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20062026
most citedPlasmofluidic Single-Molecule Surface Enhanced Raman Scattering from Dynamic Assembly of Plasmonic Nanoparticles

1.7k citations

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63 papers · 1 filter

cond-mat.str-el2025

Interplay of phonons, intertwined density waves, and induced spin density wave in trilayer nickelates Pr4-xLaxNi3O10

Sonia Deswal, Dibyata Rout, Nirmalya Jana +3

Lattice degrees of freedom (DoF) play a central role in correlated electron systems, strongly influencing the dynamics of the underlying charge carriers and spin excitations. In ni…

cond-mat.str-el2025

Susceptibility anisotropy and absence of ferroelectric order in the Kitaev spin liquid candidate NaCoTeO

C. Dhanasekhar, Monika Jawale, Rahul Kumar +6

We report the magnetic, magnetodielectric, and electric polarization properties of single crystals of the Co-based Kitaev Spin Liquid (KSL) candidate NaCoTeO (NCTO). Th…

cond-mat.str-el2024

Proposal for bulk measurement of braid statistics in fractional quantum Hall effect

Mytraya Gattu, G. J. Sreejith, J. K. Jain

The quasiparticles (QPs) or quasiholes (QHs) of fractional quantum Hall states have been predicted to obey fractional braid statistics, which refers to the Berry phase (in addition…

cond-mat.str-el2024★ 21 cited

A Candidate for the Quantum Spin Liquid Ground-State in the Shastry-Sutherland Lattice Material YbBeGeO

M. Pula, S. Sharma, J. Gautreau +8

The quasi-2D Shastry-Sutherland model has remained topical in the field of condensed matter physics for the last two decades, following the experimental realization of the model in…

cond-mat.str-el2024★ 9 cited

Eliashberg theory for dynamical screening in bilayer exciton condensation

G. J. Sreejith, Jay D. Sau, Sankar Das Sarma

We study the effect of dynamical screening of interactions on the transition temperatures () of exciton condensation in a symmetric bilayer of quadratically dispersing electro…

cond-mat.str-el2023★ 16 cited

STM in the fractional quantum Hall effect: Spectroscopy of composite-fermion bound states

Mytraya Gattu, G. J. Sreejith, J. K. Jain

The fractional quantum Hall states are non-Fermi liquids of electrons, in that their ground states and low energy excitations are described not in terms of electrons but in terms o…

cond-mat.str-el2023★ 6 cited

Conformal field theory approach to parton fractional quantum Hall trial wave functions

Greg J. Henderson, G. J. Sreejith, Steven H. Simon

We show that all lowest Landau level projected and unprojected chiral parton type fractional quantum Hall ground and edge state trial wave functions, which take the form of product…

cond-mat.str-el2023★ 9 cited

Non-centrosymmetric, transverse structural modulation in SrAl4, and elucidation of its origin in the BaAl4 family of compounds

Sitaram Ramakrishnan, Surya Rohith Kotla, Hanqi Pi +13

At ambient conditions SrAl4 adopts the BaAl4 structure type with space group I4/mmm. It undergoes a charge-density-wave (CDW) transition at TCDW = 243 K, followed by a structural t…

cond-mat.str-el2023

Candidate local parent Hamiltonian for 3/7 fractional quantum Hall effect

Koji Kudo, A. Sharma, G. J. Sreejith +1

While a parent Hamiltonian for Laughlin wave function has been long known in terms of the Haldane pseudopotentials, no parent Hamiltonians are known for the lowest-Landau-lev…

cond-mat.str-el2023★ 3 cited

Classical fully-packed loop model with attractive interactions on the square lattice

Bhupen Dabholkar, Xiaoxue Ran, Junchen Rong +4

We study a classical model of fully-packed loops on the square lattice, which interact through attractive loop segment interactions between opposite sides of plaquettes. This study…

cond-mat.str-el2023★ 6 cited

Optically induced symmetry breaking due to nonequilibrium steady state formation in charge density wave material 1T-TiSe2

Harshvardhan Jog, Luminita Harnagea, Dibyata Rout +4

The strongly correlated charge density wave (CDW) phase of 1T-TiSe is being extensively researched to verify the claims of a unique chiral order due to the presence of three eq…

cond-mat.str-el2023★ 1 cited

Torus geometry eigenfunctions of an interacting multi-Landau level Hamiltonian

Abhishek Anand, Songyang Pu, G J Sreejith

A short-ranged, rotationally symmetric multi-Landau-level model Hamiltonian for strongly interacting electrons in a magnetic field was proposed [A. Anand et al, Phys. Rev. Lett. 12…

cond-mat.str-el2022★ 15 cited

Coupling between colossal charge density wave ordering and magnetism in Ho2Ir3Si5

