How can I block the coupling between adjacent waveguides?

I have a number of nonlinear waveguides, say six. I don't want coupling between specific two waveguides. Other than keeping them large distance away, what are the other possibilities to ensure no...

06 July 2014 8,805 13 View

Is parity-time symmetry a fundamental aspect of nature? Both locally and globally?

In recent times, the study of parity-time symmetry has been quite active in diverse areas of physics (i.e. quantum field theory, open quantum systems) and in optics it has been experimentally...

03 April 2014 6,864 5 View

Can PT-symmetric system yield chaotic solutions?

I want to know what are the restrictions for these two effects to study together.

08 September 2013 3,204 2 View

Can the universe be computer-like simulation?

Physicists have devised a new experiment to test if the universe is a computer. A philosophical thought experiment has long held that it is more likely than not that we're living inside a...

08 September 2013 2,121 14 View

What is void or nothingness?

In fact, is absolute nothingness under logical acceptance? How does it depend on reference frame we are talking about?

07 August 2013 8,966 88 View

What's your take on Fibonacci series?

Given the fact that it is considered one of the mysterious mathematical entity having its presence in nature, science, art so on. It is also said that it could be the secret code of nature...

06 July 2013 7,170 52 View

What is physical significance of Parity-Time symmetry?

In recent research perspective this is very important field. Parity operation is reversal of co-ordinate (x->-x, p->-p)and time reversal operation is reversal of time (x->x,p->-p, i->-i). But...

03 April 2013 9,637 3 View

What's so special about Fibonacci Series? Can it explain how everything evolved in nature?

We see Fibonacci series in the way the flowers are made in, the spiral galaxies are formed by, or even so many parts of organ of creatures are biologically evolved over time ( say hard shell of...

02 March 2013 3,005 6 View

Is Nature deterministic or probabilistic?

Keeping in mind, the contrasting classical and the quantum world.

31 December 2012 7,599 12 View

What is time? Is it discrete or continuous?

Apart from that time is a physical quantity, if we try to understand time a bit more physically and intuitively then it won't be that simple. It looks like time is a sort of inherent property...

31 December 2012 6,079 25 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View