Regarding Band gap calculation in siesta ?

Heloo All, I want to study the electronic properties of double wall carbon nanotubes using SIESTA code. For that purpose i calculate the band gap. My band gap value differs from the literature....

10 November 2019 300 3 View

How to calculate spin multiplicity in siesta ?

Dear All.... I want to calculate the spin multiplicity of the hybrid carbon nano structure. My complex contains 220 carbon atoms and 36 hydrogen atoms. please suggest me how can i calculate the...

09 October 2019 4,761 1 View

Why AB stacked bilayer graphene is more stable than AA stacked ?

I want to know, how the stacking arrangement of graphene affect its stability ?

05 June 2019 1,221 3 View

COMPUTATIONAL FACILITY ?

HII ALL, I WANT TO KNOW ABOUT CENTRALIZED COMPUTATIONAL FACILITIES IN INDIA. WHAT ARE THE INSTITUTES OR AGENCIES FROM WHERE WE GET ACCESS TO USE COMPUTATIONAL RESOURCES.?

11 December 2016 3,444 0 View

ZnO crystal structure with 16 atoms ?

10 November 2016 6,934 3 View

Computational time in SIESTA code ?

07 August 2016 8,836 2 View

Mesh cutt off and energy shift parameters in siesta ?

hii all i have a question in my mind, i am working using siesta code. now i want to shift on another job, how can i set the parameters like mesh or energy shift on the present job which i used for...

06 July 2016 1,692 1 View

Mesh cutoff and Energy Shift parameters in SIESTA code ?

I everyone, one question always struck in my mind what is the physical significance and actual meaning of two terms used in "SIESTA" code called Mesh cut off and Energy shift parameter. ? How can...

04 May 2016 3,172 0 View

How can i use vander wall interaction parameter in input file for siesta code ?

03 April 2016 883 1 View

Can anybody explain how binding energy explains the stability of any complex ?

how binding energy explain the stability of complex ?

02 March 2016 6,019 8 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View