118 citations · 523 across the 32 of their papers we have counts for
33 papers
Magnetic properties and Fermi-surface topology of kagome magnet HoVSn
Tucker Beekmann, Ganesh Pokharel, Wyatt Edward Ackerman +3
We report a study of the magnetic properties and Fermi-surface topology of the kagome magnet HoVSn using magnetization and tunnel-diode-oscillator (TDO) measurements. The t…
Out-of-equilibrium relaxation dynamics of the superconducting order parameter in CsVSb
Avi Shragai, Alexander Won, Jonathan M. DeStefano +4
The application of a time-varying strain field drives a superconducting order parameter out of equilibrium. How the order parameter relaxes back to equilibrium depends both on the…
Discovery of an odd-parity f-wave charge order in a kagome metal
Jiangchang Zheng, Caiyun Chen, Ruiqin Fu +13
The spontaneous breaking of symmetries is a cornerstone of physics, defining the phases of matter from the cosmological scale to the quantum realm. In condensed matter, electronic…
Influence of controlled disorder on the dipolar spin ice state of Ho-based pyrochlores
A. A. Aczel, B. R. Ortiz, Y. Luo +8
Pyrochlore magnets of the form O, in which rare-earth ions on the -site form a three-dimensional network of corner-sharing tetrahedra, provide a canonical setting fo…
Interplay between charge correlations and superconductivity across the superconducting domes of CsVSbSn
Andrea N. Capa Salinas, Brenden R. Ortiz, Steven J. Gomez Alvarado +9
The kagome metal CsVSb shows an unconventional interplay between charge density wave (CDW) order and superconductivity. Tuning the band filling is known to rapidly suppress…
Pervasive electronic nematicity as the parent state of kagome superconductors
Muxian Xu, Siyu Cheng, Andrea Capa Salinas +10
Kagome superconductors VSb ( = Cs, K, Rb) have developed into an exciting playground for realizing and exploring exotic solid state phenomena. Abundant experimental e…
Hidden frustration in the triangular-lattice antiferromagnet NdCd3P3
Juan R. Chamorro, Steven J. Gomez Alvarado, Dibyata Rout +6
We report a study of the magnetic ground state and crystal electric field (CEF) scheme in the triangular-lattice antiferromagnet NdCdP. Combined neutron scattering, magneti…
Persistence of charge density wave fluctuations in the absence of long-range order in a hole-doped kagome metal
Terawit Kongruengkit, Andrea N. Capa Salinas, Ganesh Pokharel +3
The kagome metals VSb ( = K, Rb, Cs) exhibit a complex interplay between charge density wave (CDW) order and superconductivity. In this study, we use ultrafast cohere…
Adjudicating Conduction Mechanisms in High Performance Carbon Nanotube Fibers
John Bulmer, Chris Kovacs, Thomas Bullard +15
The performance of carbon nanotube (CNT) cables, a contender for copper-wire replacement, is tied to its metallic and semi-conducting-like conductivity responses with temperature;…
Evolution of charge correlations in the hole-doped kagome superconductor CsVTiSb
Ganesh Pokharel, Canxun Zhang, Evgeny Redekop +7
The interplay between superconductivity and charge correlations in the kagome metal CsVSb can be tuned by external perturbations such as doping or pressure. Here we present…
Local spectroscopy of loop current order with individual magnetic atoms
Jiangchang Zheng, Caiyun Chen, Xu Zhang +16
Hidden ordered states--characterized by order parameters that elude conventional probes--pose a fundamental challenge for their identification in quantum materials. Recent experime…
Anomalous spin-optical helical effect in Ti-based kagome metal
Federico Mazzola, Wojciech Brzezicki, Chiara Bigi +32
The kagome lattice stands as a rich platform for hosting a wide array of correlated quantum phenomena, ranging from charge density waves and superconductivity to electron nematicit…
Interleaved bond frustration in a triangular lattice antiferromagnet
S. J. Gomez Alvarado, J. R. Chamorro, D. Rout +14
Frustration of long-range order via lattice geometries serves to amplify fluctuations of the order parameter and generate unconventional ground states that are highly sensitive to…
Stability frontiers in the AMX kagome metals: The LnNbSn (Ln:Ce-Lu,Y) family and density-wave transition in LuNbSn
Brenden R. Ortiz, William R. Meier, Ganesh Pokharel +16
The kagome motif is a versatile platform for condensed matter physics, hosting rich interactions between magnetic, electronic, and structural degrees of freedom. In recent years, t…
Pomeranchuk instability from electronic correlations in CsTiBi kagome metal
Chiara Bigi, Matteo Dürrnagel, Lennart Klebl +19
Among many-body instabilities in correlated quantum systems, electronic nematicity, defined by the spontaneous breaking of rotational symmetry, has emerged as a critical phenomenon…
Absence of Phonon Softening across a Charge Density Wave Transition due to Quantum Fluctuations
Yubi Chen, Terawit Kongruengkit, Andrea Capa Salinas +9
Kagome metals have emerged as a frontier in condensed matter physics due to their potential to host exotic quantum states. Among these, CsV3Sb5 has attracted significant attention…
Absence of a Bulk Thermodynamic Phase Transition to a Density Wave Phase in UTe2
Florian Theuss, Avi Shragai, Gael Grissonnanche +12
Competing and intertwined orders are ubiquitous in strongly correlated electron systems, such as the charge, spin, and superconducting orders in the high-Tc cuprates. Recent scanni…
Strain-induced enhancement of the charge-density-wave in the kagome metal ScVSn
Manuel Tuniz, Armando Consiglio, Ganesh Pokharel +10
The kagome geometry is an example of frustrated configuration in which rich physics takes place, including the emergence of superconductivity and charge density wave (CDW). Among t…
Colossal orbital Zeeman effect driven by tunable spin-Berry curvature in a kagome metal
Hong Li, Siyu Cheng, Ganesh Pokharel +8
Berry phase and the related concept of Berry curvature can give rise to many unconventional phenomena in solids. In this work, we discover colossal orbital Zeeman effect of topolog…
Electronic properties of kagome metal ScV6Sn6 using high field torque magnetometry
Keshav Shrestha, Binod Regmi, Ganesh Pokharel +6
This work presents electronic properties of the kagome metal ScV6Sn6 using de Haas-van Alphen (dHvA) oscillations and density functional theory (DFT) calculations. The torque signa…
Frustrated charge order and cooperative distortions in ScV6Sn6
Ganesh Pokharel, Brenden R. Ortiz, Linus Kautzsch +7
Here we study the stability of charge order in the kagome metal ScV6Sn6. Synchrotron x-ray diffraction measurements reveal high-temperature, short-range charge correlations at the…
Incommensurate Magnetic Order in the Kagome Metal GdVSn
Zach Porter, Ganesh Pokharel, Jong-Woo Kim +2
We characterize the magnetic ground state of the topological kagome metal GdVSn via resonant X-ray diffraction. Previous magnetoentropic studies of GdVSn suggested…
Flat band separation and robust spin-Berry curvature in bilayer kagome metals
Domenico Di Sante, Chiara Bigi, Philipp Eck +16
Kagome materials have emerged as a setting for emergent electronic phenomena that encompass different aspects of symmetry and topology. It is debated whether the XVSn kagom…
Nanoscale visualization and spectral fingerprints of the charge order in ScV6Sn6 distinct from other kagome metals
Siyu Cheng, Zheng Ren, Hong Li +23
Charge density waves (CDWs) have been tied to a number of unusual phenomena in kagome metals, including rotation symmetry breaking, time-reversal symmetry breaking and superconduct…