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Atomic and Condensed Matter Forum

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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Density Fluctuation: What Is It & How Does Hydrogen Bonding Enhance?

Feb 9, 2014 · Replies 1 · Feb 12, 2014

Replies: 1

Views: 3K

How to Model Drude Materials using FDTD

Feb 11, 2014 · Replies 1 · Feb 12, 2014

Replies: 1

Views: 4K

Einstein Model vs Debye model.

Feb 11, 2014 · Replies 3 · Feb 12, 2014

Replies: 3

Views: 8K

How Does Mean Field Theory Explain Spontaneous Symmetry Breaking?

Feb 10, 2014 · Replies 1 · Feb 11, 2014

Replies: 1

Views: 2K

Bounds on the chemical potential of electrons

Feb 7, 2014 · Replies 4 · Feb 7, 2014

Replies: 4

Views: 2K

Atom Energy in Crystals: Gibbs Free Energy

Jan 28, 2014 · Replies 4 · Feb 7, 2014

Replies: 4

Views: 2K

Bragg diffraction - How to make sense of it ?

Jan 25, 2014 · Replies 5 · Feb 5, 2014

Replies: 5

Views: 3K

Can Any Molecular Crystal Be Used in Bragg's X-Ray Spectrometer?

Feb 4, 2014 · Replies 1 · Feb 5, 2014

Replies: 1

Views: 3K

Heisenberg Hamiltonian for 2 Electron System: Get Relation (1)

Feb 5, 2014 · Replies 1 · Feb 5, 2014

Replies: 1

Views: 2K

Spin orbit and double group representations

Feb 2, 2014 · Replies 5 · Feb 4, 2014

Replies: 5

Views: 7K

Predicting Crystal Shapes: Wulfs Theorem

Feb 2, 2014 · Replies 6 · Feb 3, 2014

Replies: 6

Views: 3K

Localized absorption of photons and carrier generation

Jan 28, 2014 · Replies 3 · Feb 1, 2014

Replies: 3

Views: 2K

Protons Neutrons and Electrons in a neutron star

Feb 1, 2014 · Replies 1 · Feb 1, 2014

Replies: 1

Views: 4K

Heat insulating material near abs zero

Jan 28, 2014 · Replies 2 · Jan 31, 2014

Replies: 2

Views: 2K

Can Vortices in Type II Superconductors Move?

Jan 27, 2014 · Replies 1 · Jan 28, 2014

Replies: 1

Views: 2K

Understanding Hamiltonian with Even/Odd Bonds

Jan 27, 2014 · Replies 2 · Jan 28, 2014

Replies: 2

Views: 2K

What are the roles of gas and solid in nanowire growth using the VLS method?

Jan 25, 2014 · Replies 4 · Jan 27, 2014

Replies: 4

Views: 3K

Level Broadening at interfaces

Jan 26, 2014 · Replies 1 · Jan 26, 2014

Replies: 1

Views: 2K

Why does high reflectivity correspond to an absorption peak?

Jan 23, 2014 · Replies 9 · Jan 25, 2014

Replies: 9

Views: 3K

What is Correlation Length and How is it Related to Surface Roughness?

Jan 21, 2014 · Replies 5 · Jan 24, 2014

Replies: 5

Views: 42K

How to interpret the powder diffraction?

Jan 7, 2014 · Replies 5 · Jan 23, 2014

Replies: 5

Views: 6K

Eigenvalue of the system and the one of its part

Jan 21, 2014 · Replies 1 · Jan 21, 2014

Replies: 1

Views: 2K

How Does Electron Beam Lithography Work for Patterning Gold on a Substrate?

Jan 21, 2014 · Replies 1 · Jan 21, 2014

Replies: 1

Views: 2K

Constant for different types of lattices

Jan 19, 2014 · Replies 3 · Jan 21, 2014

Replies: 3

Views: 2K

Persistence of a knotted Abrikosov vortex

Jan 18, 2014 · Replies 1 · Jan 21, 2014

Replies: 1

Views: 2K

Transmission coefficient in reaction rate theory

Jan 17, 2014 · Replies 1 · Jan 18, 2014

Replies: 1

Views: 3K

Valence and conduction bands in an n-type material

Jan 16, 2014 · Replies 5 · Jan 17, 2014

Replies: 5

Views: 3K

Properties of the Dirac point and Topological Insulators

Jan 14, 2014 · Replies 4 · Jan 16, 2014

Replies: 4

Views: 2K

Why is the quantum defect less dependent on n than l in alkali atoms?

