activity
20112023
most citedAnomalous gap edge dissipation in disordered superconductors on the brink of localization

49 citations · 250 across the 20 of their papers we have counts for

collaborators

20 papers

cond-mat.soft2023★ 2 cited

Pressure sensitivity in non-local flow behaviour of dense hydrogel particle suspensions

Zohreh Farmani, Nazanin Ghods, Harkirat Singh +5

Slowly sheared particulate media like sand and suspensions flow heterogeneously as they yield via shear bands, in which most strain accumulates. Understanding shear band localizati…

cond-mat.soft2023★ 12 cited

Continuum modeling of size-segregation and flow in dense, bidisperse granular media: Accounting for segregation driven by both pressure gradients and shear-strain-rate gradients

Harkirat Singh, Daren Liu, David L. Henann

Dense mixtures of particles of varying size tend to segregate based on size during flow. Granular size-segregation plays an important role in many industrial and geophysical proces…

cond-mat.soft2023★ 12 cited

Coupled continuum modeling of size-segregation driven by shear-strain-rate gradients and flow in dense, bidisperse granular media

Daren Liu, Harkirat Singh, David L. Henann

Dense granular systems that consist of particles of disparate sizes segregate based on size during flow, resulting in complex, coupled segregation and flow patterns. The ability to…

quant-ph2021

Identification of Desired Pixels in an Image Using Grover's Quantum Search Algorithm

Basit Iqbal, Harkirat Singh

Quantum Information Theory promises to speed up computation so is observed in real quantum computers as proved to its classical counterpart. This revolutionizes every field linked…

quant-ph2021★ 1 cited

Pixel identification in an image using Grover Search Algorithm

Mohd. Hussain Mir, Harkirat Singh

Quantum Computing offers an entirely new way of doing computation governed by the rules of quantum mechanics like Superposition and Entanglement. These rules allow us to do computa…

cond-mat.supr-con2021★ 4 cited

Electron-Phonon Mediated Superconductivity in 1T MoS2 and Effect of Pressure on the Same

Jagdish Kumar, Harkirat Singh

Density functional theory (DFT) based ab-initio calculations of electronic, phononic, and superconducting properties of 1T MoS2 are reported. The phonon dispersions are computed wi…

cond-mat.supr-con2019★ 6 cited

Robust pseudogap across the magnetic field driven superconductor to insulator-like transition in strongly disordered NbN films

Indranil Roy, Rini Ganguly, Harkirat Singh +1

We investigate the magnetic field evolution of the superconducting state in a strongly disordered NbN thin film which exhibits a magnetic field tuned superconductor to insulator-li…

cond-mat.str-el2019★ 16 cited

Signature of Quantum Entanglement in NH4CuPO4.H2O

Tanmoy Chakraborty, Harkirat Singh, Chiranjib Mitra

Entangled solid state systems have gained a great deal of attention due to their fruitful applications in modern quantum technologies. Herein, detection of entanglement content fro…

cond-mat.str-el2018★ 2 cited

Investigation of Thermodynamic Properties of Cu(NH3)4SO4.H2O, a Heisenberg Spin Chain Compound

Tanmoy Chakraborty, Harkirat Singh, Dipanjan Chaudhuri +3

Detailed experimental investigations of thermal and magnetic properties are presented for Cu(NH3)4SO4.H2O, an ideal uniform Heisenberg spin half chain compound. A comparison of the…

cond-mat.supr-con2017★ 39 cited

Magnetic field induced emergent inhomogeneity in a superconducting film with weak and homogeneous disorder

Rini Ganguly, Indranil Roy, Anurag Banerjee +3

When a magnetic field is applied, the mixed state of a conventional Type II superconductor gets destroyed at the upper critical field Hc2, where the normal vortex cores overlap wit…

cond-mat.supr-con2016★ 11 cited

Dynamic transition from Mott-like to metal-like state of the vortex lattice in a superconducting film with a periodic array of holes

Indranil Roy, Prashant Chauhan, Harkirat Singh +6

We show that under an a.c. magnetic field excitation the vortex lattice in a superconductor with periodic array of holes can undergo a transition from a Mott-like state where each…

cond-mat.supr-con2015★ 49 cited

Anomalous gap edge dissipation in disordered superconductors on the brink of localization

Bing Cheng, Liang Wu, N. J. Laurita +4

Superconductivity in disordered systems close to an incipient localization transition has been an area of investigation for many years. It has been noted that in such highly disord…

cond-mat.supr-con2015★ 24 cited

Disorder-induced two-step melting of vortex matter in Co-intercalated NbSe single crystals

Somesh Chandra Ganguli, Harkirat Singh, Indranil Roy +4

Disorder induced melting, where the increase in positional entropy created by random pinning sites drives the order-disorder transition in a periodic solid, provides an alternate r…

cond-mat.supr-con2015★ 4 cited

Orientational coupling between the vortex lattice and the crystalline lattice in a weakly pinned Co0.0075NbSe2 single crystal

Somesh Chandra Ganguli, Harkirat Singh, Rini Ganguly +3

We report experimental evidence of strong orientational coupling between the crystal lattice and the vortex lattice in a weakly pinned Co-doped NbSe2 single crystal through direct…

cond-mat.str-el2014★ 8 cited

Experimental Evidences of Quantum Phase Transition in a Spin Cluster Compound

Tanmoy Chakraborty, Harkirat Singh, Chiranjib Mitra

Experimental realization of magnetic field induced quantum phase transition (QPT) is reported for NH4CuPO4.H2O, a two spin cluster material with isotropic Heisenberg interaction. E…

cond-mat.supr-con2014★ 44 cited

Two step disordering of the vortex lattice across the peak effect in a weakly pinned Type II superconductor, Co0.0075NbSe2

Somesh Chandra Ganguli, Harkirat Singh, Garima Saraswat +5

The vortex lattice in a Type II superconductor provides a versatile model system to investigate the order-disorder transition in a periodic medium in the presence of random pinning…

cond-mat.str-el2012★ 14 cited

Quantification of Entanglement from Magnetic Susceptibility for a Heisenberg Spin 1/2 system

Tanmoy Chakraborty, Harkirat Singh, Diptaranjan Das +3

Temperature and magnetic field dependent magnetization and extraction of entanglement from the experimental data is reported for dichloro(thiazole)copper(II), a Heisenberg spin cha…

cond-mat.str-el2012★ 2 cited

Comparative Study of Magnetic Behaviour in Three Classic Molecular Magnets

Tanmoy Chakraborty, Tamal K. Sen, Harkirat Singh +3

We have studied the magnetic properties of three phenalenyl based organic neutral radicals. The first one is a Heisenberg chain antiferromagnet with one unpaired spin per molecule;…

cond-mat.str-el2012

Magnetization study to probe the effect of N2+ irradiation on Fe/Co bilayers

Harkirat Singh, Ratnesh Gupta, Ashish Khandelwal +1

Fe/Co bilayers were made using ion beam sputtering and then were subjected to nitrogen-ion irradiation to explore the influence of irradiation on their magnetic properties. Magneti…

quant-ph2011

Experimental detection of quantum information sharing and their quantification in quantum spin systems

Diptaranjan Das, Tanmoy Chakraborty, Harkirat Singh +1

We study the macroscopic entanglement properties of a low dimensional quantum spin system by investigating its magnetic properties at low temperatures and high magnetic fields. The…