Search Results - "Saha, Shanta R."
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Nearly ferromagnetic spin-triplet superconductivity
Published in Science (American Association for the Advancement of Science) (16-08-2019)“…Spin-triplet superconductors potentially host topological excitations that are of interest for quantum information processing. We report the discovery of…”
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Magnetic-field-sensitive charge density waves in the superconductor UTe2
Published in Nature (London) (29-06-2023)“…The intense interest in triplet superconductivity partly stems from theoretical predictions of exotic excitations such as non-Abelian Majorana modes, chiral…”
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Pressure-Induced Exciton Formation and Superconductivity in Platinum-Based Mineral Sperrylite
Published in Materials (13-07-2024)“…We report a comprehensive study of Sperrylite (PtAs ), the main platinum source in natural minerals, as a function of applied pressures up to 150 GPa. While no…”
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Expansion of the high field-boosted superconductivity in UTe2 under pressure
Published in npj quantum materials (06-09-2021)“…Magnetic field-induced superconductivity is a fascinating quantum phenomenon, whose origin is yet to be fully understood. The recently discovered spin-triplet…”
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5
Symmetry of magnetic correlations in spin-triplet superconductor UTe2
Published in npj quantum materials (05-04-2022)“…The temperature dependence of the low-energy magnetic excitations in the spin-triplet superconductor UTe 2 was measured via inelastic neutron scattering in the…”
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6
Ubiquitous spin freezing in the superconducting state of UTe2
Published in Communications physics (01-02-2023)“…In most superconductors electrons form Cooper pairs in a spin-singlet state mediated by either phonons or by long-range interactions such as spin fluctuations…”
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7
Probing p-wave superconductivity in UTe2 via point-contact junctions
Published in npj quantum materials (01-01-2024)“…Uranium ditelluride (UTe 2 ) is the strongest contender to date for a p -wave superconductor in bulk form. Here we perform a spectroscopic study of the ambient…”
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8
Extreme magnetic field-boosted superconductivity
Published in Nature physics (01-12-2019)“…Applied magnetic fields underlie exotic quantum states, such as the fractional quantum Hall effect 1 and Bose–Einstein condensation of spin excitations 2 …”
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Possible Octupole Ordering in Phase II of SmRu4P12 Suggested from Elastic Constants
Published in Journal of the Physical Society of Japan (01-08-2005)“…We have studied the origin of the successive phase transitions in filled skutterudite SmRu4P12 based on the results of elastic constant measurements. The…”
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10
Detection of a pair density wave state in UTe2
Published in Nature (London) (29-06-2023)“…Spin-triplet topological superconductors should exhibit many unprecedented electronic properties, including fractionalized electronic states relevant to…”
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11
Melting of the charge density wave by generation of pairs of topological defects in UTe2
Published in Nature physics (01-06-2024)“…Topological defects are singularities in an ordered phase that can have a profound effect on phase transitions and serve as a window into the order parameter…”
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Single-component superconductivity in UTe2 at ambient pressure
Published in Nature physics (01-07-2024)“…The microscopic mechanism of Cooper pairing in a superconductor leaves its fingerprint on the symmetry of the order parameter. UTe 2 has previously been…”
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13
Extraordinary bulk-insulating behavior in the strongly correlated materials FeSi and FeSb2
Published in Applied physics letters (05-06-2023)“…4f electron-based topological Kondo insulators have long been researched for their potential to conduct electric current via protected surface states, while…”
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Topological RPdBi half-Heusler semimetals: A new family of noncentrosymmetric magnetic superconductors
Published in Science advances (01-06-2015)“…We report superconductivity and magnetism in a new family of topological semimetals, the ternary half-Heusler compound RPdBi (R: rare earth). In this series,…”
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15
Anomalous magnetic phase in an undistorted pyrochlore oxide Cd2Os2O7 induced by geometrical frustration
Published in Journal of the Physical Society of Japan (01-06-2007)“…We report on the muon spin rotation/relaxation study of a pyrochlore oxide, Cd2Os2O7, which exhibits a metal-insulator (MI) transition at TMI\\simeq225 K…”
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Possible anisotropic order parameter in pyrochlore superconductor KOs2O6 probed by muon spin rotation
Published in Journal of the Physical Society of Japan (01-06-2005)“…Magnetic penetration depth (λeff) in a pyrochlore superconductor KOs2O6 was studied by means of muon spin rotation (μSR). The temperature dependence of the…”
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17
Biofunctionalized Gadolinium-Containing Prussian Blue Nanoparticles as Multimodal Molecular Imaging Agents
Published in Bioconjugate chemistry (15-01-2014)“…Molecular imaging agents enable the visualization of phenomena with cellular and subcellular level resolutions and therefore have enormous potential in…”
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Neutron investigation of the magnetic scattering in an iron-based ferromagnetic superconductor
Published in Physical review. B, Condensed matter and materials physics (31-08-2015)“…Neutron diffraction and small angle scattering experiments have been carried out on the double-isotopic polycrystalline sample ( super(7)Li sub(0.82)Fe…”
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Possible unconventional superconductivity and magnetism in CePt3Si probed by muon spin rotation and relaxation
Published in Journal of the Physical Society of Japan (01-12-2006)“…Superconducting and magnetic properties of the heavy fermion superconductor CePt3Si were studied in a polycrystalline sample by means of the muon spin rotation…”
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20
Possible magnetic chirality in optically chiral magnet [Cr(CN)6][Mn(S)-pnH(H2O)](H2O) probed by muon spin rotation and relaxation
Published in Journal of the Physical Society of Japan (01-06-2006)“…Local magnetic fields in a molecule-based optically chiral magnet [Cr(CN)6][Mn(S)-pnH(H2O)](H2O) [GN-(S)] and its enantiomer [GN-(R)] were studied by means of…”
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