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.
Temperature dependence of the electrical resistivity of a metal
  • · Replies 1 ·
Replies
1
Views
4K
Is 10 e/nm^2 a Realistic Surface Charge Density?
  • · Replies 1 ·
Replies
1
Views
2K
Better explanation for why electrons in filled bands don't conduct?
  • · Replies 5 ·
Replies
5
Views
6K
Are polaritons simply photons propagating in medium?
  • · Replies 6 ·
Replies
6
Views
5K
Calculating the transmission of a 1mm thick silicon wafer at various wavelengths
  • · Replies 2 ·
Replies
2
Views
3K
How to Calculate Detection Probability of Alpha Particles from a 241Am Source?
  • · Replies 4 ·
Replies
4
Views
3K
Exchange and correlation and their defernces
  • · Replies 1 ·
Replies
1
Views
3K
The story of anti-ferromagntism
  • · Replies 5 ·
Replies
5
Views
3K
Plasma colour in a sputtering chamber
  • · Replies 3 ·
Replies
3
Views
5K
How to find Density of states numerically?
  • · Replies 6 ·
Replies
6
Views
11K
Why exchange-correlation effects reduces the energy?
  • · Replies 4 ·
Replies
4
Views
4K
Heisenberg interaction Hamiltonian for square lattice
  • · Replies 1 ·
Replies
1
Views
3K
How to Address High Weight Fraction of Secondary Phase in Rietveld Refinement?
  • · Replies 4 ·
Replies
4
Views
3K
Metal-semiconductor junction with p-type and n-type and varying work functions
  • · Replies 4 ·
Replies
4
Views
5K
What is The real cause of meissner effect in superconductors?
  • · Replies 2 ·
Replies
2
Views
3K
Understanding the Bad-Cavity Limit in Hydrogen-Masers: Recommended Literature
  • · Replies 3 ·
Replies
3
Views
2K
Exploring the Cut-Back Method: How to Measure Propagation Losses
  • · Replies 1 ·
Replies
1
Views
6K
Why F- has less energy than F?
  • · Replies 9 ·
Replies
9
Views
3K
Thomas-Fermi approximation and the dielectric function
  • · Replies 1 ·
Replies
1
Views
4K
Understanding Rabi's NMR Work: Comparing Molecular Beam and Stern Methods
  • · Replies 2 ·
Replies
2
Views
3K
Article: Higgs Boson in Superconductors
  • · Replies 0 ·
Replies
0
Views
2K
Graphene supercapacitor production using scotch tape
  • · Replies 3 ·
Replies
3
Views
6K
Help wanted for calculation of graphene conductivity
  • · Replies 1 ·
Replies
1
Views
3K
Methods of cooling matter to extremely low temperatures
  • · Replies 5 ·
Replies
5
Views
3K
What is the significance of the pseudospin operator in multi-atom systems?
  • · Replies 2 ·
Replies
2
Views
4K
Understanding Coulomb Force in Plasmas
  • · Replies 1 ·
Replies
1
Views
2K
What is probability per unit time
  • · Replies 3 ·
Replies
3
Views
6K
Expanding atomic displacements in terms of all lattice wave modes?
  • · Replies 2 ·
Replies
2
Views
2K
Lorentzian line shape function
  • · Replies 1 ·
Replies
1
Views
3K
Diffenent between binding energy and formation energy
  • · Replies 2 ·
Replies
2
Views
6K
How do neutrons gain energy from phonon scattering?
  • · Replies 2 ·
Replies
2
Views
5K
What Is the Physical Meaning of Density of States in Solid State Physics?
  • · Replies 9 ·
Replies
9
Views
10K
RKKY Interaction: Defining $\hat{H}$
  • · Replies 4 ·
Replies
4
Views
2K
Is the Fourier transf. of an autocorrelation functn always positive?
  • · Replies 6 ·
Replies
6
Views
5K
Decrease permeability of ferromagnetic materials
  • · Replies 1 ·
Replies
1
Views
2K
Physics of semiconductor in light and dark
  • · Replies 8 ·
Replies
8
Views
5K
Free electron Theory and Boltzmann Transport equation
  • · Replies 7 ·
Replies
7
Views
4K
Indirect exchange interactions Fourier transforms
  • · Replies 2 ·
Replies
2
Views
2K
About fermi levels in extrensic semiconductors.
  • · Replies 7 ·
Replies
7
Views
8K
Understanding Crystal Structure Basics: Q&A with the Experts
  • · Replies 2 ·
Replies
2
Views
7K
Definition of the dielectric function in the linear response regime
  • · Replies 15 ·
Replies
15
Views
6K
Understanding Resistivity in Superconductors
  • · Replies 1 ·
Replies
1
Views
2K
Using RGT to Find Critical Temp/Point of 2D Ising Model
  • · Replies 6 ·
Replies
6
Views
4K
Delocalizing Electrons: Time and Diffusion Lengths in Conduction Bands
  • · Replies 3 ·
Replies
3
Views
3K
Why is BOTH the electron & hole drift velocity positive?
  • · Replies 8 ·
Replies
8
Views
9K
Clasical statistical mechanics
  • · Replies 7 ·
Replies
7
Views
3K
Mathematical description of Refractive index in crystal/glass
  • · Replies 4 ·
Replies
4
Views
2K
Pulse Sequences in NMR: Understanding π/2 and π Pulses
  • · Replies 1 ·
Replies
1
Views
15K
What is the physical significance of dephasing in cavity QED?
  • · Replies 5 ·
Replies
5
Views
3K
What is the meaning of a basis?
