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cond-mat2003★ 114 cited
Magnon squeezing in an antiferromagnet: reducing the spin noise below the standard quantum limit
J. Zhao, A. V. Bragas, D. J. Lockwood +1
At absolute zero temperature, thermal noise vanishes when a physical system is in its ground state, but quantum noise remains as a fundamental limit to the accuracy of experimental…
cond-mat2003★ 16 cited
Ultrafast Dynamic Control of Spin and Charge Density Oscillations in a GaAs Quantum Well
J. M. Bao, L. N. Pfeiffer, K. W. West +1
We use subpicosecond laser pulses to generate and monitor in real time collective oscillations of electrons in a modulation-doped GaAs quantum well. The observed frequencies match…
cond-mat2003
Imaging with an Almost Perfect Lens
R. Merlin
The problem of imaging for a nearly-perfect lens, namely, a slab of a left-handed material with refractive index n = -(1-sigma)^1/2 is solved analytically for |sigma| << 1. The ele…