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UID:7fcd372a-87fb-4165-b9f4-459d346e018c.229600@calendar.missouristate.edu
CREATED:20231016T144606Z
LAST-MODIFIED:20231016T144606Z
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SUMMARY:PAMS Seminar: "Accelerated Variational Quantum Eigensolver with Jo
 int Bell Measurement" by Chenfeng Cao
DESCRIPTION:Chenfeng CaoHong Kong University of Science &amp;TechnologyCenter 
 for Quantum Technologies\n\n\nAbstract:\n\n\nIn this talk\, I will introd
 uce a protocol termed joint Bell measurement VQE to reduce the number of 
 measurements and speed up the VQE optimization.  VQE stands as a prominen
 t quantum-classical hybrid algorithm for near-term quantum computers to o
 btain the ground states of molecular Hamiltonians in quantum chemistry. H
 owever\, due to the non-commutativity of the Pauli operators in the Hamil
 tonian\, the number of measurements required on quantum computers increas
 es significantly as the system size grows\, which may hinder practical ap
 plications of VQE. Our method employs joint Bell measurements\, enabling 
 the simultaneous measurement of the absolute values of all expectation va
 lues of Pauli operators present in the Hamiltonian. Our approach can also
  be utilized in various quantum algorithms whose cost functions are the e
 xpectation values of many Pauli operators.\n\n\n\n\n\nThis is a Zoom semi
 nar: https://missouristate.zoom.us/j/91457682142.
X-ALT-DESC;FMTTYPE=text/html:&lt;html&gt;&lt;head&gt;&lt;title&gt;&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;p&gt;&lt;s
 trong&gt;Chenfeng Cao&lt;br&gt;&lt;/strong&gt;&lt;b&gt;Hong Kong University of Science &amp;amp\;T
 echnology&lt;br&gt;&lt;/b&gt;&lt;strong&gt;Center for Quantum Technologies&lt;/strong&gt;&lt;/p&gt;\n&lt;p
 &gt;Abstract:&lt;/p&gt;\n&lt;p&gt;In this talk\, I will introduce a protocol termed join
 t Bell measurement VQE to reduce the number of measurements and speed up 
 the VQE optimization.&amp;nbsp\; VQE stands as a prominent quantum-classical 
 hybrid algorithm for near-term quantum computers to obtain the ground sta
 tes of molecular Hamiltonians in quantum chemistry. However\, due to the 
 non-commutativity of the Pauli operators in the Hamiltonian\, the number 
 of measurements required on quantum computers increases significantly as 
 the system size grows\, which may hinder practical applications of VQE. O
 ur method employs joint Bell measurements\, enabling the simultaneous mea
 surement of the absolute values of all expectation values of Pauli operat
 ors present in the Hamiltonian. Our approach can also be utilized in vari
 ous quantum algorithms whose cost functions are the expectation values of
  many Pauli operators.&lt;/p&gt;\n&lt;p&gt;&lt;/p&gt;\n&lt;p&gt;This is a Zoom seminar:&amp;nbsp\;htt
 ps://missouristate.zoom.us/j/91457682142.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;
DTSTART;TZID=America/Chicago:20231019T090000
DTEND;TZID=America/Chicago:20231019T100000
SEQUENCE:0
URL:https://physics.missouristate.edu/seminars.htm
CATEGORIES:Public,Alumni,Current Students,Faculty,Future Students,Staff
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