Questions tagged [solid-state-physics]
Solid-state physics studies how macroscopic properties of solids (mechanical, electrical, optical, etc.) result from their microscopic structure. It usually deals with the scale where quantum properties of the particles are substantial.
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Help with proving the von Roos kinetic energy operator is Hermitian
When calculating the kinetic energy of a variable mass quantum system, such as a semiconductor heterostructure where mass has spatial variance due to the effective mass approximation, von Roos (Phys ...
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Radiative or non-radiative emission
If a material absorbs photon, it's electron on outer valence band absorbs its energy and jumps to the higher energy level, when the band gap is similar to the photon's energy. If so, what determines ...
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Why only trap states near the intrinsic Fermi level are considered in the Shockley-Read-Hall recombination theory?
Most of the solid state device textbooks (UG level) that I went through considers trap states at the intrinsic Fermi energy while applying the Shockley-Read-Hall (SRH) theory. It is stated that these ...
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Does a cube under high pressure transform into a ball?
Will a material in the shape of a cube, under high pressure, crumble into the shape of a ball?
One would expect that there will develop strains and stresses, after which the corners crumble and ...
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Non-trivial "energy coverings" of reciprocal space
My question is about sheets of the Fermi surface and their mathematical properties.
As far as I understand, in the one-electron approximation with a weak periodic potential (Bloch approximation) you ...
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Bending of vacuum level in pn junction
The vacuum energy level is the same for both an isolated p-type and n-type materials means that the absolute energy of an electron that is just outside the p type material is the same as the absolute ...
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How to get Miller indexes from a diffraction pattern?
Working with a single crystal, what is the first thing the diffractometer has access to? What is the output I see and what are the steps from this two levels of information?
If I'm correct, the output ...
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How can electrons hop large distances if they are connected to the atom which is stationary in an lattice?
How electrons in valency and flow as they are connected to the atom and the atom is stationary but the electron travels way more distance than the size of atom that causes conduction?
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Automated determination of invariant gauge group (IGG) of spin liquid mean field ansatz
In the Abrikosov fermion mean field theory of spin liquid, the spin-1/2 operator $\mathbf{S}_i$ on each site $i$ is expressed as
$$
\mathbf{S}_i = \frac{1}{2} \sum_{\alpha,\beta}
f^\dagger_{i\alpha} \...
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X-ray diffraction: coherence of the radiation source
In diffraction/interference processes I've always thought that coherence is an important condition for the source. If I well understand this is also why we choose punctiform sources of light which ...
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Resource recommendation for state of the art understanding of glass transition
Wikipedia identifies as an "Unsolved problem in physics" the question
What is the nature of the transition between a fluid or regular solid and a glassy phase?
citing a comment by Phil ...
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Is there an easier way to generate Brillouin zone $\mathbf{k}$-points of FCC lattice?
I am new to working with 3D lattices and am wondering if there are any well-developed methods for generating all $\mathbf{k}$-points inside the first Brillouin zone (BZ) of an FCC lattice.
I use the ...
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Is it possible to have a crystal structure where you are getting peaks of different intensities at different $2\theta$ values with same $hkl$ planes?
Is it possible to have a crystal structure. where you are getting peaks of different intensities at different 2thetha values with same h k l planes? What will you be calling that system to be a single ...
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The exact formula on relativistic electron degenerate pressure
I am studying white dwarf and I need relativistic electron degenerate pressure to calculate some physical problems like Chandrasekhar limit.
I only know that $p \approx n_e^{4/3}$ but the internet ...
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Near optimally doped superconductors' Ba isotope effect data precision
Is there any freely available transition temperature data for p-type cuprate superconductor samples around optimal oxygen content as a function of average barium isotope mass in a sample and oxygen ...
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