S=2 quantum magnetization discontinuities proportional in number to the spin s in C: Origin and the role of symmetry

NP Konstantinidis - SciPost Physics, 2023 - scipost.org
The quantum antiferromagnetic Heisenberg model on the fullerene C $ _ {60} $ in a
magnetic field has $4 s $ ground-state magnetization discontinuities with $\Delta S^ z= 2 …

Thermal Transport and Strong Mass Renormalization in

Y Kohama, AV Sologubenko, NR Dilley, VS Zapf… - Physical Review Letters, 2011 - APS
Several quantum paramagnets exhibit magnetic-field-induced quantum phase transitions to
an antiferromagnetic state that exists for H c 1≤ H≤ H c 2. For some of these compounds …

Hydrothermal synthesis and properties of pigments Chinese purple BaCuSi2O6 and dark blue BaCu2Si2O7

Y Chen, Y Zhang, S Feng - Dyes and Pigments, 2014 - Elsevier
A green chemistry strategy was developed to prepare two barium copper silicate pigments.
Chinese purple BaCuSi 2 O 6 and dark blue BaCu 2 Si 2 O 7 are synthesized through mild …

Multiple Magnon Modes and Consequences for the Bose-Einstein Condensed Phase <?format ?>in

C Rüegg, DF McMorrow, B Normand, HM Rønnow… - Physical review …, 2007 - APS
The compound BaCuSi 2 O 6 is a quantum magnet with antiferromagnetic dimers of S= 1/2
moments on a quasi-2D square lattice. We have investigated its spin dynamics by inelastic …

Bose-Einstein condensation of triplons in

AA Aczel, Y Kohama, M Jaime, K Ninios, HB Chan… - Physical Review B …, 2009 - APS
By performing heat-capacity, magnetocaloric effect, torque magnetometry, and force
magnetometry measurements up to 33 T, we have mapped out the TH phase diagram of the …

Singlet ground state in the spin-1 2 dimer compound Sr 3 Cr 2 O 8

Y Singh, DC Johnston - Physical Review B—Condensed Matter and Materials …, 2007 - APS
Magnetic susceptibility χ and specific heat C versus temperature T measurements on
polycrystalline samples of Sr 3 Cr 2 O 8 and the isostructural, nonmagnetic compound Sr 3 V …

Magnetic-field- and pressure-induced quantum phase transition in proved via magnetization measurements

N Kurita, H Tanaka - Physical Review B, 2016 - APS
We have performed magnetization measurements of the gapped quantum magnet CsFeCl 3
at temperatures (T) down to 0.5 K at ambient pressure and down to 1.8 K at hydrostatic …

Quantum criticality among entangled spin chains

N Blanc, J Trinh, L Dong, X Bai, AA Aczel, M Mourigal… - Nature Physics, 2018 - nature.com
An important challenge in magnetism is the unambiguous identification of a quantum spin
liquid,, of potential importance for quantum computing. In such a material, the magnetic …

Revealing three-dimensional quantum criticality by Sr substitution in Han purple

S Allenspach, P Puphal, J Link, I Heinmaa… - Physical Review …, 2021 - APS
Classical and quantum phase transitions (QPTs), with their accompanying concepts of
criticality and universality, are a cornerstone of statistical thermodynamics. An excellent …

Triplon band splitting and topologically protected edge states in the dimerized antiferromagnet

K Nawa, K Tanaka, N Kurita, TJ Sato… - Nature …, 2019 - nature.com
Search for topological materials has been actively promoted in the field of condensed matter
physics for their potential application in energy-efficient information transmission and …