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 Is cobalt oxide (Co₃O₄) magnetic?
- Rzbs
- · Replies 1 ·
Undergrad What are thermal fluctuations?
- Trollfaz
- · Replies 1 ·
Undergrad Survivability in 1 psi zone: How screwed am I?
- mjagz81
- · Replies 7 ·
Undergrad When do you adjust PID parameters in laser cavity locking?
- kelly0303
- · Replies 7 ·
Graduate How to slow down a high energy neutral molecular beam
- BillKet
- · Replies 4 ·
Undergrad Diatomic molecules containing potassium
- BillKet
- · Replies 14 ·
Graduate Integrating the Stokeslet: Solving Expression 7 from ResearchGate Publication
- steve1763
- · Replies 1 ·
High School How does the hydrogen line spectrum work with only one orbit?
- Mr X
- · Replies 10 ·
Graduate Cubic and monolayer difference
- Mohammad-gl
- · Replies 5 ·
Graduate Calculation of dipole and quadrupole momentum of CO
- deFe_9807
- · Replies 2 ·
High School Assistance finding the nuclear energy difference during nuclear fusion
- TechmoUnity
- · Replies 5 ·
Graduate Power induced shift in rotational transitions for a diatomic molecule
- BillKet
- · Replies 7 ·
Graduate Numerical Hartree Fock with Finite Difference Matrices for Helium
- DanielA
- · Replies 4 ·
Graduate Order parameter, symmetry breaking Landau style
- paralleltransport
- · Replies 5 ·
Undergrad Spin and wavefunction of excitons
- dabafsdf
- · Replies 2 ·
Graduate Bloch momentum-space wave functions
- raz
- · Replies 5 ·
Undergrad Combination differences with spin
- Malamala
- · Replies 1 ·
Undergrad Is the Spin-Rotation Constant Always Positive in Diatomic Molecules?
- Malamala
- · Replies 1 ·
Undergrad Can Ablation of Materials Neutralize In-Flight Atomic Beams?
- Malamala
- · Replies 2 ·
Graduate Einstein's coefficients recoil effect
- zb23
- · Replies 1 ·
Graduate The main charge carrier in the ionic crystal is polaron or conduction?
- Alkrima
- · Replies 2 ·
High School Field distribution in semiconductors
- FrankygoestoHD
- · Replies 2 ·
Undergrad How do discrete atomic energy levels split into N continuous bands in a crystal lattice?
- TJonline
- · Replies 3 ·
Undergrad What Keeps the Electrons and Ions Mixed in a White Dwarf?
- GhostLoveScore
- · Replies 5 ·
Graduate Can a Solid Vibrate at Debye Max Frequency?
- zb23
- · Replies 1 ·
Undergrad Action of a symmetry operation on a Bloch state
- dRic2
- · Replies 7 ·
Graduate Is the Universe neutrally charged?
- cmb
- · Replies 6 ·
Graduate Quantum computing with superconductors
- annaphys
- · Replies 2 ·
Graduate Lennard-Jones for bound/unbound atoms?
- kirill77
- · Replies 1 ·
Graduate What is the Structure of Gallium Oxide?
- Sciencestd
- · Replies 1 ·
Undergrad How Do Ashcroft and Mermin Derive the Conversion from Equation 22.6 to 22.9?
- raisins
- · Replies 4 ·
Graduate Ground state of the one-dimensional spin-1/2 Ising model
- William Crawford
- · Replies 1 ·
Graduate Why low temperature is better in many precision experiments?
- Malamala
- · Replies 10 ·
Graduate Parity of vibrational levels in chiral molecules
- BillKet
- · Replies 8 ·
Undergrad Why X-ray scattering in crystalline solids is elastic?
- amjad-sh
- · Replies 5 ·
Undergrad Theory of fluctuations in disordered systems
- giulio_hep
- · Replies 1 ·
Graduate Define spin operators for numerical groundstate obtained by ED
- woodydewer
- · Replies 2 ·
Undergrad What are the 230 space groups in solid state physics?
- MathematicalPhysicist
- · Replies 1 ·
Undergrad In the Bohr model, does an electron gain potential or kinetic energy when hit by a photon?
- aaronll
- · Replies 7 ·
Undergrad Chemical potential and Fermi level
- chikchok
- · Replies 1 ·
Undergrad Fermi energy definition and Fermi-Dirac distribution
- chikchok
- · Replies 3 ·
Undergrad What is the Meaning of the Fermi Energy?
- chikchok
- · Replies 1 ·
Graduate How Can Molecular Beams Be Slowed and Neutralized for MOT Trapping?
- Malamala
- · Replies 3 ·
Undergrad A problem with a figure related to band theory
- DaTario
- · Replies 5 ·
Graduate Experiments with diatomic molecules
- kelly0303
- · Replies 1 ·
Graduate How do I mode match a laser to a cavity to get TEM00?
- Malamala
- · Replies 2 ·
High School Electrostatic charge build up in environmental electron microscopy
- Alex_F
- · Replies 7 ·
Graduate Interatomic distance in diatomic molecules
- Malamala
- · Replies 2 ·
Graduate New model for superconductivity
- ZeroFunGame
- · Replies 5 ·
High School Is it the nucleus or a proton at the center?
- Rev. Cheeseman
- · Replies 14 ·
High School Are BEC vortex lattices individual atoms?
