Symmetry breaking by quantum coherence in single electron attachment

Abstract

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Resonance signatures in the body-frame valence photoionization of CF4

“…The observed asymmetry is the result of such quantum interference between resonant and non-resonant pathways. A similar effect has recently been seen in the dissociative electron attachment to H 2 , where overlapping negative ion resonances of opposite parity provide interfering pathways to the same dissociative channel 11 .…”

Breaking up is hard to do

“…Despite its pervasiveness, its physics is by no means simple, and in many cases it defines a classical explanation and can only be accurately described using quantum mechanics. Now, writing in Nature Physics [1], E. Krishnakumar and co-workers have found an asymmetry in dissociative electron attachment to hydrogen molecules-an apparent breaking of the inversion symmetry due to quantum interference effects.…”

Effect of slicing in velocity map imaging for the study of dissociation dynamics

“…In the realm of atomic and molecular physics, the velocity map imaging (VMI) technique has several advantages over the conventional turntable technique in determining the speed and angular distribution of fragmented products [4,5]. VMI is revealing its fruitfulness to the ion imaging [6][7][8][9][10][11][12] for molecular physics, physical chemistry, chemical physics, plasma physics, radiation therapy, electroninduced chemistry, biochemistry, optics and photonics etc.…”