Search Results - "Hüvonen, D."
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Duality and domain wall dynamics in a twisted Kitaev chain
Published in Nature physics (01-07-2021)“…The Ising chain in a transverse field is a paradigmatic model for a host of physical phenomena, including spontaneous symmetry breaking, quantum criticality…”
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Pressure-Induced Quantum Critical and Multicritical Points in a Frustrated Spin Liquid
Published in Physical review letters (25-02-2014)“…The quantum spin-liquid compound (C sub(4)H sub(12)N sub(2)) Cu sub(2)Cl sub(6) is studied by muon spin relaxation under hydrostatic pressures up to 23.6 kbar…”
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Dynamics of a bond-disordered S = 1 quantum magnet near z = 1 criticality
Published in Physical review. B, Condensed matter and materials physics (31-07-2015)“…Neutron scattering is used to study NiCl sub(2-2x) Br sub(2x) times 4 SC (NH sub(2)) sub(2), x = 0.06, a bond-disordered modification of the well-known gapped…”
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Finite-temperature scaling of spin correlations in an experimental realization of the one-dimensional Ising quantum critical point
Published in Physical review. B, Condensed matter and materials physics (10-07-2015)“…Inelastic neutron scattering is used to study the finite-temperature scaling behavior of the local dynamic structure factor in the quasi-one-dimensional…”
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Optical spectroscopy of superconducting Ba0.55K0.45Fe2As2: evidence for strong coupling to low-energy bosons
Published in Physical review letters (08-05-2009)“…Normal state optical spectroscopy on single crystals of the new iron arsenide superconductor Ba0.55K0.45Fe2As2 shows that the infrared spectrum consists of two…”
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Infrared spectroscopy of small-molecule endofullerenes
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-09-2013)“…Hydrogen is one of the few molecules that has been incarcerated in the molecular cage of C60 to form the endohedral supramolecular complex H2@C60. In this…”
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Field-concentration phase diagram of a quantum spin liquid with bond defects
Published in Physical review. B, Condensed matter and materials physics (03-09-2013)“…The magnetic susceptibility of the gapped quantum spin liquid compound (C sub(4) H sub(12) N sub(2))Cu sub(2) Cl sub(6) and its chemically disordered…”
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Field-induced criticality in a gapped quantum magnet with bond disorder
Published in Physical review. B, Condensed matter and materials physics (30-03-2012)“…Neutron diffraction and calorimetric measurements are used to study the field-induced quantum phase transition in piperazinium-Cu sub(2) (Cl sub(1-x)Br sub(x))…”
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Criticality in a disordered quantum antiferromagnet studied by neutron diffraction
Published in Physical review. B, Condensed matter and materials physics (20-11-2013)“…Field-induced magnetic ordering in the structurally disordered quantum magnets Ni(Cl sub(1-x) Br sub(x)) sub(2) times 4SC(NH sub(2)) sub(2), x = 8% and 13%, is…”
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Excitations in a quantum spin liquid with random bonds
Published in Physical review. B, Condensed matter and materials physics (10-12-2012)“…We present the results of an inelastic neutron-scattering study on two bond disordered quasi-two-dimensional quantum magnets (C sub(4) H sub(12) N sub(2))Cu…”
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Finite-temperature scaling of spin correlations in a partially magnetized Heisenberg S = 1 2 chain
Published in Physical review. B, Condensed matter and materials physics (16-09-2015)Get full text
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Magnetic Excitations and Continuum of a Possibly Field-Induced Quantum Spin Liquid in α − RuCl 3
Published in Physical review letters (01-11-2017)Get full text
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Magnetic Excitations and Continuum of a Possibly Field-Induced Quantum Spin Liquid in α-RuCl_{3}
Published in Physical review letters (01-12-2017)“…We report on terahertz spectroscopy of quantum spin dynamics in α-RuCl_{3}, a system proximate to the Kitaev honeycomb model, as a function of temperature and…”
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Crystals for neutron scattering studies of quantum magnetism
Published in Philosophical magazine (Abingdon, England) (01-07-2012)“…We review a strategy for targeted synthesis of large single crystal samples of prototype quantum magnets for inelastic neutron scattering experiments. Four…”
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Infrared spectroscopy of small-molecule endofullerenes
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-09-2013)“…Hydrogen is one of the few molecules that has been incarcerated in the molecular cage of C₆₀ to form the endohedral supramolecular complex H₂@C₆₀ In this…”
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Optical investigations of the superconducting energy gap in β″-(BEDT-TTF)2SF5CH2CF2SO3
Published in physica status solidi (b) (01-05-2012)“…The organic salt β″‐(BEDT‐TTF)2SF5CH2CF2SO3 is a two‐dimensional metal with a quarter‐filled conduction band. In the metallic state the optical conductivity…”
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Optical investigations of the superconducting energy gap in β″‐(BEDT‐TTF) 2 SF 5 CH 2 CF 2 SO 3
Published in physica status solidi (b) (01-05-2012)“…Abstract The organic salt β″‐(BEDT‐TTF) 2 SF 5 CH 2 CF 2 SO 3 is a two‐dimensional metal with a quarter‐filled conduction band. In the metallic state the…”
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Spin dynamics in pressure-induced magnetically ordered phases in ( C 4 H 12 N 2)Cu2Cl6
Published in Physical review. B, Condensed matter and materials physics (07-08-2015)“…In this paper, we present inelastic neutron-scattering experiments on the S=1/2 frustrated gapped quantum magnet piperazinium hexachlorodicuprate (PHCC) under…”
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