Welcome to the |H(y)Qua> website! First, let me explain what the name of this site means and represents. This site is dedicated to research related to hybrid quantum-classical algorithms.
In quantum computing, quantum states are represented as vectors in a complex Hilbert space using so-called “braket” notation. For example, a row vector, also called a “ket” vectors, is denoted |a>. That explains the initial vertical line and the final right angle bracket around H(y)Qua.
The H(y) is related to one of the most promising class of hybrid quantum-classical algorithms called variational quantum algorithms (VQAs). In VQAs, the initial quantum state, typically called the ansatz, is often parameterized by a vector of variational parameters. That explains the H(y) where H is the state and y is the parameter vectors. Given an ansatz, VQAs then proceed for form a Hamiltonian related to the problem being solved, e.g. quantum chemistry, whose measurement represents a cost function which we seek to minimize using an optimizing algorithm running on a classical computer.
The Qua part of the name has a dual meaning. First it is short for Quantum Algorithms. Second, it is related to QUA which is a new quantum computing programming language developed at Quantum Machines (QM). It is based on Python and serves as an interface to QM’s OPX hardware devices enabling pulse level control of qubits and qubit operations.
This site is part of a brand new research collaboration between the Technion – Israel Institute of Technology’s CFDLAB, directed by Prof. Steven H. Frankel and two quantum computing hardware labs at the Weizmann Institute of Science. Specifically, the trapped-ion lab of Prof. Roee Ozeri and the quantum circuits lab featuring, among other research areas, superconducting qubits, of Prof. Serge Rosenblum.
The goal of the research is to bridge the gap between applications of quantum computing software and actual quantum hardware. Specifically, the goal is explore the combination of VQAs with quantum optimal control at the pulse level mediated by QM’s OPX/QUA middleware system.
At the following linked pages you will find discussions related to each of the topics listed below:
Contact: frankel@technion.ac.il