- Rev. Cheeseman
- · Replies 4 ·
Graduate Vibrations in building a cavity
- Malamala
- · Replies 12 ·
Graduate Can Quantum Logic Techniques Be Applied to Complex Molecular Ions?
- kelly0303
- · Replies 9 ·
Undergrad Quantum logic spectroscopy in a quadrupole trap
- kelly0303
- · Replies 1 ·
High School Fusing Neutrons: Can It Lead to Cold Fusion?
- j2mhall
- · Replies 6 ·
Undergrad Sp3 hybridization azimuthal quantum number
- em3ry
- · Replies 5 ·
Undergrad Helmholtz free energy in Ashcroft and Mermin equation 2.38
- hagopbul
- · Replies 3 ·
Undergrad Topological question from Ashcroft-Mermin
- hagopbul
- · Replies 6 ·
Graduate Cooper pairs in a band diagram
- Helena Wells
- · Replies 1 ·
Graduate Phase diagram of Carbon at large electric fields.
- Prathyush
- · Replies 2 ·
Graduate Does strain affect on-site energy?
- Mohammad-gl
- · Replies 9 ·
High School Why are absorption spectra continuous?
- Cardinalmont
- · Replies 9 ·
Undergrad Argon or Dry N2 for venting a small Ultra High Vacuum chamber
- dreens
- · Replies 3 ·
Graduate Where can I find the derivation of Troesch's equation?
- wasi-uz-zaman
- · Replies 1 ·
Graduate Cavity modes with varying peak heights and substructure
- Malamala
- · Replies 9 ·
Graduate Measuring new forces with molecular vibrations
- BillKet
- · Replies 3 ·
Undergrad Classical/empirical potential for electron-ion interactions
- feynman1
- · Replies 14 ·
Undergrad Vibrational cooling of a molecule
- Malamala
- · Replies 3 ·
Graduate Berry phase in condensed matter
- semc
- · Replies 10 ·
Graduate T-matrix and leading order in two-body scattering
- Bin Jiang
- · Replies 1 ·
Undergrad Question about a Servo setup (locking a laser to a cavity)
- Malamala
- · Replies 21 ·
Undergrad How Is the Dynamical Matrix Used to Calculate the Phonon Spectrum of Graphene?
- nova215
- · Replies 3 ·
Undergrad Laser cooling in a Penning trap
- kelly0303
- · Replies 16 ·
Undergrad Are permittivity and permeability quantities that can be predicted?
- DuckAmuck
- · Replies 3 ·
Undergrad Dipole moment of Rydberg states
- kelly0303
- · Replies 2 ·
Undergrad Has the Fermi-Dirac Integral been solved?
- patric44
- · Replies 2 ·
Undergrad Effective molecular Hamiltonian and Hund cases
- BillKet
- · Replies 156 ·
Undergrad How to measure a 10 Hz energy splitting of two energy levels
- kelly0303
- · Replies 29 ·
Undergrad Defect concentration formula w/o Stirling approximation
- alwaystiredmechgrad
- · Replies 1 ·
Undergrad Valence and conduction bands in five band Hamiltonian
- Mohammad-gl
- · Replies 5 ·
Undergrad What is the relation between scattering and mobility in solid state physics?
- struggling_student
- · Replies 1 ·
Graduate Typical binding energies of sigma-orbitals
- Nabla94
- · Replies 1 ·
Undergrad Metal under electric field: free electron model vs ionic lattice
- feynman1
- · Replies 19 ·
Undergrad Van der Waals attractive force: Why don't the imbalances average out?
- nomadreid
- · Replies 2 ·
Graduate What Superconductor Can Have The Highest Magnetic Field Strength?
- VictorMedvil
- · Replies 4 ·
Graduate Rippling Graphene Harvests Thermal Energy?
- bob012345
- · Replies 30 ·
Undergrad Smallest energy we can measure
- kelly0303
- · Replies 13 ·
Graduate Search for CPT violation with protons/antiprotons using quantum logic
- Twigg
- · Replies 1 ·
Undergrad Can Having Electrons in Energy Levels Indicate Ionisation of Atoms?
- cemtu
- · Replies 2 ·
Undergrad What Happens to Energy When Phonons are Damped?
- dRic2
- · Replies 5 ·
Undergrad Nuclear size effect on isotope shift
- kelly0303
- · Replies 6 ·
Graduate 1D transverse-field Ising model - classical vs quantum differences?
- Jarek 31
- · Replies 1 ·
Undergrad How does spin-orbit coupling affect isotope shift parameters?
- kelly0303
- · Replies 1 ·
Undergrad A large normal atom, but with a muon in its outer shell?
- bbbl67
- · Replies 11 ·
Graduate High-energy tail of H electron momentum distribution? 1/p^6?
- jarekduda
- · Replies 1 ·
Undergrad How do Cooper pairs carry a current with zero net-momentum?
- alberliu
- · Replies 2 ·
Undergrad Silicon FCC -- Why are so many atoms shown in the lattice?
- pj33
- · Replies 5 ·
Graduate About pair production using light
- wasong
- · Replies 16 ·
Graduate Properties of Degenerate Electron Gas
- thepolishman
- · Replies 5 ·
Graduate The difference between the binding of molecules and superconductors
- annaphys
- · Replies 5 ·