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PRODID:UW-Madison-Physics-Events
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UID:UW-Physics-Event-8176
DTSTART:20230206T170000Z
DTEND:20230206T180000Z
DTSTAMP:20260408T025716Z
LAST-MODIFIED:20230127T141943Z
LOCATION:5310 Chamberlin Hall 
SUMMARY:Beyond quantum circuits with trapped-ion qubits \, Atomic Phys
 ics Seminar\, Or Katz\, Duke University
DESCRIPTION:Trapped ions are a leading quantum technology for quantum 
 computation and simulation\, with the capability to solve computationa
 lly hard problems and deepen our understanding of complex quantum syst
 ems. The quantum circuit model is the central paradigm for quantum com
 putation\, enabling the realization of various quantum algorithms by a
 pplication of multiple one- and two-qubit entangling operations. Howev
 er\, the typical number of entangling operations required by this mode
 l increases exponentially with the number of qubits\, making it diffic
 ult to apply to many problems.  <br>\nIn my presentation\, I will disc
 uss new methods for realizing quantum gates and simulations that go be
 yond the quantum circuit model. I will first describe a single-step pr
 otocol for generating native\, N-body interactions between trapped-ion
  spins\, using spin-dependent squeezing. Next\, I will present a prepa
 ration of novel phases of matter using simultaneous and reconfigurable
  spin-spin interactions. Lastly\, I will explore new avenues to harnes
 s the long-lived phonon modes in trapped-ion crystals for simulating c
 omplex bosonic and spin-boson models that are difficult to solve using
  classical methods. The presented techniques could push the performanc
 e of trapped-ion systems to solve problems that are currently beyond t
 heir reach. <br>\n
URL:https://www.physics.wisc.edu/events/?id=8176
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