Search for tag: "particle physics"

From Particles to Quasiparticles - Understanding and Measuring Interactions by ARPES. (Shen)

2019 Cornell Summer School

optical spectroscopyinteracting band structuresingle electronscatteringenergy momentumconversion factoroverlap integralsystems theorysystemsm.b.e.special functionsfield theoryphoto electronnuclear physicsenergy distribution curvephoto motionelectronphoto mission experimentcomplex functionelectronicsiraq functionspectral functionenergy scalesphoto missionelementary special functionsbinding energyfairly weakspecific measurementsphilosophical terminologydelta functionelectric and magnetic fields in matterincoherent backgroundparticle physicssingle particle spectralslowly varyingdistribution curveextreme versionlarge datacritical aspectmatrix elementenergy resolutionvarying functionfree electron gasmagnetismlocal objectphoto mission processlegal documentsfree electrontotal energy resolutioncommon lawpopular answerinteracting systemlow energykey thingcutoff frequencycollective modespecific heatvibrational modesystems sciencecolorcommunicationbioinformaticsmeasure interactionseducational assessment and evaluationcyberneticstranscription factorsquantum mechanicsmain thingelectron phoneband structuretypes of functionsgamma factorimaginary partselectronics terminologylong storybasically analyzeenergy dependent broadeninglab sessionblah blah blahband dispersiondidacticselectron photonelectron electron interactiondirect gapmomentum spacephysical quantitiescondensed matter physicsdensity functional theoryelectron bowsphoto mission intensityspectroscopyenergy windowstep functionclear signatureplasma physicsenergy (physics)ultra high vacuummission processspin wavestrong couplingcaption completedirectly calculateplasma frequencyd.s.t.d.f.t.high energyfermi–dirac statisticselectron voltsresolution functionsharp kinkelectronic band structuresgeneralized functionsliquid theorytotal wasteliquid interactionsmission experimentfermi leveleducational psychologylegal terms1000000 electron voltswritingbroad peakevaluation methodselectron vibrational interactionswave function
From  James Overhiser on August 7th, 2019 7 plays

Valence EELS, High Energy Resolution

2017 PARADIM SUMMER SCHOOL Low loss EELS David Muller

optical spectroscopyformal sciencesconcepts in physicssilicon richsilicon dioxidechemical elementsband gapscatteringelectron densitylowest energy featurereducing agentsvalence electronsquick rulepyrotechnic fuelselectron microscopewaveguide modenuclear physicspercent radiuselectronreal troubledielectric boundary conditionsnice bigfactorial and binomial topicstightly boundelectric fieldspatial resolutionsingle scatteringopticssample thicknessinterface plasmanano particlesoptical gapdirect bandgapphosphatesparticle physicsfluid dynamicshigh energy electronatomic physicsdielectric responsesbiology and pharmacology of chemical elementsliquid cellmultiple scatteringelectron beamenergy resolutiontiny signalsingle particle transitioncherenkov radiationelectron gasfree electron gasoptical transitionenergy lossenergy lostcharacteristic anglefree electronicenergy filterlow energycharge oscillationsvalence regionsurface plasmatoxicologyfree pathsilicon oxideoptical spectrabulk materialexit haitiancall auspexfourier analysisquantum mechanicsbig backgroundimage chargeelectrostaticslastic scatteringnice thinginteresting standing wavebessel functionboundary conditionsion imagesingle particlestanding wave modesfunny featureelectron statesscattering eventdirect gapgood free electronphysical quantitiesenergy loss functionvector calculusdietary mineralsabsorption and radiative transfer (optics)electrical engineeringthick samplefield lineslength scaleelectronics terminologyelectrodynamicsphoria transformradiation sensitivecaption completehofplasma frequencylog scaleexperimental particle physicshof epsilonsemiconductor materialshigher energyhigh frequencyatomic resolutioninterface modegood newsharmonic oscillatorspecial relativitydielectric functiondiverges logarithmicallyshine lightcouple 100 voltt.m.incredibly complicatedbad newselectromagnetismenergy rangecherenkov modes100 voltspherical modeslinear operators in calculuschemistrybulk plasma
From  James Overhiser on February 15th, 2019 14 plays

