Search Results - "Kim, Duk Y."
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High-precision realization of robust quantum anomalous Hall state in a hard ferromagnetic topological insulator
Published in Nature materials (01-05-2015)“…An almost ideal quantum anomalous Hall state is observed in (Bi,Sb)Te films doped with vanadium. This state is reached without the application of a polarizing…”
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2
Absence of supersolidity in solid helium in porous Vycor glass
Published in Physical review letters (08-10-2012)“…In 2004, Kim and Chan carried out torsional oscillator measurements of solid helium confined in porous Vycor glass and found an abrupt drop in the resonant…”
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3
Zero-Field Dissipationless Chiral Edge Transport and the Nature of Dissipation in the Quantum Anomalous Hall State
Published in Physical review letters (31-07-2015)“…The quantum anomalous Hall (QAH) effect is predicted to possess, at a zero magnetic field, chiral edge channels that conduct a spin polarized current without…”
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4
Upper limit of supersolidity in solid helium
Published in Physical review. B, Condensed matter and materials physics (11-08-2014)“…The resonant period drop observed at low temperatures in torsional oscillators containing solid helium had been interpreted as a signature of a supersolid…”
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A Method to Compute the Schrieffer–Wolff Generator for Analysis of Quantum Memory
Published in Entropy (Basel, Switzerland) (27-09-2021)“…Quantum illumination uses entangled light that consists of signal and idler modes to achieve higher detection rate of a low-reflective object in noisy…”
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Probing phase coherence in solid helium using torsional oscillators of different path lengths
Published in Physical review. B, Condensed matter and materials physics (24-01-2012)“…Long-range phase coherence is a critical signature of macroscopic quantum phenomena. To date, nonclassical rotational inertia (NCRI) of solid helium has been…”
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Bound for Gaussian-state quantum illumination using a direct photon measurement
Published in Optics express (06-11-2023)“…It is important to find feasible measurement bounds for quantum information protocols. We present analytic bounds for quantum illumination with Gaussian states…”
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Heralded single-pixel imaging with high loss-resistance and noise-robustness
Published in Applied physics letters (13-12-2021)“…Imaging with non-classically correlated photon-pairs takes advantages over classical limits in terms of sensitivity and a signal-to-noise ratio. However, it is…”
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Interplay of the Spin Density Wave and a Possible Fulde-Ferrell-Larkin-Ovchinnikov State in CeCoIn5 in Rotating Magnetic Field
Published in Physical review letters (29-05-2020)“…The d-wave superconductor CeCoIn5 has been proposed as a strong candidate for supporting the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state near the…”
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10
Surviving entanglement in optic-microwave conversion by an electro-optomechanical system
Published in Optics express (01-03-2021)“…In recent development of quantum technologies, a frequency conversion of quantum signals has been studied widely. We investigate the optic-microwave…”
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Intertwined Orders in Heavy-Fermion Superconductor CeCoIn5
Published in Physical review. X (20-12-2016)“…The appearance of spin-density-wave (SDW) magnetic order in the low-temperature and high-field corner of the superconducting phase diagram of CeCoIn5 is unique…”
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12
Gaussian quantum illumination via monotone metrics
Published in Physical review research (01-07-2023)“…Quantum illumination is to discern the presence or absence of a target, where the error probability decays exponentially in the number of copies used. When the…”
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13
Stress- and temperature-dependent hysteresis of the shear modulus of solid helium
Published in Physical review. B, Condensed matter and materials physics (18-03-2013)“…The shear modulus of solid super(4) He below 200 mK exhibits an unusual increase, the characteristics of which show remarkable similarities to those of the…”
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14
Superfluidlike Mass Flow Through 8 μ m Thick Solid He 4 Samples
Published in Physical review letters (09-06-2017)Get full text
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15
Normal Fermi Surface in the Nodal Superconductor CeCoIn_{5} Revealed via Thermal Conductivity
Published in Physical review letters (07-06-2024)“…The thermal conductivity of heavy-fermion superconductor CeCoIn_{5} was measured with a magnetic field rotating in the tetragonal a-b plane, with the heat…”
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Normal Fermi Surface in the Nodal Superconductor CeCoIn 5 Revealed via Thermal Conductivity
Published in Physical review letters (05-06-2024)Get full text
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17
Quantum-secured single-pixel imaging with enhanced security
Published in Optica (20-11-2023)“…In this paper, we propose a quantum-secured single-pixel imaging method that utilizes non-classical correlations of a photon pair. Our method can detect any…”
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Interplay of the Spin Density Wave and a Possible Fulde-Ferrell-Larkin-Ovchinnikov State in CeCoIn 5 in Rotating Magnetic Field
Published in Physical review letters (01-05-2020)Get full text
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19
Resonances in the Field-Angle-Resolved Thermal Conductivity of CeCoIn5
Published in Physical review letters (12-05-2017)“…Here, the thermal conductivity measurement in a rotating magnetic field is a powerful probe of the structure of the superconducting energy gap. We present…”
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20
Resonances in the Field-Angle-Resolved Thermal Conductivity of CeCoIn 5
Published in Physical review letters (01-05-2017)Get full text
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