Digital Quantum Simulation of the Spin-Boson Model under Markovian Open-System Dynamics

Digital quantum computers have the potential to simulate complex quantum systems. The spin-boson model is one of such systems, used in disparate physical domains. Importantly, in a number of setups, the spin-boson model is open, i.e. the system is in contact with an external environment which can, for instance, cause the decay of the spin state.  Leong Chuan Kwek discusses how to simulate such open quantum dynamics in a digital quantum computer, for which we use one of IBM’s hardware. 

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LC Kwek is currently a Principal Investigator (PI) at the Center for Quantum Technologies, National University of Singapore. He is currently a co-Director of the Quantum Science and Engineering Centre at the Nanyang Technological University. He was (until December 2020) also the current Deputy Secretary General of the International Union of Pure and Applied Physics (IUPAP). Other appointments include: the regional representative of Organization of Chinese Physicists and Astronomers (USA); the Secretary General for the South East Asian Theoretical Physics Association; Council Member for Working Group 5, IUPAP, on Women in Physics; Council Member of Tan Kah Kee Foundation and International Society; the Secretary General, Federation of ASEAN Physics Societies; the President of the Asian Physics Olympiad International Board (since 2015), etc. He was one of the founding Co-Director of the Quantum Engineering Program, NRF; a past President of the Institute of Physics, Singapore (2008-2012); Fujitsu Visiting Professor at the University of Cambridge (2004).

Image courtesy of interviewee

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