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65 papers · 1 filter
Frustration-driven unconventional magnetism in the Mn () based two-dimensional triangular-lattice antiferromagnet BaMnTaO
Romario Mondal, Sk. Soyeb Ali, Saikat Nandi +11
A triple perovskite oxide BaMnTaO has been synthesized and its magnetic properties have been investigated through dc and ac magnetization, specific heat, electron…
Exploring the nature of the emergent gauge field in composite-fermion metals: A large-scale microscopic study
Amogh Anakru, Mytraya Gattu, Ajit C. Balram +4
Field theories of the composite-fermion (CF) metal model it as a Fermi sea of composite fermions coupled to an emergent gauge field. Within a random phase approximation, these theo…
Novel Quantum Spin Liquid States in the Three-Dimensional Compound YCuSbO
Saikat Nandi, Rounak Das, M. Hemmida +10
The three-dimensional system YCuSbO consists of two inequivalent Cu sites, each forming an edge shared triangular lattice. Our m…
Dispersion of collective modes in spinful fractional quantum Hall states on the sphere
Rakesh K. Dora, Ajit C. Balram
Collective modes capture the dynamical aspects of fractional quantum Hall (FQH) fluids. Depending on the active degrees of freedom, different types of collective modes can arise in…
«Anticommuting» quantum spin liquids
Sumiran Pujari, Harsh Nigam
We discuss a class of lattice quantum Hamiltonians with bond-dependent Ising couplings and a mutually «anticommuting» algebra of extensively many local $\mathbb{Z}_…
Pseudocriticality in antiferromagnetic spin chains
Sankalp Kumar, Sumiran Pujari, Jonathan D'Emidio
Weak first-order pseudocriticality with approximate scale invariance has been observed in a variety of settings, including the intriguing case of deconfined criticality in 2+1 dime…