67 citations · 511 across the 30 of their papers we have counts for
31 papers
Staged emergence of anomalous Hall transport in a correlated uranium Weyl semimetal
Sabin Regmi, Shuxiang Zhou, Chandan K. Singh +9
Understanding how electronic correlations reshape topological states remains a central challenge in quantum materials. Here we investigate the uranium ferromagnet UPS using magneto…
Topological character of the antiferromagnetic EuMgBi
Mazharul Islam Mondal, Issam Mahraj, Milo Sprague +8
Antiferromagnetic EuMPn compounds, where M is a metal element and Pn is a pnictogen element, have been recognized as candidates for realizing a topologically nontrivial…
Observation of momentum dependent charge density wave gap in EuTe4
Iftakhar Bin Elius, Nathan Valadez, Gyanendra Dhakal +10
The occurrence of charge density wave (CDW) phenomena, particularly in low dimensional rare-earth chalcogenides, has attracted substantial research interest. Among these materials,…
Impact of dynamic Jahn-Teller effect on magnetic excitations, lattice vibration, and thermal conductivity in UxTh1-xO2 system
Saqeeb Adnan, Zilong Hua, Puspa Upreti +11
Vibrational and magnetic properties of single-crystal uranium-thorium dioxide (UxTh1-xO2) with a full range of 0<x<1 is investigated. Thorium dioxide is a diamagnet whose thermal p…
Observation of paramagnetic spin-degeneracy lifting in EuZn2Sb2
Milo X. Sprague, Sabin Regmi, Barun Ghosh +9
Taken together, time-reversal and spatial inversion symmetries impose a two-fold spin degeneracy of the electronic states in crystals. In centrosymmetric materials, this degeneracy…
Electronic Structure of a Nodal Line Semimetal Candidate TbSbTe
Iftakhar Bin Elius, Jacob F Casey, Sabin Regmi +15
The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magn…
Electronic structure in a transition metal dipnictide TaAs2
Sabin Regmi, Cheng-Yi Huang, Mojammel A. Khan +11
The family of transition metal dipnictides (TMDs) has been of theoretical and experimental interest because this family hosts topological states and extremely large magnetoresistan…
Complex Fermiology and Electronic Structure of Antiferromagnet EuSnP
Milo Sprague, Anup Pradhan Sakhya, Sabin Regmi +8
We studied the electronic structure of a layered antiferromagnetic metal, EuSnP, in the paramagnetic and in the antiferromagnetic phase using angle resolved photoemission spectrosc…
Electronic structure in a rare-earth based nodal-line semimetal candidate PrSbTe
Sabin Regmi, Iftakhar Bin Elius, Anup Pradhan Sakhya +10
Nodal line semimetals feature topologically protected band crossings between the bulk valence and conduction bands that extend along a finite dimension in the form of a line or a l…
Observation of flat and weakly dispersing bands in a van der Waals semiconductor Nb3Br8 with breathing kagome lattice
Sabin Regmi, Anup Pradhan Sakhya, Tharindu Fernando +15
Niobium halides, Nb3X8 (X = Cl,Br,I), which are predicted two-dimensional magnets, have recently gotten attention due to their breathing kagome geometry. Here, we have studied the…
Raman Study of Layered Breathing Kagome Lattice Semiconductor Nb3Cl8
Dylan A. Jeff, Favian Gonzalez, Kamal Harrison +11
Niobium chloride (Nb3Cl8) is a layered 2D semiconducting material with many exotic properties including a breathing kagome lattice, a topological flat band in its band structure, a…
Observation of momentum-dependent charge density wave gap in a layered antiferromagnet GdTe3
Sabin Regmi, Iftakhar Bin Elius, Anup Pradhan Sakhya +12
Charge density wave (CDW) ordering has been an important topic of study for a long time owing to its connection with other exotic phases such as superconductivity and magnetism. Th…
Revealing the intrinsic electronic structure and complex fermiology of YRu2Si2 using angle-resolved photoemission spectroscopy
Anup Pradhan Sakhya, Sabin Regmi, Milo Sprague +6
We performed a detailed study of the intrinsic electronic structure of YRu2Si2 employing angleresolved photoemission spectroscopy (ARPES) and density-functional theory (DFT) based…
Observation of gapless nodal-line states in NdSbTe
Sabin Regmi, Robert Smith, Anup Pradhan Sakhya +7
Lanthanide (Ln) based systems in the ZrSiS-type nodal-line semimetals have been subjects of research investigations as grounds for studying the interplay of topology with possible…
Observation of anisotropic Dirac cones in the topological material Ti2Te2P
Gyanendra Dhakal, Firoza Kabir, Ashis K. Nandy +12
Anisotropic bulk Dirac (or Weyl) cones in three dimensional systems have recently gained intense research interest as they are examples of materials with tilted Dirac (or Weyl) con…
Spectroscopic evidence of flat bands in breathing kagome semiconductor Nb3I8
Sabin Regmi, Tharindu Fernando, Yuzhou Zhao +10
Kagome materials have become solid grounds to study the interplay among geometry, topology, correlation, and magnetism. Recently, semiconductors Nb3X8(X = Cl, Br, I) have been pred…
Complex electronic structure evolution of NdSb across the magnetic transition
Anup Pradhan Sakhya, Baokai Wang, Firoza Kabir +12
The rare-earth monopnictide (REM) family, which hosts magnetic ground states with extreme magnetoresistance, has established itself as a fruitful playground for the discovery of in…
Observation of Fermi arcs and Weyl nodes in a non-centrosymmetric magnetic Weyl semimetal
Anup Pradhan Sakhya, Cheng-Yi Huang, Gyanendra Dhakal +15
Weyl semimetal (WSM), a novel state of quantum matter, hosts Weyl fermions as emergent quasiparticles resulting from the breaking of either inversion or time-reversal symmetry. Mag…
Ultrafast relaxation of acoustic and optical phonons in a topological nodal-line semimetal ZrSiS
Yangyang Liu, Gyanendra Dhakal, Anup Pradhan Sakhya +7
Despite being the most studied nodal line semimetal, a clear understanding of the transient state relaxation dynamics and the underlying mechanism in ZrSiS is lacking. Using time a…
Unusual magnetic and transport properties in HoMnSn kagome magnet
Firoza Kabir, Randall Filippone, Gyanendra Dhakal +11
With intricate lattice structures, kagome materials are an excellent platform to study various fascinating topological quantum states. In particular, kagome materials, revealing la…
Anisotropically large anomalous and topological Hall effect in a kagome magnet
Gyanendra Dhakal, Fairoja Cheenicode Kabeer, Arjun K. Pathak +12
Recently, kagome materials have become an engrossing platform to study the interplay among symmetry, magnetism, topology, and electron correlation. The latest works on RMn6Sn6 (R =…
Observation of multiple nodal-lines in SmSbTe
Sabin Regmi, Gyanendra Dhakal, Fairoja Cheenicode Kabeer +7
Having been a ground for various topological fermionic phases, the family of ZrSiS-type 111 materials has been under experimental and theoretical investigations. Within this family…
Observation of gapped state in rare-earth monopnictide HoSb
M. Mofazzel Hosen, Gyanendra Dhakal, Baokai Wang +17
The rare-earth monopnictide family is attracting an intense current interest driven by its unusual extreme magnetoresistance (XMR) property and the potential presence of topologica…
Effect of dilute magnetism in a topological insulator
Firoza Kabir, M. Mofazzel Hosen, Xiaxin Ding +12
Three-dimensional topological insulators (TIs) have emerged as a unique state of quantum matter and generated enormous interests in condensed matter physics. The surfaces of a thre…