18 citations · 67 across the 12 of their papers we have counts for
4 papers · 1 filter
Finite-Size Spectral Signatures of Order by Quantum Disorder: A Perspective from Anderson's Tower of States
Subhankar Khatua, Griffin C. Howson, Michel J. P. Gingras +1
In frustrated magnetic systems with a subextensive number of classical ground states, quantum zero-point fluctuations can select a unique long-range ordered state, a celebrated phe…
Anharmonic Collective Oscillations in Isotropic Spin Systems and their Spectroscopic Signatures
Anna Fancelli, Matías G. Gonzalez, Subhankar Khatua +4
Spin waves are the fundamental excitations in magnetically ordered spin systems and are ubiquitously observed in magnetic materials. However, the standard understanding of spin wav…
Magnon topology driven by altermagnetism
Subhankar Khatua, Volodymyr P. Kravchuk, Kostiantyn V. Yershov +1
Altermagnets present a class of fully compensated collinear magnetic order, where the two sublattices are not related merely by time-reversal combined with lattice translation or i…
Universal temperature-dependent power law excitation gaps in frustrated quantum spin systems harboring order-by-disorder
Alexander Hickey, Jeffrey G. Rau, Subhankar Khatua +1
When magnetic moments are subject to competing or frustrated interactions, continuous degeneracies that are not protected by any symmetry of the parent Hamiltonian can emerge at th…