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[Fizinfo] BME Fizika Tanszék Szemináriuma

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  • From: Karlo Penc <penc.karlo AT>
  • To: fizinfo AT
  • Subject: [Fizinfo] BME Fizika Tanszék Szemináriuma
  • Date: Tue, 16 May 2017 15:03:40 +0200
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Tisztelettel meghívjuk

Yasir Iqbal
(Institute for Theoretical Physics & Astrophysics, Julius-Maximilian's
University of Würzburg)

The diverse footprints of quantum spin liquids in 3D frustrated magnets

című előadására.

Időpont: 2017. május 24. 13:15

Hely: BME Fizikai Intézet, Elméleti Fizika Tanszék, Budafoki út 8. F-épület,
III lépcsőház, szemináriumi szoba

Three-dimensional frustrated magnets have recently come into limelight as
promising candidates to host the much sought after quantum spin liquid phase.
Recent experiments on pyrochlore, hyperkagome, and diamond lattice compounds
have revealed the presence of tremendously interesting and intriguing
low-energy physics. Using the recently developed pseudo-fermion functional
renormalization group (PFFRG) method which efficiently handles 3D spin
systems, we address the low-energy physics of different spin liquid candidate
materials in 3D which have been the subject of recent experimental
investigation. This includes an extraordinarily rare realization of a S=1/2
Molybdate pyrochlore (Lu2Mo2O5N2) and the spiral spin liquid phase in the
S=5/2 diamond lattice Mn-Thiospinel (MnSc2S4). The spin susceptibility
profiles obtained within PFFRG are shown to be in excellent agreement with
available neutron scattering data, which displays fascinating features, such
as the presence of cogwheels, boomerangs, and bow-ties.

Penc Karlo

  • [Fizinfo] BME Fizika Tanszék Szemináriuma, Karlo Penc, 05/16/2017

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