2008.07.18-l5-datta-handout

2008.07.18-l5-datta-handout -...

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Unformatted text preview: http://www.nanohub.org/courses/cqt NCN Supriyo Datta Nanoelectronics and the meaning of resistance 1a,b: What and where is the resistance? 2a,b: Quantum transport 3a,b: Spins and magnets 4a,b: Maxwells demon 5a,b: Correlations and entanglement 0.1 mm 10 m 1 m 0.1 m 10 nm 1 nm 0.1 nm Macroscopic dimensions I V <--- L ---> Atomic dimensions http://www.nanohub.org/courses/cqt NCN Supriyo Datta Lecture 5a: Correlation-0.2 0.2 0.4 0.6 0.8 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 / 1 2 U i = U N Restricted SCF Exact Needs picture in Fock space U i = U ( N N i ) Unrestricted SCF A simple example to illustrate the meaning of correlation 2 1 Normalized current http://www.nanohub.org/courses/cqt NCN Supriyo Datta Coulomb blockade and strong correlation 00 11 01 10 1 2 / 1 2 / P 00 = (1 f )*(1 f ) P 10 = f *(1 f ) P 01 = (1...
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This note was uploaded on 01/30/2011 for the course ECE 659 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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2008.07.18-l5-datta-handout -...

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