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[Fizinfo] Szemináriumok - Seminars: Hagymási Imre

Chronological Thread 
  • From: Szeminárium koordinátor <sem-admin AT>
  • To: SZFI User <szfkiuser AT>,Fizinfo <fizinfo AT>
  • Cc: Fizinfo <fizinfo AT>
  • Subject: [Fizinfo] Szemináriumok - Seminars: Hagymási Imre
  • Date: Thu, 15 Jun 2023 06:00:01 +0200 (CEST)
  • Authentication-results: (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)"

SZFI SeminarHagymási ImreHelmholtz-Zentrum Berlin, Wigner FKFinite and
zero-temperature properties of the quantum Heisenberg antiferromagnet on the
pyrochlore lattice - Habilitációs előadásTuesday, 20 June 2023, 10:00, KFKI
Campus, Bldg. 1, 2nd floor, Conference RoomIn the low-temperature behaviour
of quantum systems, we often encounter symmetry breaking and magnetic
ordering. In contrast, the fluctuations in many frustrated systems can be so
strong that they prevent the onset of magnetic ordering and new, exotic
phases of the matter can emerge like quantum spin liquids.The S=1/2
antiferromagnetic Heisenberg model on the pyrochlore lattice, which is a
cubic arrangement of corner-sharing tetrahedra, is one of the most famous
systems in this field. Despite several decades’ investigations, the
properties of the quantum model remain inconclusive due to the lack of
reliable theoretical tools.In this talk, I will give an overview of my
research activities in this area. I am going to show that with the help of
large-scale density-matrix renormalization group and numerical linked-cluster
expansion significant steps can be made towards the understanding the
thermodynamics and ground-state properties of this difficult problem. The
experimental relevance of the results and future research directions will be
discussed as well. &nbsp;Minden érdeklődőt szívesen látunk! - Everyone is
welcome to attend.Attila Nagysem-admin AT

  • [Fizinfo] Szemináriumok - Seminars: Hagymási Imre, Szeminárium koordinátor, 06/15/2023

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