Search Results - "Glaser, S. J."

Exploring the Physical Limits of Saturation Contrast in Magnetic Resonance Imaging by Lapert, M., Zhang, Y., Janich, M. A., Glaser, S. J., Sugny, D.

“…Magnetic Resonance Imaging has become nowadays an indispensable tool with applications ranging from medicine to material science. However, so far the physical…”
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Linking the rotation of a rigid body to the Schrödinger equation: The quantum tennis racket effect and beyond by Damme, L. Van, Leiner, D., Mardešić, P., Glaser, S. J., Sugny, D.

“…The design of efficient and robust pulse sequences is a fundamental requirement in quantum control. Numerical methods can be used for this purpose, but with…”
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Optimal control-based efficient synthesis of building blocks of quantum algorithms: A perspective from network complexity towards time complexity by Schulte-Herbrüggen, T., Spörl, A., Khaneja, N., Glaser, S. J.

“…In this paper, we demonstrate how optimal control methods can be used to speed up the implementation of modules of quantum algorithms or quantum simulations in…”
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Second order gradient ascent pulse engineering by de Fouquieres, P., Schirmer, S.G., Glaser, S.J., Kuprov, Ilya

“…[Display omitted] ► A fast optimal control procedure for NMR and ESR shaped pulse generation is presented. ► Exact propagator gradients with the BFGS Hessian…”
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Unitary Control in Quantum Ensembles: Maximizing Signal Intensity in Coherent Spectroscopy by Glaser, S. J., Schulte-Herbrüggen, T., Sieveking, M., Schedletzky, O., Nielsen, N. C., Sørensen, O. W., Griesinger, C.

“…Experiments in coherent magnetic resonance, microwave, and optical spectroscopy control quantum-mechanical ensembles by guiding them from initial states toward…”
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Comparing, optimizing, and benchmarking quantum-control algorithms in a unifying programming framework by Machnes, S., Sander, U., Glaser, S. J., de Fouquières, P., Gruslys, A., Schirmer, S., Schulte-Herbrüggen, T.

“…For paving the way to novel applications in quantum simulation, computation, and technology, increasingly large quantum systems have to be steered with high…”
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Singular extremals for the time-optimal control of dissipative spin 1/2 particles by Lapert, M, Zhang, Y, Braun, M, Glaser, S J, Sugny, D

“…We consider the time-optimal control by magnetic fields of a spin 1/2 particle in a dissipative environment. This system is used as an illustrative example to…”
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Fully efficient time-parallelized quantum optimal control algorithm by Riahi, Mohamed-Kamel, Salomon, Julien, Glaser, S. J., Sugny, D

“…We present a time-parallelization method that enables one to accelerate the computation of quantum optimal control algorithms. We show that this approach is…”
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A general enhancement scheme in heteronuclear multidimensional NMR employing pulsed field gradients by Schleucher, J, Schwendinger, M, Sattler, M, Schmidt, P, Schedletzky, O, Glaser, S J, Sørensen, O W, Griesinger, C

“…General pulse sequence elements that achieve sensitivity-enhanced coherence transfer from a heteronucleus to protons of arbitrary multiplicity are introduced…”
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Gradient ascent pulse engineering for rapid exchange saturation transfer by Rancan, G., Nguyen, T.T., Glaser, S.J.

“…[Display omitted] •Shaped pulses for optimal saturation transfer efficiency.•Application of the GRAPE algorithm to 3-pool Chemical Exchange Saturation…”
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Apparent rate constant mapping using hyperpolarized [1-13C]pyruvate by Khegai, O., Schulte, R. F., Janich, M. A., Menzel, M. I., Farrell, E., Otto, A. M., Ardenkjaer-Larsen, J. H., Glaser, S. J., Haase, A., Schwaiger, M., Wiesinger, F.

“…Hyperpolarization of [1‐13C]pyruvate in solution allows real‐time measurement of uptake and metabolism using MR spectroscopic methods. After injection and…”
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Visual morbidity in giant cell arteritis. Clinical characteristics and prognosis for vision by Liu, G T, Glaser, J S, Schatz, N J, Smith, J L

“…To characterize visual morbidity in giant cell arteritis and to assess prognosis with respect to treatment. Record review of 185 patients with coded diagnosis…”
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Visualization and analysis of modulated pulses in magnetic resonance by joint time-frequency representations by Köcher, S S, Heydenreich, T, Glaser, S J

“…We study the utility of joint time-frequency representations for the analysis of shaped or composite pulses for magnetic resonance. Such spectrograms are…”
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Dynamic nuclear polarization at high magnetic fields in liquids by Griesinger, C, Bennati, M, Vieth, H M, Luchinat, C, Parigi, G, Höfer, P, Engelke, F, Glaser, S J, Denysenkov, V, Prisner, T F

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High-dose methylprednisolone and acetazolamide for visual loss in pseudotumor cerebri by Liu, G T, Glaser, J S, Schatz, N J

“…We treated four patients who had acute, severe visual loss associated with pseudotumor cerebri with intravenous methylprednisolone (250 mg four times per day)…”
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Effects of pyruvate dose on in vivo metabolism and quantification of hyperpolarized 13C spectra by Janich, M. A., Menzel, M. I., Wiesinger, F., Weidl, E., Khegai, O., Ardenkjaer-Larsen, J. H., Glaser, S. J., Haase, A., Schulte, R. F., Schwaiger, M.

“…Real‐time in vivo measurements of metabolites are performed by signal enhancement of [1‐13C]pyruvate using dynamic nuclear polarization, rapid dissolution and…”
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Saturation of a spin-1/2 particle by generalized local control by Mintert, F, Lapert, M, Zhang, Y, Glaser, S J, Sugny, D

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Optimal control of the inversion of two spins in Nuclear Magnetic Resonance by Assémat, E., Attar, L., Penouilh, M.-J., Picquet, M., Tabard, A., Zhang, Y., Glaser, S.J., Sugny, D.

“…[Display omitted] ► We investigate the simultaneous optimal control of the inversion of two spins. ► We examine the energy minimum solution. ► We compare this…”
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Fluorescein angiography in the diagnosis of giant cell arteritis by Siatkowski, R M, Gass, J D, Glaser, J S, Smith, J L, Schatz, N J, Schiffman, J

“…Clinical data and fundus fluorescein angiograms were analyzed from 35 patients with acute (onset less than four weeks) anterior ischemic optic neuropathy…”
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Visual loss from idiopathic intracranial pachymeningitis by Lam, B L, Barrett, D A, Glaser, J S, Schatz, N J, Brown, H H

“…We report three patients with chronic headaches and optic neuropathy due to widespread meningeal thickening shown on enhanced MRI; all had biopsy-proven…”
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