B. Lee

Measurement of spin correlations in tt‾ production using the matrix element method in the muon+jets final state in pp collisions at s=8 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The consistency of the spin correlation strength in top quark pair production with the standard model (SM) prediction is tested in the muon+jets final state. The events are selected from pp collisions, collected by the CMS detector, at a centre-of-mass energy of …

am, at, be (code pays fourni par la source)

Publisher’s Note: Universal Pulse Sequence to Minimize Spin Dephasing in the Central Spin Decoherence Problem [Phys. Rev. Lett.100, 160505 (2008)]

B. Lee, Wayne M. Witzel, Sankar Das Sarma

Received 28 April 2008DOI:https://doi.org/10.1103/PhysRevLett.100.199901©2008 American Physical Society

Model independent optimal pulse sequences to minimize spin dephasing in the central spin decoherence problem

B. Lee, Wayne M. Witzel, Sankar Das Sarma

We present a remarkable finding that a recently discovered [G. S. Uhrig, Phys. Rev. Lett. 98, 100504 (2007)] series of pulse sequences, designed to optimally restore coherence to a qubit in the spin-boson model of decoherence, is in fact completely model-independent and …