Search for tag: "force constant"

3 Media

42:46 Vibrational properties and phonons in DFT… Vibrational properties and phonons in DFT (Lecture 4.1)	Vibrational properties and phonons in DFT (Lecture 4.1) 2016 PARADIM SUMMER SCHOOL Feliciano Giustino - Lecture 4.1 force game mode 2nd atom bit larger energy concepts in physics difficult relations hearing elementary special functions sound wave equation reference frame medical terminology water molecule statistics planetary science web colors atomic physics d.f.t. pressure waves molecules special relations 2nd derivative caption complete arithmetic physical chemistry i.q. energy scale special directions blue circles secondary bodies mathematical analysis blue dots cartesian directions functions and mappings equations elementary mathematics equations of physics sound physical quantities chemistry mechanical vibrations condensed matter physics acoustics called density function chemical processes berlin zone matter square root total energy atoms find basically euclidean geometry harmonic approximation force constant From James Overhiser on February 14th, 2019 124 plays
43:36 DFT: Phonons in Density Functional Theory… DFT: Phonons in Density Functional Theory (Tutorial 4.1)	DFT: Phonons in Density Functional Theory (Tutorial 4.1) 2018 PARADIM SUMMER SCHOOL Lecture 4.1 Phonons in DFT state functions statements calculation dimensional solid concepts in physics displacement hearing chemical elements dielectrics reference frame matter caption complete water molecule criminal law nonmetals muscle nitrogen quantum mechanics general case thermodynamics biology and pharmacology of chemical elements molecules atmospheric thermodynamics 2nd derivative functional theory arithmetic i.q. sound philosophical terminology 2nd video human behavior vibrational frequency mathematical analysis interesting bit pressure basically general statement nitrogen molecule functions and mappings equations semantics topology simplest expression anatomy chemistry force constant coolants acoustics equation move things thought elementary geometry political philosophy sound wave conic sections square root elementary mathematics equal minus times acceleration harmonic approximation From James Overhiser on February 14th, 2019 212 plays
32:03 DFT: Stretching frequency of a diatomic molecule… DFT: Stretching frequency of a diatomic molecule Cl2, phonon dispersion relations of diamond, and LO-TO splitting, IR activity, and dielectric constant of GaAs (Tutorial 4.1)	DFT: Stretching frequency of a diatomic molecule Cl2, phonon dispersion relations of diamond, and LO-TO splitting, IR activity, and dielectric constant of GaAs (Tutorial 4.1) 2018 PARADIM SUMMER SCHOOL Lab 3 c.l. 2nd step real space dynamical matrix post processing thoroughbred racehorses energy philosophical terminology greek letters small typo chemical elements electric and magnetic fields in matter gallium arsenide quantum mechanics top-level domains caption complete previous authorial m.p.i. file c.l. convergence threshold systems science atomic physics systems theory semiconductor materials molecules arsenides n.p.r. total energy gamma point dielectric constant constants matrix force constant matrix p.w. anatomy specific case force constants matrix input file force constant educational psychology optimal atomic mass equals true electrical engineering positive side From James Overhiser on February 14th, 2019 93 plays