Jan 14, 2014 · Replies 1 · Jan 16, 2014

Replies: 1

Views: 3K

Must know about Thulium ferrite magnets

Jan 11, 2014 · Replies 10 · Jan 15, 2014

Replies: 10

Views: 5K

How Does the Lorentz Force Act on a Superconducting Ring in BCS Theory?

Jan 3, 2014 · Replies 4 · Jan 13, 2014

Replies: 4

Views: 3K

Why do atoms have magnetic moments, but no electric dipole moments?

Jan 9, 2014 · Replies 4 · Jan 10, 2014

Replies: 4

Views: 3K

Collisional excitation of diatomic molecules

Jan 9, 2014 · Replies 1 · Jan 9, 2014

Replies: 1

Views: 3K

Can Phonon Transport in Photonic Crystals Unlock New Discoveries?

Jan 5, 2014 · Replies 1 · Jan 8, 2014

Replies: 1

Views: 2K

Magnetic Anisotropy: Factors & Fe3+ vs Mn3+ in Octahedral

Jan 6, 2014 · Replies 1 · Jan 8, 2014

Replies: 1

Views: 2K

Which way does the magnetism of the cubic iron struture point?

Jan 8, 2014 · Replies 1 · Jan 8, 2014

Replies: 1

Views: 2K

Drude model electron interaction

Jan 6, 2014 · Replies 2 · Jan 7, 2014

Replies: 2

Views: 3K

The title for this content could be What are Spherical Even Even Nuclei?

Jan 6, 2014 · Replies 1 · Jan 6, 2014

Replies: 1

Views: 2K

Scattering in Solid State Theory.

Jan 5, 2014 · Replies 6 · Jan 6, 2014

Replies: 6

Views: 3K

Weak Localization, Anderson Localization and disorder

Jan 3, 2014 · Replies 3 · Jan 4, 2014

Replies: 3

Views: 5K

X-ray diffraction or reflection?

Dec 24, 2013 · Replies 7 · Jan 4, 2014

Replies: 7

Views: 10K

Understanding tight binding model

May 9, 2013 · Replies 1 · Jan 3, 2014

Replies: 1

Views: 3K

A Simple Crystallography Question

Dec 30, 2013 · Replies 1 · Jan 3, 2014

Replies: 1

Views: 2K

Gibbs free energy and enthelpy relationship

Dec 28, 2013 · Replies 1 · Jan 2, 2014

Replies: 1

Views: 3K

Energy resolution of triple-axis spectrometer

Dec 30, 2013 · Replies 5 · Dec 31, 2013

Replies: 5

Views: 4K

What do the peaks in the reflectance spectrum of silicon samples represent?

Dec 13, 2013 · Replies 1 · Dec 31, 2013

Replies: 1

Views: 3K

Real microstates change within mixing two gases

Dec 31, 2013 · Replies 1 · Dec 31, 2013

Replies: 1

Views: 2K

How can the band-gap structure be determined using the E-k graph?

Dec 14, 2013 · Replies 1 · Dec 31, 2013

Replies: 1

Views: 5K

Why are Fe, Ni, Co ferromagnetic among metals?

Dec 30, 2013 · Replies 2 · Dec 30, 2013

Replies: 2

Views: 8K

Quasiparticles,Plasmons,and exotic atoms

Dec 28, 2013 · Replies 5 · Dec 30, 2013

Replies: 5

Views: 3K

Why isn't chromium's electron configuration 2, 8, 12, 2?

