'Higher energy states' diaporamas de présentation

Electronic structure

Electronic structure. Important question: Why certain materials are metals and others are insulators?

754 views • 63 slides

Dong

Dong. -. Sun Lee / cat. -. lab / SWU. 2010. -. Fall version. Chapter 25. Instruments for Optical Spectrometry. Components of Various Types of Instrument for Optical Spectroscopy. 1) Absorption measurement. 2) Fluorescence measurements. 3) Emission spectroscopy.

897 views • 59 slides

TCOM 503 Fiber Optic Networks

TCOM 503 Fiber Optic Networks. Spring, 2006 Thomas B. Fowler, Sc.D. Senior Principal Engineer Mitretek Systems. Topics for TCOM 503. Week 1: Overview of fiber optic communications Week 2: Brief discussion of physics behind fiber optics Week 3: Light sources for fiber optic networks

630 views • 44 slides

CHEM 938: Density Functional Theory

CHEM 938: Density Functional Theory. Electron Correlation. January 19, 2010. Electron Correlation. based on the variation principle :. Hartree-Fock energy. real ground state energy. why is the Hartree-Fock energy too high?. Hartree-Fock method uses a single Slater determinant wavefunction.

621 views • 42 slides

Lecture 9

Lecture 9. Bound states. Already done a lot to understand the basic particles of nature. Strong, weak,em ?. Lepton universality. Isospin singlets. 175000. Isospin multiplets. small. small. C-parity. small. Parity. CP. G-parity. Neutrino oscillations/mass. Quark composition.

513 views • 35 slides

697 views • 33 slides

The Birth, Life and Death of Stars

The Birth, Life and Death of Stars. How can we learn about the lives of stars when little changes except on timescales much longer than all of human history?

819 views • 30 slides

Solid State Physics 2

Solid State Physics 2. Section 10-3,4. Topics. Recap Free Electron Gas in Metals Quantum Theory of Conduction Heat Capacity of Electron Gas Summary. Recap. The number of particles (here electrons) with energy in the small interval E to E+dE is given by. E+dE E. where,.

736 views • 24 slides

atmosphere Definitions

atmosphere Definitions. APES 2013-2014. Troposphere.

305 views • 22 slides

Solid State Physics 3

Solid State Physics 3. Section 10-4,6. Topics. Heat Capacity of Electron Gas Band Theory of Solids Conductors, Insulators and Semiconductors Summary. Special Extra Credit. As can be seen from the graph, the prediction . fails at very low temperatures. This is due, in part, to the

790 views • 21 slides

Chapter 41 Conduction of Electricity in Solids

Chapter 41 Conduction of Electricity in Solids In this chapter we focus on a goal of physics that has become enormously important in the last half century. That goal is to answer the question: What are the mechanisms by which a material conducts or does not conduct electricity?

788 views • 20 slides

The Meaning of Absolute Zero

The Meaning of Absolute Zero. The Boltzmann distribution shows us what is special about absolute zero When T = 0 , All molecules in the system are in their lowest energy (ground) state.

208 views • 20 slides

16.451 Lecture 9: Inelastic Scattering and Excited States 2/10/2003

16.451 Lecture 9: Inelastic Scattering and Excited States 2/10/2003. Inelastic scattering refers to the process in which energy is transferred to the target, exciting internal degrees of freedom. Experimental Scenario: Electrons are detected in a spectrometer set at angle ?

308 views • 16 slides

CHAPTER 18: ELECTRICAL PROPERTIES

419 views • 16 slides

266 views • 13 slides

Free Electron Model for Metals

1.25k views • 12 slides

Lasers

Lasers. Instrument Resolution. If observing two distant objects, the diffraction patterns could overlap as shown. Without diffraction, there would be two bright spots on the screen. Resolving Power. The wavelength ( ? ) and the opening size ( D ) determine the resolving power.

454 views • 12 slides

Photosynthetic organisms

Photosynthetic organisms. Anoxygenic Photosynthesis Green and purple (sulfur and non-sulfur) bacteria and heliobacteria. Oxygenic Photosynthesis Cyanobacteria. Pigments. Light harvesting pigments Bacteriochlorophyll (bchl) for anoxygenic photosynthesis

560 views • 10 slides

Photosynthetic organisms

Photosynthetic organisms. Anoxygenic Photosynthesis Green and purple (sulfur and non-sulfur) bacteria and heliobacteria. Oxygenic Photosynthesis Cyanobacteria. Pigments. Light harvesting pigments Bacteriochlorophyll (bchl) for anoxygenic photosynthesis

374 views • 10 slides

Forensic Analysis of Blood using Luminol

Forensic Analysis of Blood using Luminol. Luminol. Redox reaction with oxygen in the presence of catalyst produces a bright blue glow. Used in forensic analysis for detection of blood Iron in hemoglobin acts as catalyst Other common catalysts Biological: copper and cyanide

409 views • 8 slides