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X-FROM-URL:https://eom.sdu.dk/events/ical/00bf08a1-d299-4c0f-9999-fba98894
 45a2
X-WR-CALNAME:QM Research Seminar: Using quantum annealers to calculate gro
 und state properties of molecules
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TZID:Europe/Copenhagen
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DTSTAMP:20260714T033926Z
DTSTART:20261028T030000
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DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Birgit Kaufmann [/b](Purdue University).\n\n[b]Abs
 tract: [/b]\nQuantum annealers represent an interesting approach to quant
 um computing\, which make use of the adiabatic theorem to efficiently fin
 d the ground state of a physically realizable Hamiltonian. Such devices a
 re currently commercially available and have been most successfully appli
 ed to several combinatorial and discrete optimization problems. However\,
  the application of quantum annealers to problems in chemistry remains a 
 relatively sparse area of research due to the difficulty in mapping molec
 ular systems to the Ising Hamiltonian representing the architecture of th
 e DWave quantum computer. In this talk\, we review two different methods 
 for finding the ground state of molecular Hamiltonians using Ising-model-
 based quantum annealers. In addition\, we compare the relative effectiven
 ess of each method by calculating the binding energies\, bond lengths\, a
 nd bond angles of the H3+ and H2O molecules and mapping their potential e
 nergy curves. We also assess the resource requirements of each method by 
 determining the number of qubits and computation time required to simulat
 e each molecule using various parameter values. While each of these metho
 ds is capable of accurately predicting the ground state properties of sma
 ll molecules\, we find that they are still outperformed by modern classic
 al algorithms and that the scaling of the resource requirements remains a
  challenge.
DTEND:20260319T151500Z
DTSTAMP:20260714T033926Z
DTSTART:20260319T141500Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Using quantum annealers to calculate ground s
 tate properties of molecules
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