Sitaram Ramakrishnan, Jin-Ke Bao, Claudio Eisele +14

Ho2Ir3Si5 belongs to the family of three-dimensional (3D) R2Ir3Si5 (R = Lu, Er and Ho) compounds that exhibit a colossal first-order charge density wave (CDW) transition where ther…

cond-mat.str-el2022★ 2 cited

Real-space entanglement spectra of projected fractional quantum Hall states using Monte Carlo methods

Abhishek Anand, G J Sreejith

Real-space entanglement spectrum (RSES) of a quantum Hall (QH) wavefunction gives a natural route to infer the nature of its edge excitations. Computation of RSES becomes expensive…

cond-mat.str-el2022★ 8 cited

Disorder driven cluster glass state in a geometrically frustrated hexagonal perovskite

Shruti Chakravarty, Øystein Slagtern Fjellvåg, Arpan Bhattacharyya +2

We report the observation of cluster glass-like properties in a double perovskite ruthenate BaCoRuO through structural (neutron and synchrotron X-ray diffraction), magnetic…

cond-mat.str-el2022★ 7 cited

Spin-polarized supercurrent through the van der Waals Kondo lattice ferromagnet FeGeTe

Deepti Rana, Aswini R, Basavaraja G +6

In the new van der Waals Kondo-lattice FeGeTe, itinerant ferromagnetism and heavy fermionic behaviour coexist. Both the key properties of such a system namely a spin-polari…

cond-mat.str-el2022★ 2 cited

Exactly Solvable Hamiltonian for Non-Abelian Quasiparticles

Koji Kudo, A. Sharma, G. J. Sreejith +1

Particles obeying non-Abelian braid statistics have been predicted to emerge in the fractional quantum Hall effect. In particular, a model Hamiltonian with short-range three-body i…

cond-mat.str-el2022★ 8 cited

Re-entrance effect in the high-temperature critical phase of the quantum dimer model on the square lattice

Bhupen Dabholkar, G. J. Sreejith, Fabien Alet

We present a quantum Monte Carlo investigation of the finite-temperature phase diagram of the quantum dimer model on the square lattice. We use the sweeping cluster algorithm, whic…

cond-mat.str-el2022★ 20 cited

Real-space entanglement spectra of parton states in fractional quantum Hall systems

Abhishek Anand, Rushikesh A. Patil, Ajit C. Balram +1

Real-space entanglement spectra (RSES) capture characteristic features of the topological order encoded in the fractional quantum Hall (FQH) states. In this work, we numerically co…

cond-mat.str-el2022★ 18 cited

The interplay between structural, magnetic and electronic states in the pyrochlore iridate Eu2Ir2O7

Manjil Das, Sayantika Bhowal, Jhuma Sannigrahi +8

We address the concomitant metal-insulator transition (MIT) and antiferromagnetic ordering in the novel pyrochlore iridate Eu2Ir2O7 by combining x-ray absorption spectroscopy, x-ra…

cond-mat.str-el2021★ 8 cited

Entanglement Action for the Real-Space Entanglement Spectra of Composite Fermion Wave Functions

Greg J. Henderson, G J Sreejith, Steven H. Simon

We argue and numerically substantiate that the real-space entanglement spectrum (RSES) of composite fermion quantum Hall states is given by the spectrum of a local boundary perturb…

cond-mat.str-el2021★ 5 cited

Electrically tunable room-temperature ferromagnetism in CrBr

Chandan K. Singh, Mukul Kabir

The recent discovery of magnetic ordering in two-dimension has lead to colossal efforts to find atomically thin materials that order at high temperatures. However, due to fundament…

cond-mat.str-el2021★ 13 cited

Role of spin-phonon and electron-phonon interactions in phonon renormalization of (EuBi)IrO across the metal-insulator phase transition: Temperature-dependent Raman and X-ray studies

Anoop Thomas, Prachi Telang, Kshiti Mishra +5

We report temperature-dependent Raman scattering and X-ray diffraction studies of pyrochlore iridates, (EuBi)IrO, for x=0, 0.02, 0.035, 0.05 and 0.1. The te…

cond-mat.str-el2021★ 6 cited

A Colossal Electroresistance response, accompanied by metal-insulator transition, in a mixed-valent vanadate

Rafikul Ali Saha, Abhisek Bandyopadhyay, Irene Schiesaro +2

Colossal electroresistance (CER) in manganites, i.e., a large change in electrical resistance under the influence of either an applied electric field or an applied electric current…