Quantum Simulation of Hawking Radiation Using VQE Algorithm on IBM Quantum Computer

• URL: http://arxiv.org/abs/2112.15508v1
• Date: Fri, 31 Dec 2021 15:03:17 GMT
• Title: Quantum Simulation of Hawking Radiation Using VQE Algorithm on IBM Quantum Computer
• Authors: Ritu Dhaulakhandi and Bikash K. Behera
• Abstract summary: We use variational quantum eigensolver (VQE) algorithm to simulate Hawking radiation phenomenon. Three different custom ansatzes are used in the VQE algorithm from which the results for the case with minimum errors are studied.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Quantum computers have an exponential speed-up advantage over classical computers. One of the most prominent utilities of quantum computers is their ability to study complex quantum systems in various fields using quantum computational algorithms. Quantum computational algorithms can be used to study cosmological systems and how they behave with variations in the different parameters of the system. Here, we use the variational quantum eigensolver (VQE) algorithm to simulate the Hawking radiation phenomenon. VQE algorithm is a combination of quantum and classical computation methods used to obtain the minimum energy eigenvalue for a given Hamiltonian. Three different custom ansatzes are used in the VQE algorithm from which the results for the case with minimum errors are studied. We obtain the plots for temperature and power from the minimum energy eigenvalue recorded for different values of mass and distance from the center of the black hole. The final result is then analyzed and compared against already existing data on Hawking radiation.

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