Join in expert discussion on atomic and condensed matter. Methods for atoms, molecules, condensed matter. This includes the structure of the atom, its energy states, and its interactions.
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Undergrad Partition Function: 2 Approaches & Questions Answered
- amjad-sh
- · Replies 9 ·
Graduate Kohn-Sham vs Gell-Mann & Low correspondence
- thephystudent
- · Replies 1 ·
Undergrad Fermi sphere and density of states
- EmilyRuck
- · Replies 13 ·
Graduate Relation between IR radiation and warming in metals
- hokhani
- · Replies 3 ·
Graduate Can we make a circular polarization laser directly?
- einstein1921
- · Replies 4 ·
Undergrad Does the ionic background of a crystal affect the index?
- nmbr28albert
- · Replies 2 ·
Undergrad Double heterostructure junction in forward and zero bias
- EmilyRuck
- · Replies 1 ·
Undergrad Are there energy bands for alloys?
- Psinter
- · Replies 5 ·
Undergrad Reflectance of metals at low frequencies
- nmbr28albert
- · Replies 1 ·
Undergrad Non-zero current from a completely filled band
- nmbr28albert
- · Replies 1 ·
Graduate Law of Mass Action: Intrinsic & Extrinsic Semiconductors
- Repetit
- · Replies 8 ·
High School Does ionization change velocity of ion?
- Intle
- · Replies 3 ·
Undergrad Why superconductors have zero resistance
- pleasehelpmeno
- · Replies 5 ·
Undergrad Difference between solid-state, semiconductor and gas lasers
- says
- · Replies 1 ·
Graduate Incandescence and electronic excitation
- hokhani
- · Replies 3 ·
Undergrad Will ethanol destroy double layered graphene?
- Harry Smith
- · Replies 1 ·
High School Atomic Structure: Why Don't Protons Repel Each Other?
- watts up?
- · Replies 5 ·
Undergrad Transmittance and Absorbtion of light
- says
- · Replies 1 ·
Graduate 4 probe conductivity in discs (Smits)
- Nony
- · Replies 3 ·
Graduate About Feshbach Molecules in ultracold molecules
- RotatingUniverse
- · Replies 2 ·
Graduate Emission spectra of a hot body vs. atomic emission spectra
- afcsimoes
- · Replies 6 ·
Undergrad How is a top gate used to change electron density?
- Type1civ
- · Replies 1 ·
Undergrad About standing waves and reasonance
- KFC
- · Replies 3 ·
Undergrad Highest Order Diffraction Ring
- Willfrid Somogyi
- · Replies 5 ·
High School Finite difference problem
- Anonymous119
- · Replies 1 ·
Graduate Masters Thesis Topics and Literature
- Pual Black
- · Replies 11 ·
Undergrad Understanding the Derivation of Effective Mass Approximation in Semiconductors
- aaaa202
- · Replies 1 ·
Graduate Why Energy of 4s is higher than 3d?
- ImShiva
- · Replies 9 ·
Undergrad Hyperpolarizability and second order susceptibility
- Konte
- · Replies 2 ·
High School Why is the noble gas configuration inert?
- Cygnus X-1
- · Replies 3 ·
Graduate M-edges in TR-XAFS in Lanthanides
- HAYAO
- · Replies 4 ·
Undergrad Boltzmann distribution for spin-1/2 dipole: high T limit
- strauser
- · Replies 11 ·
Graduate How to find vibrational frequency for specific bond? (DFT)
- Dan Zar
- · Replies 1 ·
Graduate Numerical solution to SE - variational method, many electrons
- Nemanja989
- · Replies 1 ·
Graduate Variable grid mesh in Numerov's method (Fortran)
- Telemachus
- · Replies 1 ·
Undergrad Why does the magnetisation orient itself in the -y direction
- shedrick94
- · Replies 2 ·
High School Can heating/cooling a material effect absorption, and transmission
- Nicholas Ham
- · Replies 2 ·
Undergrad Why does high surface energy of the solid have more wetting?
- goodphy
- · Replies 3 ·
Graduate What is the role of the sp-band in bandstructures and density-of-states?
- markmick
- · Replies 1 ·
Graduate How can I tell Gaussian to read coordinates as Cartesian?
- Dan Zar
- · Replies 1 ·
Graduate Hyperfine structure transition of Cs-133: calculation?
- Marco Masi
- · Replies 2 ·
Graduate Acoustic and optical branches in phonons dispersion curves
- chikou24i
- · Replies 2 ·
Undergrad Difference between Zero-Field Cooling and Field Cooling
- dwellexity
- · Replies 1 ·
Undergrad Emission spectroscopy of an acetylene flame
- Matthew Adams
- · Replies 2 ·
Undergrad What is the theoretical basis for Kramer's Law?
- tade
- · Replies 1 ·
Undergrad Distinguishing Blackbody and Atomic Spectra of the Sun
- tade
- · Replies 4 ·
Undergrad Rutherford's Atomic Model: Rejected by Physicists?
- debajyoti datta
- · Replies 27 ·
Undergrad Bloch's theorem infinite system?