Dec 29, 2013 · Replies 1 · Dec 29, 2013

Replies: 1

Views: 4K

Semiconductor and fermi energy

Dec 26, 2013 · Replies 3 · Dec 28, 2013

Replies: 3

Views: 3K

Superconductors and the Meissner Effect

Dec 26, 2013 · Replies 8 · Dec 28, 2013

Replies: 8

Views: 6K

MD: Lennard Jones Hi: Troubleshooting Divergences in Simulations

Dec 24, 2013 · Replies 2 · Dec 25, 2013

Replies: 2

Views: 4K

Bragg's law and the distribution of electromagnetic energy.

Dec 24, 2013 · Replies 1 · Dec 25, 2013

Replies: 1

Views: 2K

Single electron transistor at high-temperature

Dec 24, 2013 · Replies 1 · Dec 24, 2013

Replies: 1

Views: 2K

What is the value of N in the CBH model for electrical conductivity?

Dec 19, 2013 · Replies 11 · Dec 22, 2013

Replies: 11

Views: 3K

We can't have elastic scattering even theoretically

Nov 28, 2013 · Replies 16 · Dec 20, 2013

Replies: 16

Views: 4K

Interpreting 2-D FFTs of images

Dec 15, 2013 · Replies 1 · Dec 20, 2013

Replies: 1

Views: 2K

Understanding the Unit Cell of Wurtzite Crystal Structure: A Brief Overview

Dec 18, 2013 · Replies 1 · Dec 19, 2013

Replies: 1

Views: 4K

How does atomic force microscope create tunnelling?

Dec 17, 2013 · Replies 3 · Dec 18, 2013

Replies: 3

Views: 2K

Can RF Sputtering cause the the ejected target to ionise?

Dec 16, 2013 · Replies 2 · Dec 16, 2013

Replies: 2

Views: 3K

High-Temperature Superconductor Transport

Dec 13, 2013 · Replies 2 · Dec 16, 2013

Replies: 2

Views: 2K

Why the mass action law is not valid for very low temperatures?

Dec 5, 2013 · Replies 1 · Dec 15, 2013

Replies: 1

Views: 3K

Do molecules have intrinsic magnetic fields?

Dec 12, 2013 · Replies 7 · Dec 13, 2013

Replies: 7

Views: 3K

Fluctuating XRD Sapphire Intensity

Dec 9, 2013 · Replies 4 · Dec 12, 2013

Replies: 4

Views: 5K

Applicability of Ising model on real materials

Dec 11, 2013 · Replies 1 · Dec 12, 2013

Replies: 1

Views: 3K

Is the energy density normalized differently in the quantum case?

Dec 7, 2013 · Replies 1 · Dec 10, 2013

Replies: 1

Views: 2K

How were atomic masses determined before mass spectroscopy existed?

Dec 10, 2013 · Replies 3 · Dec 10, 2013

Replies: 3

Views: 2K

Time resolved Photoluminescence analysis

Dec 2, 2013 · Replies 2 · Dec 9, 2013

Replies: 2

Views: 3K

Crystal Directions: Finding Basis Vectors

Dec 7, 2013 · Replies 1 · Dec 8, 2013

Replies: 1

Views: 2K

Dopants at adjacent sites. Probability. Solid State Physics.

Dec 6, 2013 · Replies 1 · Dec 7, 2013

Replies: 1

Views: 3K

Significance Of Fermi Level in Semiconductor

Dec 6, 2013 · Replies 3 · Dec 7, 2013

Replies: 3

Views: 9K

Exact diagonalization by Bogoliubov transformation

Dec 6, 2013 · Replies 2 · Dec 6, 2013

Replies: 2

Views: 4K

Total Energy of 2 Photons from Positron-Electron Boom

Dec 5, 2013 · Replies 1 · Dec 6, 2013

Replies: 1

Views: 2K

Miller Indices (hklj): Hexagonal Lattice Explained

Dec 4, 2013 · Replies 8 · Dec 5, 2013

Replies: 8

Views: 3K

What Is the Real Mechanism Behind Raman Spectroscopy?

Nov 2, 2011 · Replies 5 · Dec 4, 2013

Replies: 5

Views: 6K

Do phonons conserve momentum or not?

