A quantum algorithm for rovibrational Hamiltonian simulation on fault-tolerant quantum computers using hybrid DVR and Walsh-Hadamard QROM, claiming exponential resource savings over prior quantum and classical methods.
Sum of tensor products Consider an operator Mk,k′ =A aa′δbb′δcc′ +B bb′δaa′δcc′ +C cc′δbb′δaa′ where k=a+N ab+N aNbc(E16) and dimensions ofA, B, Cmatrices areN a,Nb,Nc respectively
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Simulating high-accuracy nuclear motion Hamiltonians using discrete variable representation and Walsh-Hadamard QROM on fault-tolerant quantum computers
A quantum algorithm for rovibrational Hamiltonian simulation on fault-tolerant quantum computers using hybrid DVR and Walsh-Hadamard QROM, claiming exponential resource savings over prior quantum and classical methods.