Electron Tomography - Theory

2017 PARADIM SUMMER SCHOOL Tomography Theory Ercius

cartesian spacedimensional spacedimensional thingscale tomographydimensional reconstructionprojection requirementsolutionsextremely high resolutionoriginal imagephysical sciencemaximum tiltingtilt serieslong timeelectron microscopyelectron tomographycompressed sensinginverse nanometersscientific techniquesdimensional structurematerials scienceequal anglesignal processingconcepts in physicsphotographylow dose1st thingpoint defecthigher frequencysingle projectiondiffraction patternpretty goodmicroscopyneedle samplebig differencefree transformoriginal objectspatial frequencyvisioncarbon atomreal spaceadam countingreciprocal spaceemerging technologiescatf.f.t.dimensional imageperfect projectionsoriginal projectionatomic physicsprojected densityexperimental projectionsnano particlesstemmedical imaginghigh resolutioncarbongood reconstructionoriginal projection directionunique objectaberration correctedatomic scalebeam electronsexperimental datatilt axisoriginal intensitynanometer depthpseudo polarmicroscopesreconstruction techniqueprojection operationlow frequencyradio spectrumequally slope tomographyquantum mechanicskinematicsconcentric squarescat scanhigher dimensionalquantum dotanalytic geometryiterative loopentire imageequal distanceiterative algorithmclassical mechanicsdigital photographycalled equally slopelinear algebragrand challengesingle particlesimpler interpellationdimensional objectgeometry limitationhigh tiltsnano scalephoria transformenglish alternative rock groupsresolution tomographyreconstruction packagesbuilding blockcaption completedigital geometrycomputer graphicsfree spacereconstruction algorithmimprove reconstructionshigh frequencyatomic resolutionprojection imageshell particlecohen resolutiondimensional picturesine wavecrystallographic defectst.m.advanced algorithmsiterative processmissing wedgeinformation theorycontinuous functionmaterial sciencetomography experimentbroadcastingmasssample thingselementary mathematicschemistryelectron microscopenanomaterials
From  James Overhiser on February 15th, 2019 8 plays

Ronchigrams

2017 PARADIM SUMMER SCHOOL Ronchigrams Peter Ercius

aperture sizedark field detectorconcepts in physicssmaller probespherical aberrationlargest probegraduate schoolguy namedhigher orderstrong magneticlong timeelectron microscopyorder termsphase changezone axispretty easyspecimen opticsoptical devices0.11 nanometersfraction patternlocal magnificationlarger apertureelectron microscopecorrected scopeaberration corrected microscopeprevious imagesphotographymagnetic fieldraunchy gramelectronphase shiftstem probeconvergence angleelectron diffraction patterndiffraction patternscience of photographydiffraction spaceelementary geometrypost specimenrate pathsmall screenengstromopticsobjective lenscirclesaberration shapemicrons leftlow frequencynice probecorrected stemsmall amountsemi anglepost specimen lensesinfinite magnificationfocus seriesmonolithic detectorseabed patternranch grahamflat regionatomic physicsaberration corrected scopeelectron lenspretty closea.t.f.focal seriesdiffraction buttonaberration correctoverlap regionbright field detectorlargest aperturehigh resolutionwine glasscarbonk.v.lot simplerimage correctaberration correctedlengthround lens300 k.v.quote unquotelarge focusradio symmetryfocused probeimage processingbbc radio 4 programmescontrast transferecclesiastical titlescentimetre–gram–second system of unitsf.b.i. techphysical opticsimage shiftflat phasemicron diameter aperture200 k.b.geometrical opticsamorphous materialalpha angleaberration correctorc.s.aberration correctionshadow imagesphere collaborationphysical chemistrydigital photographyhigher order aberrationsbeam electron diffractionf.b.i.100 percent2nd ordercsubcaption completestar aberrationcrystallographyanglehigh anglesc.c.d.virtual detectoroptical axisautomated alignmentparticle physicsaberration functionpixilated detectorcomputer visionlens currentatomic resolutioncentral spikeweird aberrationshigher order termsperfect lenst.m.3rd orderpriest specimen lensesk.b.double overlapsi derived unitscorrected microscopediffractionsingle positiontiny bitorder sphericalchemistryconvergent beam electronstem
From  James Overhiser on February 15th, 2019 21 plays

Diffraction (Part 2)

2017 PARADIM Diffraction part 2 David Muller

central beamnoise sourceaperture sizen.c.concepts in physicsideal d.q.2nd thingreadout noisehigh dynamic rangemental planethermal noiselong timechannel gain variationsquantum electrodynamicsdigital imagingcount rateoptical devicesfraction patternpico ampslong rangebiological imagingrange electric fieldshuge amountsignal processinggeologyd.p.photographythin pixelmagnetic fieldhole pezc.c.d. cameraelectronicspoisson distributiondiffraction patternelectron hopepoint spread function200 kilovolts$16.00 pico ampsneighboring pixelsquare rootmass signalstandard deviationdetective quantum efficiencyspatial frequencyopticsreal spaceresearch methodsenergy distributionmagnetic ripplesd.q.single electron sensitivityparticle physicsnarrow pixelspace measurementslowly varyingabled sphereatomic physicsimaging modeelectric fieldenergy depositedminus sigmapretty goodemerging technologieselectron beamnoisedynamic rangepoint $16.00 picomagnetismdock noisesoft moonk.v.pulse counting detectorlastic imaging modese.q.low energypretty darn goodelectrons arrivemicron pixelfire electronrandom noisemicroscopesperfectly lineardiscrete distributionselectron producesmass imagepercent variationtechnical detailselectron hole payq.e.statisticselectrostaticselectronics terminologyquantum mechanicsfield imagesingle actorideal detectormultiple pixelsgrain contrastsystems theoryelectron hole1st timehigh count ratescharge carriershuge numberdiffraction spotphysical quantitiesdigital photographyfull diffraction patternnoise timepulse countingbeam energyhigh voltagesoutput noisemilli 2nddynamical systemsoutput signallow count ratedimensional datadigital signal processingmomentum transfercaption complete$150.00 microninformationpixel array detectorc.c.d.1000 electronslaboratory equipmentcyberneticsatomic resolutionscientific methodfinite sizefundamental limitnoise ratiofraction spotquantum chemistryt.m.dataevaluation methodselectromagnetismmomentum operatorincident electrondiffractionprobability current flowrough rulebeam currentwave functiondiffraction work
From  James Overhiser on February 15th, 2019 12 plays

