New perspectives on unitary coupled‐cluster theory

By Andrew G. Taube, Rodney Bartlett. 2006

268 citations recorded by the source corpus.

Subfields: Atomic and Molecular Physics, and Optics, Physical and Theoretical Chemistry

View Paper: https://www.semanticscholar.org/paper/6574bacf0fac17df6a8f58eb19b9114a0df89da7

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In Atomic and Molecular Physics, and Optics

In Physical and Theoretical Chemistry

Citations in the corpus

Variational quantum algorithms (2020, background): “Here, T = ∑ k Tk is the cluster operator [15, 16] and Tk are excitation operators.”
Barren plateaus in variational quantum computing (2024, unknown): “The unitary coupled cluster singles and doubles (UCCSD) ansatz is a problem-inspired PQC used to find the ground state of a fermionic molecular Hamiltonian using the variational quantum eigensolver 117,140,141 .”
An adaptive variational algorithm for exact molecular simulations on a quantum computer (2018, methodology): “Early efforts to combine size extensivity and variationality were pioneered by Bartlett, Kutzelnigg, and coworkers [23– 25].”
Efficient Variational Quantum Simulator Incorporating Active Error Minimization (2016, methodology): “An example is the unitary coupled cluster method [10,44], in which the energy of the trial state can be evaluated using a quantum computer when it is hard for a classical computer to do so.”
A Guided Tour of ab initio Nuclear Many-Body Theory (2020, methodology): “lear physics use the traditional ansatz (27), unitary CC (UCC) approaches that parameterize the wave function as j UCCi= eT T y j i have been used in numerous studies in quantum chemistry (see, e.g., [106, 107]). Unitary CC wave functions have also become a popular ansatz for the Variational Quantum”
Quantum Chemistry in the Age of Quantum Computing. (2018, background): “ith r, and (r;;˚) are spherical coordinates. Slater-type orbitals (STOs) have the same structure of the orbitals of hydrogenic atoms, with the radial function taking the form: RSTO n (r) = Nrn 1e r (89) where N is a normalization constant and is called the orbital exponent. The exponent controls th”
Quantum Chemistry Calculations on a Trapped-Ion Quantum Simulator (2018, background): “[84] Andrew G Taube and Rodney J Bartlett, “New perspectives on unitary coupled-cluster theory,” International Journal of Quantum Chemistry 106, 3393–3401 (2006).”