History of EricNanoJapan (Open) (No. 7)

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  • 55 (2012-07-20 (Fri) 20:00:21)

This is Eric's logbook for Nano Japan project from 2012.6.3-2012.7.27.

updated 2012.5.18

Daily schedule†

• 09:00-10:00 Discussion (1)
• 10:00-12:00 Solve the problem and write the progress on pukiwiki
• 12:00-13:30 Lunch
• 13:30-14:30 Discussion (2)
• 14:30-16:30 Solve the problem and write the progress on pukiwiki
• 16:30-17:30 e-mail report and problems

Goal of the project.†

• Consider the time evolution of a special vibration (radial breathing mode RBM) of a single wall carbon nanotube after applying the local force at t=0 whose functional shape is a Gaussian in the real space. The time evolution is given by differential equations and solution should be given by animation gif generated by Povray and Giam software. (by R. Saito 2012.5.18)

• Keywords: Coherent phonon, radial breathing mode, carbon nanotubes, Differential equation, Fourier Transform, Povray and Giam, Mathematica

Assignment for discussion†

• Monday: Saito (morning) subject introduction to our lab. (afternoon) who
• Tuesday: Nugraha (morning + afternoon), subject: concept of coherent phonon.
• Wednesday: Hasdeo (afternoon) subject is missing
• Thursday: Tatsumi (morning) subject: the structure of nanotubes (afternoon) group meeting
• Friday: Tastumi(morning) subject is missing

Please note:†

All appointment should be done by communicating each other on what kind of subjects will you teach.

• If Eric-san asks you what he needs, please answer it with cc to me.
• If you do not have any material to need, please give him an easy question to solve.
• If Eric-san could not answer this question, it means that your question is bad (need some knowledge).
• If Eric-san can answer within 2min, it means that you gave not proper question (answer is trivial).

What does Eric-san want to†

Please list here with some simple reason or detail. List from new to old.

Example:

Hey guys! So I believe this is where I should post questions. I don't have any specific questions today, but was just trying to understand Brillouin zones and Bloch's theorem, which appear a lot in Saito-sensei's book on Carbon Nanotubes.

From google I have an ok idea of what Brillouin zones are, but am still trying to figure out how they relate to the energy gap of the cell such as on page 28 of the CN book. I was also wondering how on page 47 the Brillouin zone can be a long line segment instead of a polygon.

If anybody has any quick words of advice for how to understand Bloch's theorem that would be great as well! It's a little bit intimidating and I'm not sure if there's a simple way to begin to understand it.

Thanks so much and see you guys in a couple of weeks!

Eric

Q2:  Copy machine: Can I use the copy machine or printer?  
A2: (not solved)  

Q1:  Library: I would like to know where is the library and how to use it. 
A1: (not solved) or (solved) Hasdeo-san brought me to the library directly etc. 

Report†

This part is basically written by Eric-san. Any other people can add this. Here the information should be from new to old so that we do not need to scroll.

June 5 (Hasdeo teaches XX and YY. from 9:00-9:34) etc†

• Who gave what? (XX min)
• What is the home work?
• The answer of the home work should be put here.
• Evaluation of the answer by teacher
• Evaluation by Saito

June 4†

• task 1
• task 2
• etc...

• task 4
• etc...