Atomic and Condensed Matter Forum

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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.
Undergrad Optimizing PID Parameters for Laser Servo Locking
  • kelly0303
  • · Replies 7 ·
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Graduate How to slow down a high energy neutral molecular beam
  • BillKet
  • · Replies 4 ·
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Undergrad Diatomic molecules containing potassium
  • BillKet
  • · Replies 14 ·
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14
Graduate Integrating the Stokeslet: Solving Expression 7 from ResearchGate Publication
  • steve1763
  • · Replies 1 ·
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High School How does the hydrogen line spectrum work with only one orbit?
  • Mr X
  • · Replies 10 ·
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Graduate Cubic and monolayer difference
  • Mohammad-gl
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Graduate Calculation of dipole and quadrupole momentum of CO
  • deFe_9807
  • · Replies 2 ·
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High School Assistance finding the nuclear energy difference during nuclear fusion
  • TechmoUnity
  • · Replies 5 ·
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Graduate Power induced shift in rotational transitions for a diatomic molecule
  • BillKet
  • · Replies 7 ·
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Graduate Numerical Hartree Fock with Finite Difference Matrices for Helium
  • DanielA
  • · Replies 4 ·
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Graduate Order parameter, symmetry breaking Landau style
  • paralleltransport
  • · Replies 5 ·
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Undergrad Spin and wavefunction of excitons
  • dabafsdf
  • · Replies 2 ·
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Graduate Bloch momentum-space wave functions
  • raz
  • · Replies 5 ·
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Undergrad Combination differences with spin
  • Malamala
  • · Replies 1 ·
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1
Undergrad Is the Spin-Rotation Constant Always Positive in Diatomic Molecules?
  • Malamala
  • · Replies 1 ·
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Undergrad Can Ablation of Materials Neutralize In-Flight Atomic Beams?
  • Malamala
  • · Replies 2 ·
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Graduate Einstein's coefficients recoil effect
  • zb23
  • · Replies 1 ·
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Graduate The main charge carrier in the ionic crystal is polaron or conduction?
  • Alkrima
  • · Replies 2 ·
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High School Field distribution in semiconductors
  • FrankygoestoHD
  • · Replies 2 ·
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Undergrad Question about Electronic Band Structure
  • TJonline
  • · Replies 3 ·
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3
Undergrad What Keeps the Electrons and Ions Mixed in a White Dwarf?
  • GhostLoveScore
  • · Replies 5 ·
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5
Graduate Can a Solid Vibrate at Debye Max Frequency?
  • zb23
  • · Replies 1 ·
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Undergrad Action of a symmetry operation on a Bloch state
  • dRic2
  • · Replies 7 ·
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Graduate Is the Universe neutrally charged?
  • cmb
  • · Replies 6 ·
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Graduate Quantum computing with superconductors
  • annaphys
  • · Replies 2 ·
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Graduate Lennard-Jones for bound/unbound atoms?
  • kirill77
  • · Replies 1 ·
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1
Graduate What is the Structure of Gallium Oxide?
  • Sciencestd
  • · Replies 1 ·
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1
Undergrad How Do Ashcroft and Mermin Derive the Conversion from Equation 22.6 to 22.9?
  • raisins
  • · Replies 4 ·
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Graduate Ground state of the one-dimensional spin-1/2 Ising model
  • William Crawford
  • · Replies 1 ·
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1
Graduate Why low temperature is better in many precision experiments?
  • Malamala
  • · Replies 10 ·
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Graduate Question about chiral molecules
  • BillKet
  • · Replies 8 ·
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Undergrad Why X-ray scattering in crystalline solids is elastic?
  • amjad-sh
  • · Replies 5 ·
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5
Undergrad Theory of fluctuations in disordered systems
  • giulio_hep
  • · Replies 1 ·
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Graduate Define spin operators for numerical groundstate obtained by ED
  • woodydewer
  • · Replies 2 ·
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2
Undergrad What are the 230 space groups in solid state physics?
