Effect of multiple rescattering processes on harmonic emission in spatially inhomogeneous field

Zhang Cai-Ping^{1, 2}, Xia Chang-Long¹, Jia Xiang-Fu^{1, †}, Miao Xiang-Yang^{1, ‡}

The dependence of the continuum–continuum harmonic emission on CEP from 0 to 0.4π (black circles) and from π to 1.4π (black dots): (a) for the inhomogeneous field E ( x , t ) = E 0 sin 2 ( π t / t d ) cos ( ω t + ϕ ) ( 1 + β x ) , (b) for the inhomogeneous field E ( x , t ) = E 0 sin 2 ( π t / t d ) sin ( ω t + ϕ ) ( 1 + β x ) . Here β equals to 0.0065.