scholarly journals Frustrated quantum Ising spins simulated by spinless bosons in a tilted lattice: From a quantum liquid to antiferromagnetic order

2012 ◽  
Vol 86 (18) ◽  
Author(s):  
Susanne Pielawa ◽  
Erez Berg ◽  
Subir Sachdev
Keyword(s):  
Antiferromagnetic Order ◽  
Quantum Liquid ◽  
Tilted Lattice ◽  
Ising Spins

scholarly journals Canted antiferromagnetic order and spin dynamics in the honeycomb-lattice compound Tb2Ir3Ga9

2021 ◽  
Vol 103 (18) ◽  
Author(s):  
Feng Ye ◽  
Zachary Morgan ◽  
Wei Tian ◽  
Songxue Chi ◽  
Xiaoping Wang ◽  
...  
Keyword(s):  
Spin Dynamics ◽  
Antiferromagnetic Order ◽  
Honeycomb Lattice

scholarly journals Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
S. X. M. Riberolles ◽  
T. V. Trevisan ◽  
B. Kuthanazhi ◽  
T. W. Heitmann ◽  
F. Ye ◽  
...  
Keyword(s):  
Density Functional ◽  
Surface States ◽  
Antiferromagnetic Order ◽  
Functional Theory ◽  
Magnetic Symmetry ◽  
Integer Quantum ◽  
Symmetry Protected ◽  
Topological Crystalline Insulator ◽  
Low Symmetry ◽  
Crystalline Symmetry

AbstractKnowledge of magnetic symmetry is vital for exploiting nontrivial surface states of magnetic topological materials. EuIn2As2 is an excellent example, as it is predicted to have collinear antiferromagnetic order where the magnetic moment direction determines either a topological-crystalline-insulator phase supporting axion electrodynamics or a higher-order-topological-insulator phase with chiral hinge states. Here, we use neutron diffraction, symmetry analysis, and density functional theory results to demonstrate that EuIn2As2 actually exhibits low-symmetry helical antiferromagnetic order which makes it a stoichiometric magnetic topological-crystalline axion insulator protected by the combination of a 180∘ rotation and time-reversal symmetries: $${C}_{2}\times {\mathcal{T}}={2}^{\prime}$$ C 2 × T = 2 ′ . Surfaces protected by $${2}^{\prime}$$ 2 ′ are expected to have an exotic gapless Dirac cone which is unpinned to specific crystal momenta. All other surfaces have gapped Dirac cones and exhibit half-integer quantum anomalous Hall conductivity. We predict that the direction of a modest applied magnetic field of μ0H ≈ 1 to 2 T can tune between gapless and gapped surface states.

scholarly journals Canted antiferromagnetic order in the monoaxial chiral magnets V1/3TaS2 and V1/3NbS2

2020 ◽  
Vol 4 (5) ◽  
Author(s):  
K. Lu ◽  
D. Sapkota ◽  
L. DeBeer-Schmitt ◽  
Y. Wu ◽  
H. B. Cao ◽  
...  
Keyword(s):  
Antiferromagnetic Order

scholarly journals Columnar antiferromagnetic order of a MBene monolayer

2021 ◽  
Vol 103 (14) ◽  
Author(s):  
Ilkay Ozdemir ◽  
Yelda Kadioglu ◽  
Yusuf Yüksel ◽  
Ümit Akıncı ◽  
Olcay Üzengi Aktürk ◽  
...  
Keyword(s):  
Antiferromagnetic Order
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