Thommen Quentin, Mandel Paul
Optique Nonlinéaire Théorique, Université Libre de Bruxelles, Campus Plaine CP 231, 1050 Bruxelles, Belgium.
Phys Rev Lett. 2006 Feb 10;96(5):053601. doi: 10.1103/PhysRevLett.96.053601. Epub 2006 Feb 6.
We show that left-handed properties can be electromagnetically induced in a general four-level atomic medium for a finite spectral range. We use an electric (magnetic) atomic transition as an electric (magnetic) resonator to modify the permittivity (permeability), both at the same frequency. The implementation of the four-level model is carried out in atomic hydrogen and neon. In each case the existence of left-handed properties is predicted inside an experimentally reachable domain of parameters.
我们表明，在有限的光谱范围内，左旋特性可以在一般的四能级原子介质中通过电磁感应产生。我们将电（磁）原子跃迁用作电（磁）谐振器，以在相同频率下修改介电常数（磁导率）。四能级模型在氢原子和氖原子中得以实现。在每种情况下，都预测在实验可达到的参数范围内存在左旋特性。
