What are the physical significance of Bogoliubov transformation?

It helps in the diagonalization of the many body interaction Hamiltonian (such as in BEC). However, I am interested in the physical significance of the coefficients of the operators in this...

31 December 2017 6,051 5 View

What is dipole-dipole interaction? What kind of interaction it is?

I am curious to know about dipole-dipole interaction and the origin of this interaction. how can i visualize this interaction in bulk?

10 November 2017 5,984 3 View

What is the difference between population transfer between two quantum states/system and the state transfer in quantum system?

04 May 2017 8,778 1 View

Can liquid be used to sense the forces/weak forces?

When I hit a water container, it shows ripples which is due to harmonic property of the water and are visible to eyes. But what about if amplitude is very weak and cant be seen by eyes such as...

01 February 2017 8,324 0 View

What is quantum hall effect and how can one observe it?

Please add references, if any. thanks

08 September 2016 1,203 0 View

What are the conditions for an harmonic oscillator(mesoscopic) to behave as classical or quantum oscillator?

The position of the oscillator fluctuates with a root mean square displacement amplitude del x= (Kb*T/m*w^2)^1/2, where m is mass of the oscillator and w is frequency. At high temp. oscillator...

11 December 2015 6,351 25 View

What is genetic problem? How it works?

The disorder in human body is related to mutation of genes. But how it works and on what factor does it depend?.

10 November 2015 4,248 2 View

What is your perspective about coincidences?

I have observed many times that I met with things or moments that I was thinking about(imaging) in my past. What do you think about coincidences concurring in our life? do they have any value in...

10 November 2015 965 1 View

What does it mean by entanglement of two atom with a single photon?

How can i visualize this phenomenon?...Please interpret in detail...

09 October 2015 2,552 4 View

Isn't it better to being a human than a arrogant educated person?

08 September 2015 542 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View