Quantum Physics

   

Digital Quantum Simulation of Laser-Pulse Induced Tunneling Mechanism in Chemical Isomerization Reaction

Authors: Kuntal Halder, Narendra N. Hegade, Bikash K. Behera, Prasanta K. Panigrahi

Using quantum computers to simulate polyatomic reaction dynamics has an exponential advantage in the amount of resources needed over classical computers. Here we demonstrate an exact simulation of the dynamics of the laser-driven isomerization reaction of assymetric malondialdehydes. We discretize space and time, decompose the Hamiltonian operator according to the number of qubits and use Walsh-series approximation to implement the quantum circuit for diagonal operators. We observe that the reaction evolves by means of a tunneling mechanism through a potential barrier and the final state is in close agreement with theoretical predictions. All quantum circuits are implemented through IBM's QISKit platform in an ideal quantum simulator.

Comments: 6 pages, 7 figures

Download: PDF

Submission history

[v1] 2018-08-03 01:30:44

Unique-IP document downloads: 12 times

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