Atomic and Condensed Matter Forum

Post thread
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.
High School What happens to atoms if an object is hit?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Spin Orbit Coupling leading to topological insulator behaviour
  • · Replies 2 ·
Replies
2
Views
7K
High School Difference beteween Strength, Hardness and Toughness
  • · Replies 5 ·
Replies
5
Views
123K
Graduate The Cause of X-ray crystal Diffraction
  • · Replies 17 ·
Replies
17
Views
8K
Graduate Explanation of a quantum simulator
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Fast Neutron Reactors and Breeder Reactors
  • · Replies 3 ·
Replies
3
Views
7K
Graduate Conduction band splitting under spin/orbit coupling
  • · Replies 5 ·
Replies
5
Views
7K
Graduate How fast can you 'switch' between superconducting and normal modes?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Effect of electrical field on annealing of thin film bismuth
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Few basic questions about p-n junction
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Statistical mechanics with a negative amount of atoms
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Temperature dependence of the electrical resistivity of a metal
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Is 10 e/nm^2 a Realistic Surface Charge Density?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Better explanation for why electrons in filled bands don't conduct?
  • · Replies 5 ·
Replies
5
Views
6K
Graduate Are polaritons simply photons propagating in medium?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate Calculating the transmission of a 1mm thick silicon wafer at various wavelengths
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How to Calculate Detection Probability of Alpha Particles from a 241Am Source?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Exchange and correlation and their defernces
  • · Replies 1 ·
Replies
1
Views
3K
Graduate The story of anti-ferromagntism
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Plasma colour in a sputtering chamber
  • · Replies 3 ·
Replies
3
Views
5K
Graduate How to find Density of states numerically?
  • · Replies 6 ·
Replies
6
Views
11K
Graduate Why exchange-correlation effects reduces the energy?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Heisenberg interaction Hamiltonian for square lattice
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How to Address High Weight Fraction of Secondary Phase in Rietveld Refinement?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Metal-semiconductor junction with p-type and n-type and varying work functions
  • · Replies 4 ·
Replies
4
Views
5K
Graduate What is The real cause of meissner effect in superconductors?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Understanding the Bad-Cavity Limit in Hydrogen-Masers: Recommended Literature
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Exploring the Cut-Back Method: How to Measure Propagation Losses
  • · Replies 1 ·
Replies
1
Views
6K
Graduate Why F- has less energy than F?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Van der Waals gas is not real gas?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Thomas-Fermi approximation and the dielectric function
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Understanding Rabi's NMR Work: Comparing Molecular Beam and Stern Methods
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Article: Higgs Boson in Superconductors
  • · Replies 0 ·
Replies
0
Views
2K
Undergrad Graphene supercapacitor production using scotch tape
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Help wanted for calculation of graphene conductivity
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Methods of cooling matter to extremely low temperatures
  • · Replies 5 ·
Replies
5
Views
3K
Graduate What is the significance of the pseudospin operator in multi-atom systems?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Understanding Coulomb Force in Plasmas
  • · Replies 1 ·
Replies
1
Views
3K
Graduate What is probability per unit time
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Expanding atomic displacements in terms of all lattice wave modes?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate The Superfluid Nature of Helium: Why Does It Refuse to Freeze?
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Lorentzian line shape function
  • · Replies 1 ·
Replies
1
Views
3K
High School Diffenent between binding energy and formation energy
  • · Replies 2 ·
Replies
2
Views
6K
Graduate Question about vibrational quality of a molecule (like Deuterium Oxide) ?
  • · Replies 24 ·
Replies
24
Views
4K
Graduate How do neutrons gain energy from phonon scattering?
  • · Replies 2 ·
Replies
2
Views
5K
Graduate What Is the Physical Meaning of Density of States in Solid State Physics?
  • · Replies 9 ·
Replies
9
Views
10K
Graduate RKKY Interaction: Defining $\hat{H}$
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is the Fourier transf. of an autocorrelation functn always positive?
