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SUMMARY:Andrei Alexandru
DTSTART:20210428T160000Z
DTEND:20210428T170000Z
DTSTAMP:20260423T023010Z
UID:UKYhepth/41
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UKYhepth/41/
 ">Quantum computing for bosonic fields</a>\nby Andrei Alexandru as part of
  Theoretical Physics Seminars (Kentucky)\n\n\nAbstract\nAs universal quant
 um computers move from theoretical devices towards concrete\nrealizations\
 , albeit still quite experimental\, there is a lot of interest in\nunderst
 anding whether outstanding problems in nuclear physics\, like real-time\nd
 ynamics and bulk properties of nuclear matter\, could be solved using thes
 e \nmachines. For these applications we need to represent in hardware quan
 tum field \ntheories for both fermionic and bosonics degrees of freedom. D
 iscretized fermionic \nfields can be represented fully since they map natu
 rally onto qbits. On the other \nhand bosonic degrees of freedom--which ev
 en for discretized fields require an \ninfinite dimensional Hilbert space 
 at each site--require a truncation. In this \ntalk I discuss two direction
 s we investigated to address this problem: using \ndiscrete subsets to rep
 resent gauge degrees of freedom\, or truncations in a dual \nspace that th
 at preserve the original symmetries of the theory. As test-cases \nfor the
 se ideas we use pure-gauge QCD and the sigma-model.\n\nPassword: 146625\n
LOCATION:https://researchseminars.org/talk/UKYhepth/41/
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