  • · Replies 2 ·
Replies
2
Views
2K
What precisely IS reflection: what happens at the microscopic level?
  • · Replies 8 ·
Replies
8
Views
4K
Spin of an Electron: Meaning & Quantum Number
  • · Replies 8 ·
Replies
8
Views
3K
Transition Rate vs. Probability
  • · Replies 1 ·
Replies
1
Views
5K
Surface Reconstruction: RHEED/LEED
  • · Replies 1 ·
Replies
1
Views
2K
Full Width at Half Maximum (FWHM) Interpretation
  • · Replies 2 ·
Replies
2
Views
5K
Statistical ensembles of various kinds
  • · Replies 3 ·
Replies
3
Views
2K
Electron wavelength in superconductors
  • · Replies 1 ·
Replies
1
Views
2K
Forbidden Electron Energies in Band Theory of Solids
  • · Replies 4 ·
Replies
4
Views
3K
What is meant by Early atomic models predicted noble gas stable
  • · Replies 5 ·
Replies
5
Views
4K
Decomposition of total Wavefunction for N electron problem
  • · Replies 6 ·
Replies
6
Views
3K
Learning Dynamical Mean Field Theory
  • · Replies 2 ·
Replies
2
Views
3K
The definition of the density operator in Pathria
  • · Replies 3 ·
Replies
3
Views
3K
Dimension, fluctuations, and phase transitions
  • · Replies 1 ·
Replies
1
Views
2K
Confusion about Unit Cell Structure: Understanding Lattice and Basis Vectors
  • · Replies 2 ·
Replies
2
Views
4K
Graphene: Displacement of atoms out of the 2D Plane
  • · Replies 1 ·
Replies
1
Views
2K
Upward Band Bending in n-Type Si Contacted by Metal
  • · Replies 2 ·
Replies
2
Views
4K
Origin of internal magnetic field in an atom
  • · Replies 1 ·
Replies
1
Views
3K
Symmetry of E(k) in the first BZ
  • · Replies 5 ·
Replies
5
Views
2K
Interception of 2 Energy Bands in 1st Brillouin Zone
  • · Replies 6 ·
Replies
6
Views
2K
Ferromagnetism versus Paramagnetism
  • · Replies 27 ·
Replies
27
Views
19K
CPMD ( Car-Parrinello Molecular Dynamics)
  • · Replies 1 ·
Replies
1
Views
3K
Exploring the Quantum Theory of Magnetism: From Sum to Integral
  • · Replies 5 ·
Replies
5
Views
3K
Superfluidity, helium-3 and helium-4
  • · Replies 4 ·
Replies
4
Views
5K
Deriving fractional atomic coordination numbers
  • · Replies 4 ·
Replies
4
Views
5K
How does band bending occur in energy band diagrams?
  • · Replies 7 ·
Replies
7
Views
12K
Subatomic particles infinitesimally smaller
  • · Replies 15 ·
Replies
15
Views
4K
Band gap calculation,how to choose the Kpoints?
  • · Replies 4 ·
Replies
4
Views
4K
Finding the star of a wave vector using group theory
  • · Replies 1 ·
Replies
1
Views
6K
Head Loss in Pipe - Roughness, Velocity, Length
  • · Replies 1 ·
Replies
1
Views
2K
What is the difference between Hydrogen and Protium?
  • · Replies 3 ·
Replies
3
Views
13K
What is the hardest man made material?
  • · Replies 5 ·
Replies
5
Views
4K
Difference between SAED pattern and XRD Pattern
  • · Replies 2 ·
Replies
2
Views
10K
What is Autoionization? Understanding the Concept of Autoionization State
  • · Replies 1 ·
Replies
1
Views
3K
Alpha & Gamma Radiation Effects on CR-39 Detectors
  • · Replies 2 ·
Replies
2
Views
2K
Can a Solid Have Lower Free Energy than a Liquid at Low Packing Densities?
  • · Replies 1 ·
Replies
1
Views
3K
How a fermi level can lies between valence and conduvtion band?
  • · Replies 3 ·
Replies
3
Views
9K
Why is a triplet state said to have anti-parallel spins?
  • · Replies 4 ·
Replies
4
Views
6K
Doped Graphite May Be Superconductive Upto 230 C
  • · Replies 2 ·
Replies
2
Views
3K
Understanding Orbital Magnetic Moments in 1-Electron Atoms
  • · Replies 15 ·
Replies
15
Views
4K
Calculating the amount of time for recombination
  • · Replies 5 ·
Replies
5
Views
3K
Normal Mode Analysis at non-equilbrium structures
  • · Replies 2 ·
Replies
2
Views
2K
3D Recipricol Space Mapping of Nanowires by using x-rays
  • · Replies 1 ·
Replies
1
Views
2K
Can the atomic liquid Hydrogen exist?
  • · Replies 14 ·
Replies
14
Views
4K
Sulfate Peaks in IR: Glucosamine HCl & Glucosamine Sulfate 2KCl
  • · Replies 3 ·
Replies
3
Views
14K
Crystal Symmetry: Explaining High Temp Effects
  • · Replies 4 ·
Replies
4
Views
3K
Origin of the depletion region in a p-n junction
  • · Replies 8 ·
Replies
8
Views
4K
What is the calculation for effective nuclear charge using Slater's Rules?
  • · Replies 3 ·
Replies
3
Views
5K
Two dimensional Blume-Capel model with random crystal field
  • · Replies 4 ·
Replies
4
Views
3K
Software/database for simple crystal structure design?
  • · Replies 6 ·
Replies
6
Views
4K
Why is Si indirect semiconductor
  • · Replies 7 ·
Replies
7
Views
5K