  • · Replies 6 ·
Replies
6
Views
5K
Graduate Decrease permeability of ferromagnetic materials
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Physics of semiconductor in light and dark
  • · Replies 8 ·
Replies
8
Views
5K
Graduate Free electron Theory and Boltzmann Transport equation
  • · Replies 7 ·
Replies
7
Views
4K
Graduate Indirect exchange interactions Fourier transforms
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad About fermi levels in extrensic semiconductors.
  • · Replies 7 ·
Replies
7
Views
8K
Undergrad Questioning Current Flow Through a Semiconductor
  • · Replies 19 ·
Replies
19
Views
4K
Graduate Understanding Crystal Structure Basics: Q&A with the Experts
  • · Replies 2 ·
Replies
2
Views
7K
Graduate Definition of the dielectric function in the linear response regime
  • · Replies 15 ·
Replies
15
Views
6K
Graduate Understanding Resistivity in Superconductors
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Using RGT to Find Critical Temp/Point of 2D Ising Model
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Delocalizing Electrons: Time and Diffusion Lengths in Conduction Bands
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Why is BOTH the electron & hole drift velocity positive?
  • · Replies 8 ·
Replies
8
Views
9K
Graduate Clasical statistical mechanics
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Mathematical description of Refractive index in crystal/glass
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Hall effect and semiconductors
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Pulse Sequences in NMR: Understanding π/2 and π Pulses
  • · Replies 1 ·
Replies
1
Views
15K
Graduate What is the physical significance of dephasing in cavity QED?
  • · Replies 5 ·
Replies
5
Views
3K
High School Question about conductors, wires and lattice of ions
  • · Replies 2 ·
Replies
2
Views
1K
Graduate What is the meaning of a basis?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What precisely IS reflection: what happens at the microscopic level?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Spin of an Electron: Meaning & Quantum Number
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Transition Rate vs. Probability
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Surface Reconstruction: RHEED/LEED
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Full Width at Half Maximum (FWHM) Interpretation
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Statistical ensembles of various kinds
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Electron wavelength in superconductors
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Forbidden Electron Energies in Band Theory of Solids
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad What is meant by Early atomic models predicted noble gas stable
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Decomposition of total Wavefunction for N electron problem
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Learning Dynamical Mean Field Theory
  • · Replies 2 ·
Replies
2
Views
3K
Graduate The definition of the density operator in Pathria
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Dimension, fluctuations, and phase transitions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Confusion about Unit Cell Structure: Understanding Lattice and Basis Vectors
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Graphene: Displacement of atoms out of the 2D Plane
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Where Can I Find Exact Results for the Ising Model?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Upward Band Bending in n-Type Si Contacted by Metal
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Origin of internal magnetic field in an atom
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Symmetry of E(k) in the first BZ
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Interception of 2 Energy Bands in 1st Brillouin Zone
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Ferromagnetism versus Paramagnetism
  • · Replies 27 ·
Replies
27
Views
19K
Graduate CPMD ( Car-Parrinello Molecular Dynamics)
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Exploring the Quantum Theory of Magnetism: From Sum to Integral
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Superfluidity, helium-3 and helium-4
  • · Replies 4 ·
Replies
4
Views
5K
Graduate Deriving fractional atomic coordination numbers
  • · Replies 4 ·
Replies
4
Views
5K
Graduate How does band bending occur in energy band diagrams?
  • · Replies 7 ·
Replies
7
Views
12K
Graduate Subatomic particles infinitesimally smaller
  • · Replies 15 ·
Replies
15
Views
4K
Graduate Band gap calculation,how to choose the Kpoints?
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Finding the star of a wave vector using group theory
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Head Loss in Pipe - Roughness, Velocity, Length
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Cooper Pairs Spin: Questions Answered
  • · Replies 2 ·
Replies
2
Views
2K
High School What is the difference between Hydrogen and Protium?
  • · Replies 3 ·
Replies
3
Views
13K
High School What is the hardest man made material?
  • · Replies 5 ·
Replies
5
Views
4K