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Universal Behavior of Strain in Self-assembled Quantum Dots
05 May 2016 | Downloads | Contributor(s): Hesameddin Ilatikhameneh, Tarek Ahmed Ameen, Gerhard Klimeck, Rajib Rahman
This resource contains the universal behavior strain files produced by Nemo5. Attached also a Matlab script that can utilize the these compact descriptive files to produce the full strain distribution. Supported QD shapes; Cuboid, Dome, Cone, and Pyramid. Supported material systems; InAs/GaAs, InAs/InP, InP/GaAs, and InP/GaP corresponding email: firstname.lastname@example.org
Atomistic Modeling of Nano Devices: From Qubits to Transistors
13 Apr 2016 | Online Presentations | Contributor(s): Rajib Rahman
In this talk, I will describe such a framework that can capture complex interactions ranging from exchange and spin-orbit-valley coupling in spin qubits to non-equilibrium charge transport in tunneling transistors. I will show how atomistic full configuration interaction calculations of exchange in donor qubits help to propose an improved two-qubit gate in silicon. I will also show how spin-orbit-valley coupling due to interface roughness affects the spin resonance frequencies and spin lifetimes in silicon quantum dots. Finally, I will show how atomistic transport simulations help to identify the best 2D materials and designs for tunnel transistors.
Quantum Dots: Artificial Atoms & Molecules in the Solid-State
01 Aug 2014 | Online Presentations | Contributor(s): Rajib Rahman
High Precision Quantum Control of Single Donor Spins in Silicon
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14 Jan 2008 | Papers | Contributor(s): Rajib Rahman, marta prada, Gerhard Klimeck, Lloyd Hollenberg
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