- thegirl
- · Replies 1 ·
Graduate Magnetocaloric effect and electron energy levels
- potatowhisperer
- · Replies 10 ·
Graduate Computing the resistivity due to electron collision with 1BZ
- Jonsson
- · Replies 1 ·
Undergrad Matter cutting by destabilising of atoms bonding
- al2207
- · Replies 3 ·
Undergrad Volume of velocity-space in Maxwell-Boltzmann distribution
- strauser
- · Replies 7 ·
Undergrad Boltzmann distribution: isothermal atmosphere error?
- strauser
- · Replies 2 ·
Undergrad Bandgap Energy and refractive index
- Martel_lu
- · Replies 1 ·
Undergrad Do all solids have a crystalline organized structure?
- fog37
- · Replies 11 ·
Undergrad Diffusion of carriers in a double heterostructure
- EmilyRuck
- · Replies 4 ·
Undergrad What is the Bremsstrahlung Spectrum function?
- greswd
- · Replies 2 ·
Undergrad Spectra Units: cm^(-1)? | KQ6UP
- kq6up
- · Replies 2 ·
Undergrad Built-in potential in pn junction
- EmilyRuck
- · Replies 2 ·
Undergrad Pump Probe Spectroscopy: Introduction to a Powerful Technique
- Imperatore
- · Replies 7 ·
High School Why doesn't the normal Zeeman effect produce a band?
- quawa99
- · Replies 1 ·
Undergrad Evaluating Scattering Integral
- Waxterzz
- · Replies 14 ·
Graduate Does a type I superconductor have to be single crystal?
- zhanhai
- · Replies 2 ·
Undergrad Resonant Frequency of an Atom in an Atomic Clock
- Tom MS
- · Replies 1 ·
Undergrad Pn junction to reach thermal equilibrium
- EmilyRuck
- · Replies 7 ·
Graduate The Fascinating World of Bravais Lattices
- aaaa202
- · Replies 18 ·
Undergrad Bond length of a hydrogen bond
- sghan
- · Replies 1 ·
Undergrad What factors influence the crystal structure of metals?
- sghan
- · Replies 1 ·
Graduate Can't crystal of simple lattice be antiferromagnetic?
- zhanhai
- · Replies 7 ·
Undergrad Carrier Concentration in a Semiconductor
- fayled
- · Replies 1 ·
Undergrad Energy levels in atoms & speed of interaction
- DanMP
- · Replies 48 ·
Undergrad What octahedral site is preferred by carbon?
- potatowhisperer
- · Replies 3 ·
Graduate A question about how to start ab initio simulations
- ftft
- · Replies 1 ·
Graduate Difference between an optical and an acoustic phonon
- learner@123
- · Replies 2 ·
Graduate Deriving DOS: Solve the Mystery of the 2x Factor!
- Array
- · Replies 2 ·
Undergrad Photoluminescence Excitation (PLE) vs PL spectroscopy
- Jalo
- · Replies 4 ·
Undergrad What is the volime of a k-state?
- Ruizhe
- · Replies 4 ·
Undergrad Calculation of the absorption coefficient for GaAs
- yeyintkoko
- · Replies 2 ·
Undergrad Localized and delocalized states, meaning? in Organics
- JOZRA
- · Replies 1 ·
Graduate Josephson Junction: Perpetual Motion System?
- Fizica7
- · Replies 6 ·
Graduate Break points in band structure
- chikou24i
- · Replies 2 ·
Undergrad Quasi Fermi level and intrinsic Fermi energy
- yeyintkoko
- · Replies 2 ·
Undergrad What does total number of atomic sites mean ?
- potatowhisperer
- · Replies 2 ·
Undergrad Velocity saturation and mobility in metals and semiconductor
- radius2
- · Replies 1 ·
Graduate Dielectric loss of SiO2 layers.
- kpsr
- · Replies 3 ·
Undergrad Finding the vibrational partition function of a diatomic molecule
- thegirl
- · Replies 2 ·
Undergrad A diamagnet inside a magnetized hollow cylinder
- Nono713
- · Replies 5 ·
Undergrad Diamagnetism vs. paramagnetism in solid state
- pierce15
- · Replies 9 ·
Graduate Understanding the Meaning of Splitting in Two-Level Systems
- eliran
- · Replies 1 ·
Undergrad Kinetic energy with effective mass
- aaaa202
- · Replies 4 ·
Graduate HF pulsed UV light effect on metal alloy
- Chris Wallin
- · Replies 15 ·
High School What is the self absorption parameter
- hariprasath
- · Replies 1 ·
Undergrad Basic band theory question, free electron model
- pierce15
- · Replies 3 ·
Undergrad Origin of 12th power dependency of Pauli repulsion?
- Infinigon
- · Replies 3 ·
Undergrad Why is the work function measured from the Fermi level?
- M.A.M.Abed
- · Replies 5 ·
Graduate About X-ray Photoelectron Spectroscopy
- Dan Zar
- · Replies 1 ·
Undergrad Position of Fermi Energy for Semi-Conductors
- M.A.M.Abed
- · Replies 19 ·
Graduate Plank Radiation Spectrum Liquids Wavelength VS Temp
- Albertgauss
- · Replies 1 ·
Undergrad Query about statistical ensemble and Liouville's Theorem
- Shan K
- · Replies 3 ·
High School In glass, the elements that make it up, like silicon, and so
- memoryerasure1
- · Replies 4 ·