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quant-ph2005★ 1 cited
Free spin quantum computation with semiconductor nanostructures
Wei-Min Zhang, Yin-Zhong Wu, Chopin Soo
Taking the excess electron spin in a unit cell of semiconductor multiple quantum-dot structure as a qubit, we can implement scalable quantum computation without resorting to spin-s…
quant-ph2004
Universal quantum computation with electron spins in quantum dots based on superpositions of spacetime paths and Coulomb blockade
Cyrus C. Y. Lin, Chopin Soo, Yin-Zhong Wu +1
Using electrostatic gates to control the electron positions, we present a new controlled-NOT gate based on quantum dots. The qubit states are chosen to be the spin states of an exc…
quant-ph2003★ 1 cited
Wigner rotations, Bell states, and Lorentz invariance of entanglement and von Neumann entropy
Chopin Soo, Cyrus C. Y. Lin
We compute, for massive particles, the explicit Wigner rotations of one-particle states for arbitrary Lorentz transformations; and the explicit Hermitian generators of the infinite…