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Feb2313 08:41 AM
ZapperZ

1 
25,062 
In the book about fluidmechanics Landau in the first pages in the isentropic case from
dw=\frac{dp}{\rho}
...

Nov509 11:01 AM
tirrel

8 
1,980 
What are the effective mass of conduction band (mc) and valence band (mv) of insulator material Al2O3. Kindly tell me...

Aug1111 02:41 AM
islam.hashem

4 
1,980 
Background: Math & Physics undergrad
Reason for asking:
So I was trying to understand semiconductor diodes and...

Apr610 06:05 AM
JeffEvarts

3 
1,979 
Why do photons repel one another?

Dec708 03:20 PM
psmarz

6 
1,978 
Hi I'm new, to this forum and molecular science
Reading a bit about molecular orbitals, and I have to say the whole...

Aug2809 01:35 AM
PhaseShifter

7 
1,978 
Hello
I want to do numerical diagonalization of honeycomblattice tightbinding
Hamiltonian to calculate the...

Nov1511 04:19 PM
hazemmohamed

0 
1,978 
Hello experts!
I have some questions related to the XRay Diffraction using Laue's treatment.
I have attached...

Aug2212 03:42 PM
shayaan_musta

2 
1,978 
The following questions came to my mind while I was solving a problem involving a collision of an alpha particle with...

Jun1905 05:43 AM
dextercioby

2 
1,977 
I just finished reading Absolutely Small, a book on quantum physics. In it the author says that when semiconductors...

Jan1311 12:35 AM
caffenta

3 
1,977 
Hi guys
Is the following way of rewriting the sum correct?
\sum\limits_{k,k',k'',k'''} {c_k^\dag c_{k'}^{}...

Jan1211 03:20 PM
kanato

7 
1,976 
Given the following data on copper, how do i calculate the resistivity?
Relaxation time: 2.50e1014s
Density:...

Aug1511 11:02 AM
solas99

0 
1,974 
Please understand my low command of English.
I'm developing Direct Simulation Monte Carlo and I'm now validating.
...

Feb1712 10:21 PM
Nohhoon Lee

4 
1,974 
I was reading today about superfluids and the like. They were talking about how at a certain low temperature bosons...

May2505 11:09 AM
ZapperZ

9 
1,973 
Hi there! I hope someone can help me with this problem. I've been working on this for over 5 hours and I've gotten...

May1404 08:29 AM
swansont

1 
1,970 
Hello everyone;
I have little problem about a question.
If silver melts at 962C and contains an intrinsic relative...

Dec510 07:04 AM
weejee

1 
1,970 
If you have access to the Science journal, do not miss the Review article written by Elbio Dagotto in the latest issue...

Aug3105 12:22 PM
aranyakam

9 
1,969 
Hello,
I am constructing a 2d atomistic mass spring Hamiltonian with nearest neighbor bonds (harmonic potential) in...

Mar311 03:55 PM
asheg

1 
1,968 
I wonder how the radiation will interact with matter on a hypothetical place where the atoms have no electrons. Will...

May1004 04:49 PM
mathman

2 
1,967 
If we look at any spectrum the lines are due to the corresponding transitions in sample. And the line widths are due...

Dec405 06:59 PM
Meir Achuz

2 
1,967 
microwave can be used to engineering potentials for alkali atoms
i find that in the literature, people only take...

Aug1009 10:03 AM
genneth

1 
1,967 
What is the ability of water running down the face of a solid surface to attract and collect air pollutants, such as,...

Jan2408 01:37 AM
Grieverheart

1 
1,966 
Hello,
I recently had an exam in Molecular physics, in which one of the unanswered questions asked by my proff was...

Aug705 08:45 PM
Claude Bile

2 
1,965 
Its easy to understand how a photon can transfer momentum to a charged particle like an electron, but I'm not sure how...

Sep1710 11:23 PM
DaveC426913

3 
1,965 
I am trying to understand the IR spectra of liquid. I can get the autocorrelation function of atoms' velocity,...

Oct2512 09:26 AM
jiadong

6 
1,965 
hello im new in this forum.. and i would like to ask
first this is statement that i confused about
'At low values of...

Jan612 05:04 AM
asifadio

2 
1,962 
Hi all,
To my knowledge hybridization of atomc orbitals occurs only between orbitals in the same atom, with similar...

Apr811 02:23 AM
DrDu

3 
1,961 
Does there exist a database for the Partition function at different temperatures? As I understand it it only varies...

Apr2409 12:38 PM
nordmoon

3 
1,960 
Hi. Does anyone know how to perform perturbation theory for a finite well under the influence of an electric field?...

Apr1410 07:23 AM
Cerkit

5 
1,960 
What does Sn(alpha) mean? Does it have anything to do with Miller Indices?

Oct1010 07:54 PM
alxm

1 
1,960 
I have some difficulty understanding how the volume per unit cell for the diamond structure is calculated.
I've...

Aug413 02:05 AM
roam

4 
1,960 
We know that the permittivities of ferroelectric materials are dependent of temperature because of phase transitions....

Oct1406 04:32 PM
Gokul43201

2 
1,959 
Please help somebody on this problem...
When we topologically classify the defects in ordered media, we consider...

Jun1511 08:30 AM
weejee

5 
1,959 
Do the electrons revolving around the nucleus have a current associated with them?

Dec2804 12:35 AM
ConcealedDreamer

5 
1,957 
What is the molecular spacing of common items such as water, wood, copper, hydrogen, helium, glass (silicon), oxygen...

Apr705 06:57 PM
SpaceTiger

6 
1,957 
hi,
can someone explain to me how to distinguish (experimentally or theoretically) between 1st or 2nd (3rd?) order...

Apr2811 12:01 PM
marie2010

3 
1,957 
Hello,
I have a question concerning the use of wavepackets to justify the semiclassical approach in solid state...

Oct3011 01:06 PM
pedda

3 
1,957 
Does anyone recognize this expression for the pressure: p(T,\mu) = T s^*(T,\mu)
where s^* is the extreme right...

Dec2010 01:56 AM
DrDu

1 
1,956 
hi all
im trying to solve this exercise of ellipsometry.
given:
the figure show the spectrum of ellipsometry of a...

Jan108 05:51 PM
physicist888

1 
1,955 
Hi, i am running a hard disks molecular dynamics simulation. I would like to compare the radial distribution function...

Jun611 01:46 PM
Timo

1 
1,955 
Is it possible to have BoseEinstein condensation in two dimensions? Why?

Apr207 07:01 AM
xepma

2 
1,954 