Sunday, March 20, 2016

Question of the daiy


I'm trying to be more interactive with our students and trying to have a short discussion in class while not taking away from the lessons Larmar or Zaida are giving. This is my first Question of the Day:

Can you be average in Oakland? 

The average salary in Oakland in 2013 was $54,394. What kind of a job does it take to make at least the average salary and what are you doing now to get that job?

 As I read the question I pointed out that the average salary was nothing big. $54,394 a year works out to be about $4500 a month. Subtract taxes and you're left with $3800 or $3900 a month. Now from that subtract the average rent for a one bedroom apartment in Oakland - According to Oakland Tribune it's $2190 per month. Then subtract phone, PG&E, cable internet, food, Monthly Transit pass or car and related expenses and what does that add up to?  This question was at the end of the class and there was not much discussion time then, but I could see the students were thinking about it and I will try to discuss it with them between classes and have a new question of the day.

Al Jazeera documentary about AAMA

this Documentary includes two of our students in Aspire and Achieve. Thanks to Tom Demerath, our English and History Tutor, for providing the link.

Monday, March 14, 2016

Our Tutors Rock!

latest article by our Math and Science Tutor, Maxwell Shapiro!

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References & Citations


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Condensed Matter > Strongly Correlated Electrons

Measurement of the B1g and B2g components of the elastoresistivity tensor for tetragonal materials via transverse resistivity configurations

The elastoresistivity tensor mij,kl relates changes in resistivity to strains experienced by a material. As a fourth-rank tensor, it contains considerably more information about the material than the simpler (second-rank) resistivity tensor; in particular, for a tetragonal material, the B1g and B2g components of the elastoresistivity tensor (mxx,xxmxx,yy and 2mxy,xy, respectively) can be related to its nematic susceptibility. Previous experimental probes of this quantity have focused exclusively on differential longitudinal elastoresistance measurements, which determine the induced resistivity anisotropy arising from anisotropic in-plane strain based on the difference of two longitudinal resistivity measurements. Here we describe a complementary technique based on \textit{transverse} elastoresistance measurements. This new approach is advantageous because it directly determines the strain-induced resistivity anisotropy from a single transverse measurement. To demonstrate the efficacy of this new experimental protocol, we present transverse elastoresistance measurements of the 2mxy,xy elastoresistivity coefficient of BaFe2As2, a representative iron-pnictide that has previously been characterized via differential longitudinal elastoresistance measurements.
Comments:23 pages, 15 figures
Subjects:Strongly Correlated Electrons (cond-mat.str-el)
Cite as:arXiv:1603.03537 [cond-mat.str-el]
 (or arXiv:1603.03537v1 [cond-mat.str-el] for this version)

Submission history

From: Maxwell Shapiro [view email]
[v1] Fri, 11 Mar 2016 06:50:55 GMT (2684kb)