Jun 3, 2012 · Replies 18 · Dec 3, 2013

Replies: 18

Views: 15K

What is the reason for weak force?

Dec 2, 2013 · Replies 2 · Dec 3, 2013

Replies: 2

Views: 2K

Understanding the schoenflies notation

Dec 1, 2013 · Replies 3 · Dec 2, 2013

Replies: 3

Views: 4K

Relation between crystal momentum of the electron and other momentums

Nov 19, 2013 · Replies 1 · Dec 2, 2013

Replies: 1

Views: 3K

Surface plasmons and hot electrons

Nov 27, 2013 · Replies 5 · Dec 1, 2013

Replies: 5

Views: 2K

Do intramolecular bonds vibrate in solids ?

Nov 27, 2013 · Replies 9 · Nov 30, 2013

Replies: 9

Views: 3K

Three different electron configurations in a semiconductor

Nov 29, 2013 · Replies 1 · Nov 29, 2013

Replies: 1

Views: 2K

Relation between liquid water pressure and it's molecular dynamics

Nov 28, 2013 · Replies 1 · Nov 29, 2013

Replies: 1

Views: 2K

Welcome to the P-n Junction Inquiry

Nov 27, 2013 · Replies 5 · Nov 29, 2013

Replies: 5

Views: 3K

First pressure derivative of bulk modulus at zero pressure

Nov 29, 2013 · Replies 1 · Nov 29, 2013

Replies: 1

Views: 3K

Proton magnetic moment flip angle 54.7 in an external magnetic field

Nov 27, 2013 · Replies 1 · Nov 27, 2013

Replies: 1

Views: 2K

Qualitative explanation of radiative transitions and selection rules.

Nov 23, 2013 · Replies 2 · Nov 27, 2013

Replies: 2

Views: 3K

SQUID (superconducting quantum interference device)

Nov 25, 2013 · Replies 3 · Nov 26, 2013

Replies: 3

Views: 3K

How does an emission take place by radiation?

Nov 24, 2013 · Replies 3 · Nov 25, 2013

Replies: 3

Views: 2K

The role of phonons in momentum conservation

Nov 25, 2013 · Replies 5 · Nov 25, 2013

Replies: 5

Views: 3K

Van Hove singularity for a two dimensional lattice

Nov 24, 2013 · Replies 6 · Nov 24, 2013

Replies: 6

Views: 6K

Can photovoltaic cells capture gamma photons?

Oct 9, 2011 · Replies 10 · Nov 24, 2013

Replies: 10

Views: 17K

Fermi Distribution: Explaining (1) & (2) in My Book Notes

Nov 5, 2013 · Replies 1 · Nov 23, 2013

Replies: 1

Views: 2K

Do nano-metals become semiconductors?

Nov 22, 2013 · Replies 2 · Nov 23, 2013

Replies: 2

Views: 2K

External Magnetic Field & Electron Spin Interaction

Nov 22, 2013 · Replies 3 · Nov 23, 2013

Replies: 3

Views: 2K

Crystallinity and electron transport

Nov 16, 2013 · Replies 1 · Nov 22, 2013

Replies: 1

Views: 2K

Finding the bond length of hydrogen theoretically

Nov 21, 2013 · Replies 1 · Nov 21, 2013

Replies: 1

Views: 3K

Is my background too weak to study superconductivity?

Nov 21, 2013 · Replies 2 · Nov 21, 2013

Replies: 2

Views: 3K

Atomic and Condensed Matter

Welcome to the Atomic Physics forum!

Atomic and condensed matter physics are two closely related branches of physics. Atomic physics focuses on the study of atoms, investigating their structure, behavior, and interactions with electromagnetic radiation.

It delves into phenomena such as atomic spectra, quantum states, and atomic transitions. Condensed matter physics, on the other hand, extends these principles to study the properties and behaviors of solid and liquid matter in bulk, dealing with materials like metals, semiconductors, and liquids.

This field explores concepts such as phase transitions, crystal structures, and electronic properties of condensed phases. Both atomic and condensed matter physics contribute significantly to our understanding of the fundamental properties of matter and find applications in various technological advancements and material science.

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