Charge qubit in van der Waals heterostructures

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Author(s):	Lucatto, Bruno ; Koda, Daniel S. ; Bechstedt, Friedhelm ; Marques, Marcelo ; Teles, Lara K. Total Authors: 5
Document type:	Journal article
Source:	PHYSICAL REVIEW B; v. 100, n. 12, p. 5-pg., 2019-09-27.
Abstract
In this Rapid Communication, we develop the concept of charge qubits in van der Waals heterostructures. A theoretical proof of concept is provided for the ZrSe2/SnSe2 system, in which a framework connecting the electronic structure with quantum information is described. The quantum state is prepared by applying a vertical electric field, manipulated by short field pulses, and measured via electric currents. The proposed qubit is robust, operational at high temperature, and compatible with two-dimensional material technology, opening different avenues for the field. (AU)