Diffraction (Part 1)

2017 PARADIM Diffraction part 1 David Muller

d.n.a.solid poleconcepts in physicsoutgoing spherical wavepositive nucleiray diffraction experimentatomic physicsdiffracted beamnicely linedhigher ordersilicon atomelectron microscopyfocal pointimage intensityzone axissymmetry zone axesoptical devicesfiafraction patternteachingshape factorelectron microscopeaudio engineeringhigh anglenuclear physicsfit scatteringbeautiful thinggood approximationthin sampleimaging methodchip chip chipreciprocal latticephase shiftelastic scatteringdigital audioenglish indie rock groupsdiffraction patterndiffraction spacegeometric opticschemical elementsbig anglesspatial resolutionsmall angle scatteringelementary special functionsbadly tiltedspatial frequencyadam layerreal spacelattice spacingdelta functionsmall anglemeasurementcrystallographyparticle physicsmusical quintetstime frequenciesquantum chemistryscattering happened1st columnscatteringoral communicationplane waveatom columnbiology and pharmacology of chemical elementstitanium columnmulti slicetransmission functionelectron beamfinite objectsurface normalbig spacingperiodic crystalsoft moonforward directionsynchrotron-related techniqueswave numberconstant phaseinfinite serieschange shapetravel parallelinfinitely large crystalscientific techniquesmain thingsolmicroscopesmathematical physicscontrast imagingoptic axisshape facttransition metalsinitial waveforward scatteringstem imagereciprocal spacespherical waveelectronics terminologyquantum mechanicsfield imageneighboring column1st approximationreducing agentsfourier analysisanalytic geometryfurcal wavefocal planetime varyingbright fieldangle scatteringorder spotmulti slice simulationimage planedidacticsscattering eventphysical aperturediffraction spotmomentum spacephysical quantitiesphoria transformtimes worse2nd ringsingle atomobjective aperturedietary mineralsabsorption and radiative transfer (optics)trigonometrystrong phase approximationunit cellfield imagingcarbon nitrogenstem modemetalsdiffraction peakinverse angstromsenglish alternative rock groupsdog fieldgeometrical opticsparallel beam1st ordermomentum transferatomic resolution imageyear transformcrystallography definitionperiodic tablefiber optic waveguidepyrotechnic fuelscentral spotsemiconductor materialsmathematical notationcaption completefinite sizelattice imaged.c.large anglefall fieldsine wavefraction spotfunctional analysisrandom orientationt.m.bad newsinitial wave functioneducational psychologyacousticsinformation theorydiffractionatomic numberlong rodwave function
From  James Overhiser on February 15th, 2019 26 plays

Schrodinger equation and mean-field approximation - Lecture 1.2

2016 PARADIM SUMMER SCHOOL Feliciano Giustino - Lecture 1.2

concepts in physicschemical elementssimple equationsolutionscharacteristic energybody wave functionelectronic structurecorrelation potentialelectron densityarchitectural elementssquare divided1st principleselectronegyptian artefact typesgrammarparticle equationelectron chargeforcekinetic energy potentialenergyphilosophical terminologyprinciplesnuclear masshydrogen physics1st electronparticle physicsquantum chemistrychemical propertiesbody problemstarting pointcool interactionbiology and pharmacology of chemical elementsspintronicsf.t.environmental sciencepeople talkatomsindependent particlefunctions and mappingspotential exactedchemical processesexclusion principlehelium atomconservation lawsmechanicsextra potentialelectronic structure methodselectron basicallycommunicationforms of energyreference frametomorrow morningexperimental parameterelectrostaticscomplex numberquantum mechanicshydrogen wave functionscompletely ignoresingle particleminus $13.00quantum modelsairship technology100 yearspotential energy comingphysical quantitiesbasically minuscondensed matter physicspotential energyhydrogen atomindependent eventsnuclear potentialpretty tablecolumn interactionstate functions40000 pointstakes caremathematical terminologysquare modelheliumphysical principlecaption completesingle particle equationhydrogensemiconductor materialskinetic energyexchange potentialtotal energyindependent electrongood newspartial differential equationselectron mass1st stephuman communicationelectromagnetismelectronic variablesatomic numbermasswave function
From  James Overhiser on February 15th, 2019 46 plays