  • MathematicalPhysicist
  • · Replies 1 ·
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1
Undergrad Question about the Bohr model of atom and and electron in an orbital
  • aaronll
  • · Replies 7 ·
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Undergrad Chemical potential and Fermi level
  • chikchok
  • · Replies 1 ·
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Undergrad Fermi energy definition and Fermi-Dirac distribution
  • chikchok
  • · Replies 3 ·
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Undergrad What is the Meaning of the Fermi Energy?
  • chikchok
  • · Replies 1 ·
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Graduate How Can Molecular Beams Be Slowed and Neutralized for MOT Trapping?
  • Malamala
  • · Replies 3 ·
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Undergrad A problem with a figure related to band theory
  • DaTario
  • · Replies 5 ·
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5
Graduate Experiments with diatomic molecules
  • kelly0303
  • · Replies 1 ·
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Graduate Mode Matching a Cavity: Best Practices Explained
  • Malamala
  • · Replies 2 ·
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2
High School Electrostatic charge build up in environmental electron microscopy
  • Alex_F
  • · Replies 7 ·
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7
Graduate Interatomic distance in diatomic molecules
  • Malamala
  • · Replies 2 ·
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2
Graduate New model for superconductivity
  • ZeroFunGame
  • · Replies 5 ·
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5
High School Is it the nucleus or a proton at the center?
  • Rev. Cheeseman
  • · Replies 14 ·
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14
High School Are BEC vortex lattices individual atoms?
  • Rev. Cheeseman
  • · Replies 4 ·
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4
Graduate Vibrations in building a cavity
  • Malamala
  • · Replies 12 ·
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12
Graduate Can Quantum Logic Techniques Be Applied to Complex Molecular Ions?
  • kelly0303
  • · Replies 9 ·
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Undergrad Quantum logic spectroscopy in a quadrupole trap
  • kelly0303
  • · Replies 1 ·
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High School Fusing Neutrons: Can It Lead to Cold Fusion?
  • j2mhall
  • · Replies 6 ·
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Undergrad Sp3 hybridization azimuthal quantum number
  • em3ry
  • · Replies 5 ·
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Undergrad Another question from Ashcroft and Mermin: Fermi-Dirac Distribution
  • hagopbul
  • · Replies 3 ·
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Undergrad Topological question from Ashcroft-Mermin
  • hagopbul
  • · Replies 6 ·
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6
Graduate Cooper pairs in a band diagram
  • Helena Wells
  • · Replies 1 ·
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Graduate Phase diagram of Carbon at large electric fields.
  • Prathyush
  • · Replies 2 ·
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Graduate Does strain affect on-site energy?
  • Mohammad-gl
  • · Replies 9 ·
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9
High School Why are absorption spectra continuous?
  • Cardinalmont
  • · Replies 9 ·
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9
Undergrad Argon or Dry N2 for venting a small Ultra High Vacuum chamber
  • dreens
  • · Replies 3 ·
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3
Graduate Solve Troesch's Equation: Numerical Technique & Derivation
  • wasi-uz-zaman
  • · Replies 1 ·
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Graduate Question about aligning a cavity
  • Malamala
  • · Replies 9 ·
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9
Graduate Measuring new forces with molecular vibrations
  • BillKet
  • · Replies 3 ·
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3
Undergrad Classical/empirical potential for electron-ion interactions
  • feynman1
  • · Replies 14 ·
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Undergrad Vibrational cooling of a molecule
  • Malamala
  • · Replies 3 ·
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3
Graduate Berry phase in condensed matter
  • semc
  • · Replies 10 ·
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10
Graduate A question about T-matrix in two-body scattering
  • Bin Jiang
  • · Replies 1 ·
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1
Undergrad Question about a Servo setup (locking a laser to a cavity)
  • Malamala
  • · Replies 21 ·
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Undergrad How Is the Dynamical Matrix Used to Calculate the Phonon Spectrum of Graphene?
