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LOCATION:HG E 1.2
DTSTART;TZID=Europe/Stockholm:20240603T143000
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UID:submissions.pasc-conference.org_PASC24_sess137_msa303@linklings.com
SUMMARY:From Quantum Links to D-Theory: A Resource Efficient Framework for
  the Quantum Simulation of Gauge Theories
DESCRIPTION:Minisymposium\n\nUwe-Jens Wiese (University of Bern)\n\nQuantu
 m link models provide an extension of Wilson's lattice gauge theory in whi
 ch the link variables have operator-valued entries. For example, in a U(1)
  quantum link model the link variables are raising and lowering operators 
 of quantum spins that belong to a link-based SU(2) embedding algebra. For 
 non-Abelian SU(N), Spin(N), or Sp(N) quantum link models, the embedding al
 gebras are SU(2N), Spin(2N), and Sp(2N), respectively. In contrast to Wils
 on's framework, quantum link models can be realized in a finite-dimensiona
 l link Hilbert space corresponding to a representation of the embedding al
 gebra. This is well suited for a resource efficient implementation of quan
 tum link models in quantum simulation experiments. The quantum link dynami
 cs can be embodied with a finite number of well-controlled states of ultra
 -cold matter, including atoms in an optical lattice, ions in a trap, or qu
 antum circuits. For example, using dual variables, a densely encoded quant
 um circuit has recently been constructed for a (2+1)-d U(1) quantum link m
 odel on a triangular lattice that shows qualitatively new nematic phases w
 ith rich confining dynamics.\n\nDomain: Physics\n\nSession Chair: Marina K
 rstic Marinkovic (ETH Zurich, Ludwig Maximilian University of Munich)
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