780191731792
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199691609.003.0010
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter consists of three parts. In the first part, Lüscher's formula, which relates the scattering phase shift to the two particle energy in finite volume, is explained. A comprehensive but ... More


Scattering in three dimensions

Efstratios Manousakis

in Practical Quantum Mechanics: Modern Tools and Applications

Published in print:
2015
Published Online:
December 2015
ISBN:
9780198749349
eISBN:
9780191813474
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198749349.003.0019
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses scattering in three spatial dimensions. It introduces the concepts of the scattering amplitude and cross-section. The chapter discusses the Born approximation and how to ... More


The Classical-to-Semiclassical Connection

John A. Adam

in Rays, Waves, and Scattering: Topics in Classical Mathematical Physics

Published in print:
2017
Published Online:
May 2018
ISBN:
9780691148373
eISBN:
9781400885404
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691148373.003.0021
Subject:
Mathematics, Applied Mathematics

This chapter discusses the connection between the classical and semiclassical domains of scattering. Scattering phenomena may be described via three regimes: the scattering of waves by objects with ... More


The WKB(J) Approximation Revisited

John A. Adam

in Rays, Waves, and Scattering: Topics in Classical Mathematical Physics

Published in print:
2017
Published Online:
May 2018
ISBN:
9780691148373
eISBN:
9781400885404
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691148373.003.0022
Subject:
Mathematics, Applied Mathematics

This chapter reexamines the WKB(J) approximation and applies it to some simple one-dimensional potentials, with a focus on the case of a triangular barrier. It first considers the connection formulas ... More


Phase integral approximations

M. S. Child

in Semiclassical Mechanics with Molecular Applications

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199672981
eISBN:
9780191783227
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199672981.003.0002
Subject:
Physics, Atomic, Laser, and Optical Physics

Phase integral approximations express the quantum wavefunction in terms of the classical action integral, S(x)=∫p(x)dx.The main aim of the chapter is to highlight the strengths and weaknesses of the ... More


Atom–atom scattering

M. S. Child

in Semiclassical Mechanics with Molecular Applications

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199672981
eISBN:
9780191783227
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199672981.003.0009
Subject:
Physics, Atomic, Laser, and Optical Physics

Atom–atom scattering, as outlined by Ford and Wheeler, was the stimulus for later semiclassical advances. The equation, χ(E,l)=2(∂η/∂l), linking the classical deflection function to the derivative of ... More


Energy-Band Theory

Jürgen Kübler

in Theory of Itinerant Electron Magnetism, 2nd Edition

Published in print:
2021
Published Online:
October 2021
ISBN:
9780192895639
eISBN:
9780191915833
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780192895639.003.0003
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Various methods to calculate energy bands and the electronic structure of solids are described in detail. Although the emphasis lies on linear methods well known for their transparency and high ... More


Introduction

Helmut Rauch and Samuel A. Werner

in Neutron Interferometry 2nd Edn: Lessons in Experimental Quantum Mechanics, Wave-Particle Duality, and Entanglement

Published in print:
2015
Published Online:
March 2015
ISBN:
9780198712510
eISBN:
9780191780813
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198712510.003.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

Electromagnetic optical phenomena are generally understood via Maxwell’s equations for the electric and magnetic vector fields. Neutron optical phenomena are based upon de Broglie matter waves and ... More


Neutron Interactions and the Coherent Scattering Lengths

Helmut Rauch and Samuel A. Werner

in Neutron Interferometry 2nd Edn: Lessons in Experimental Quantum Mechanics, Wave-Particle Duality, and Entanglement

Published in print:
2015
Published Online:
March 2015
ISBN:
9780198712510
eISBN:
9780191780813
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198712510.003.0003
Subject:
Physics, Atomic, Laser, and Optical Physics

Neutron scattering lengths describe the neutron–nucleus interaction and are used as basic input parameters for many neutron scattering experiments in condensed matter physics. They are isotope and ... More


Gravitational, Inertial, and Motional Effects

Helmut Rauch and Samuel A. Werner

in Neutron Interferometry 2nd Edn: Lessons in Experimental Quantum Mechanics, Wave-Particle Duality, and Entanglement

Published in print:
2015
Published Online:
March 2015
ISBN:
9780198712510
eISBN:
9780191780813
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198712510.003.0008
Subject:
Physics, Atomic, Laser, and Optical Physics

The first experiment in which gravity and quantum mechanics play simultaneous important roles was carried out by Colella, Overhauser, and Werner (COW). This and subsequent versions of this experiment ... More


Consequences to reefs of changing environmental stress

Charles R. C. Sheppard, Simon K. Davy, Graham M. Pilling, and Nicholas A. J. Graham

in The Biology of Coral Reefs

Published in print:
2017
Published Online:
January 2018
ISBN:
9780198787341
eISBN:
9780191829420
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787341.003.0009
Subject:
Biology, Aquatic Biology, Ecology

A stable state in a healthy reef is a dynamic equilibrium which is maintained by interactions between different trophic groups and by a balance between growth and erosion, which is caused by weather ... More


Flow and Free Rhythm in Talib Kweli

Mitchell Ohriner

in Flow: The Rhythmic Voice in Rap Music

Published in print:
2019
Published Online:
September 2019
ISBN:
9780190670412
eISBN:
9780190670443
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190670412.003.0008
Subject:
Music, Theory, Analysis, Composition, Popular

Throughout his career, Talib Kweli has been called an “off-beat rapper.” Despite that highly derogatory comment, this chapter connects Kweli’s non-alignment with the underlying beat to earlier ... More


Dynamic Performance Characteristics, Part 1

Fred V. Brock and Scott J. Richardson

in Meteorological Measurement Systems

Published in print:
2001
Published Online:
November 2020
ISBN:
9780195134513
eISBN:
9780197561584
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195134513.003.0008
Subject:
Earth Sciences and Geography, Meteorology and Climatology

When the input to a sensor is changing rapidly, we observe performance characteristics that are due to the change in input and are not related to static performance characteristics. In this chapter ... More


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