  • nova215
  • · Replies 3 ·
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Undergrad Laser cooling in a Penning trap
  • kelly0303
  • · Replies 16 ·
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Undergrad Are permittivity and permeability quantities that can be predicted?
  • DuckAmuck
  • · Replies 3 ·
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3
Undergrad Dipole moment of Rydberg states
  • kelly0303
  • · Replies 2 ·
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Undergrad Has the Fermi-Dirac Integral been solved?
  • patric44
  • · Replies 2 ·
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2
Undergrad Effective molecular Hamiltonian and Hund cases
  • BillKet
  • · Replies 156 ·
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Undergrad How to measure a 10 Hz energy splitting of two energy levels
  • kelly0303
  • · Replies 29 ·
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Undergrad Defect concentration formula w/o Stirling approximation
  • alwaystiredmechgrad
  • · Replies 1 ·
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1
Undergrad Valence and conduction bands in five band Hamiltonian
  • Mohammad-gl
  • · Replies 5 ·
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5
Undergrad What is the relation between scattering and mobility in solid state physics?
  • struggling_student
  • · Replies 1 ·
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1
Graduate Typical binding energies of sigma-orbitals
  • Nabla94
  • · Replies 1 ·
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Undergrad Gap between introductory physics & solid state physics?
  • feynman1
  • · Replies 19 ·
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Undergrad Van der Waals attractive force: Why don't the imbalances average out?
  • nomadreid
  • · Replies 2 ·
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2
Graduate What Superconductor Can Have The Highest Magnetic Field Strength?
  • VictorMedvil
  • · Replies 4 ·
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4
Graduate Rippling Graphene Harvests Thermal Energy?
  • bob012345
  • · Replies 30 ·
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Undergrad Smallest energy we can measure
  • kelly0303
  • · Replies 13 ·
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13
Graduate Search for CPT violation with protons/antiprotons using quantum logic
  • Twigg
  • · Replies 1 ·
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1
Undergrad Can Having Electrons in Energy Levels Indicate Ionisation of Atoms?
  • cemtu
  • · Replies 2 ·
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2
Undergrad What Happens to Energy When Phonons are Damped?
  • dRic2
  • · Replies 5 ·
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5
Undergrad Nuclear size effect on isotope shift
  • kelly0303
  • · Replies 6 ·
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6
Graduate 1D transverse-field Ising model - classical vs quantum differences?
  • Jarek 31
  • · Replies 1 ·
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1
Undergrad Spin-Orbit Coupling & Isotope Shift
  • kelly0303
  • · Replies 1 ·
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1
Undergrad A large normal atom, but with a muon in its outer shell?
  • bbbl67
  • · Replies 11 ·
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Graduate High-energy tail of H electron momentum distribution? 1/p^6?
  • jarekduda
  • · Replies 1 ·
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1
Undergrad How do Cooper pairs carry a current with zero net-momentum?
  • alberliu
  • · Replies 2 ·
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2
Undergrad Silicon FCC -- Why are so many atoms shown in the lattice?
  • pj33
  • · Replies 5 ·
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5
Graduate About pair production using light
  • wasong
  • · Replies 16 ·
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16
Graduate Properties of Degenerate Electron Gas
  • thepolishman
  • · Replies 5 ·
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5
Graduate The difference between the binding of molecules and superconductors
  • annaphys
  • · Replies 5 ·
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5
Undergrad High energy beta particles (6 to 22 MeV)
  • Crijn
  • · Replies 3 ·
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3
Undergrad What happens to the electrons in a Bose-Einstein Condensate?
  • bbbl67
  • · Replies 18 ·
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18
Undergrad Attosecond chronoscopy - what happens during attosecod-scale delays?
  • Jarek 31
  • · Replies 3 ·
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3