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.
Graduate Ground state of the one-dimensional spin-1/2 Ising model
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Graduate Why low temperature is better in many precision experiments?
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Graduate Question about chiral molecules
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Undergrad Why X-ray scattering in crystalline solids is elastic?
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Undergrad Theory of fluctuations in disordered systems
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Graduate Define spin operators for numerical groundstate obtained by ED
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Undergrad What are the 230 space groups in solid state physics?
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Undergrad Question about the Bohr model of atom and and electron in an orbital
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Graduate How Can Molecular Beams Be Slowed and Neutralized for MOT Trapping?
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Undergrad A problem with a figure related to band theory
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Graduate Experiments with diatomic molecules
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Graduate Mode Matching a Cavity: Best Practices Explained
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High School Electrostatic charge build up in environmental electron microscopy
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Graduate Interatomic distance in diatomic molecules
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Graduate New model for superconductivity
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High School Are BEC vortex lattices individual atoms?
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Graduate Vibrations in building a cavity
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Graduate Can Quantum Logic Techniques Be Applied to Complex Molecular Ions?
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Undergrad Quantum logic spectroscopy in a quadrupole trap
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High School Fusing Neutrons: Can It Lead to Cold Fusion?
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Undergrad Sp3 hybridization azimuthal quantum number
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Undergrad Another question from Ashcroft and Mermin: Fermi-Dirac Distribution
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Undergrad Topological question from Ashcroft-Mermin
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Cooper pairs in a band diagram
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Graduate Phase diagram of Carbon at large electric fields.
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Graduate Does strain affect on-site energy?
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High School Why are absorption spectra continuous?
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Undergrad Argon or Dry N2 for venting a small Ultra High Vacuum chamber
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Graduate Solve Troesch's Equation: Numerical Technique & Derivation
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Graduate Question about aligning a cavity
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Graduate Measuring new forces with molecular vibrations
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Undergrad Vibrational cooling of a molecule
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Graduate Berry phase in condensed matter
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Graduate A question about T-matrix in two-body scattering
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Undergrad Question about a Servo setup (locking a laser to a cavity)
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Undergrad How Is the Dynamical Matrix Used to Calculate the Phonon Spectrum of Graphene?
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Undergrad Laser cooling in a Penning trap
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Undergrad Are permittivity and permeability quantities that can be predicted?
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Undergrad Dipole moment of Rydberg states
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Undergrad Has the Fermi-Dirac Integral been solved?
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Undergrad Effective molecular Hamiltonian and Hund cases
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Undergrad How to measure a 10 Hz energy splitting of two energy levels
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Undergrad Defect concentration formula w/o Stirling approximation
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Undergrad Valence and conduction bands in five band Hamiltonian
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Undergrad What is the relation between scattering and mobility in solid state physics?
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Graduate Typical binding energies of sigma-orbitals
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Graduate What Superconductor Can Have The Highest Magnetic Field Strength?
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Graduate Rippling Graphene Harvests Thermal Energy?
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Undergrad Smallest energy we can measure
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Graduate Search for CPT violation with protons/antiprotons using quantum logic
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Undergrad Can Having Electrons in Energy Levels Indicate Ionisation of Atoms?
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Undergrad What Happens to Energy When Phonons are Damped?
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Undergrad Nuclear size effect on isotope shift
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Graduate 1D transverse-field Ising model - classical vs quantum differences?
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Undergrad Spin-Orbit Coupling & Isotope Shift
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Undergrad A large normal atom, but with a muon in its outer shell?
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Graduate High-energy tail of H electron momentum distribution? 1/p^6?
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Undergrad How do Cooper pairs carry a current with zero net-momentum?
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Silicon FCC -- Why are so many atoms shown in the lattice?
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Graduate About pair production using light
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Graduate Properties of Degenerate Electron Gas
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Graduate The difference between the binding of molecules and superconductors
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Undergrad High energy beta particles (6 to 22 MeV)
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Undergrad What happens to the electrons in a Bose-Einstein Condensate?
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Undergrad Attosecond chronoscopy - what happens during attosecod-scale delays?
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Undergrad What happens to atoms in far detuned states?
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Undergrad Less known electric/magnetic interactions with light
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Undergrad What is the size and shape of single optical photon?
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Graduate Ising model open chain and periodic boundary conditions
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Undergrad Two-site "tight-binding model"
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Graduate Wannier function in tight-binding model
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Graduate Superconductor ring: shielding currents in different directions
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Undergrad Entangling atoms in a molecule
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Undergrad Is the current density operator derived from fundamental considerations?
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Undergrad Ramsey spectroscopy and spin echoes
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Undergrad How does detuned laser frequency affect atomic dipole forces?
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Undergrad Confused about spontaneous emission
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Undergrad Probe absorption and dressed states
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Undergrad Confused about dressed states of atom
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Undergrad The sum of S and L quantum numbers
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Graduate What Are Examples of Exotic Order-Disorder Phase Transitions?
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Graduate Superconductor in a hollow cylinder -- two different end states. Why?
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Graduate All-atom simulation and coarse-grained simulations
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High School Missing mass in atomic systems
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High School Understanding Crystal Structures: Energy Considerations
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Graduate Crystal structures and number of bonds of each atom
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Graduate The most striking example of vacuum fluctuations affecting experiments
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Undergrad Can Quantum Entanglement Enhance Atomic Measurement Accuracy?
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Graduate Why Do Voids Form at the Thin-Film Substrate Interface After Annealing?
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Undergrad Molecules when Born-Oppenheimer approximation doesn't work
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Undergrad Energy of donor or acceptor levels in semiconductors
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Undergrad How does the interatomic spacing of alloys differ from that of pure crystals?
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Undergrad Changes in angular momentum for ro-vibrational transitions
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Undergrad Discover SiGe Alloy: Energy Band Diagram & Info
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Graduate Why Do We Need Alchemical Methods to Compute Gibbs Energy Changes?
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Undergrad Fermi level change in semiconductors
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Energy of valence electrons from period of the periodic table
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Undergrad Electron angular momentum in diatomic molecules
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Undergrad What kx/ky Values Are Used for Graphene Band Structure Plots?
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Undergrad Recombination and open-circuit voltage in solar cells
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