Search Results - "Braun, D. J."

EMIC Wave Events During the Four GEM QARBM Challenge Intervals by Engebretson, M. J., Posch, J. L., Braun, D. J., Li, W., Ma, Q., Kellerman, A. C., Huang, C.‐L., Kanekal, S. G., Kletzing, C. A., Wygant, J. R., Spence, H. E., Baker, D. N., Fennell, J. F., Angelopoulos, V., Singer, H. J., Lessard, M. R., Horne, R. B., Raita, T., Shiokawa, K., Rakhmatulin, R., Dmitriev, E., Ermakova, E.

“…This paper presents observations of electromagnetic ion cyclotron (EMIC) waves from multiple data sources during the four Geospace Environment Modeling…”
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Emergent Inflation of the Efimov Spectrum under Three-Body Spin-Exchange Interactions by van de Kraats, J, Ahmed-Braun, D J M, Li, J-L, Kokkelmans, S J J M F

“…We resolve the unexpected and long-standing disagreement between experiment and theory in the Efimovian three-body spectrum of ^{7}Li, commonly referred to as…”
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Higgs Oscillations in a Unitary Fermi Superfluid by Dyke, P, Musolino, S, Kurkjian, H, Ahmed-Braun, D J M, Pennings, A, Herrera, I, Hoinka, S, Kokkelmans, S J J M F, Colussi, V E, Vale, C J

“…Symmetry-breaking phase transitions are central to our understanding of states of matter. When a continuous symmetry is spontaneously broken, new excitations…”
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Corrosion of Gold Bridgewire in Electronic Components by Downs, G. L., Braun, J. D., Tibbitts, E. E.

“…Accelerated aging tests on detonator assemblies, to verify the compatibility of gold bridgewire and Pd-In-Sn solder with the intended explosives, revealed an…”
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Transferring Human Impedance Behavior to Heterogeneous Variable Impedance Actuators by Howard, M., Braun, D. J., Vijayakumar, S.

“…This paper presents a comparative study of approaches to control robots with variable impedance actuators (VIAs) in ways that imitate the behavior of humans…”
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Nonequilibrium dynamics and atom-pair coherence in strongly interacting Bose-Fermi mixtures by van de Kraats, J., Ahmed-Braun, D. J. M., Colussi, V. E., Kokkelmans, S. J. J. M. F.

“…Theoretical treatments of nonequilibrium dynamics in strongly interacting Bose-Fermi mixtures are complicated by the inherent non-Gaussian nature of the vacuum…”
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Resonance triplet dynamics in the quenched unitary Bose gas by van de Kraats, J., Ahmed-Braun, D. J. M., Colussi, V. E., Kokkelmans, S. J. J. M. F.

“…The quenched unitary Bose gas is a paradigmatic example of a strongly interacting out-of-equilibrium quantum system, whose dynamics become difficult to…”
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Control of HIV-1 Viremia and Protection from AIDS are Associated with HLA-Bw4 Homozygosity by Flores-Villanueva, Pedro O., Yunis, Edmond J., Delgado, Julio C., Vittinghoff, Eric, Buchbinder, Susan, Leung, Jessica Y., Uglialoro, Adele M., Clavijo, Olga P., Rosenberg, Eric S., Kalams, Spyros A., Braun, James D., Boswell, Stephen L., Walker, Bruce D., Goldfeld, Anne E.

“…Certain HLA-B antigens have been associated with lack of progression to AIDS. HLA-B alleles can be divided into two mutually exclusive groups based on the…”
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Non-equilibrium dynamics and atom-pair coherence in strongly interacting Bose-Fermi mixtures by van de Kraats, J, Ahmed-Braun, D. J. M, Colussi, V. E, Kokkelmans, S. J. J. M. F

“…Phys. Rev. Research 6, 043016 (2024) Theoretical treatments of non-equilibrium dynamics in strongly interacting Bose-Fermi mixtures are complicated by the…”
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Resonance triplet dynamics in the quenched unitary Bose gas by van de Kraats, J, Ahmed-Braun, D. J. M, Colussi, V. E, Kokkelmans, S. J. J. M. F

“…Phys. Rev. Research 6, L012056 (2024) The quenched unitary Bose gas is a paradigmatic example of a strongly interacting out-of-equilibrium quantum system,…”
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Emergent inflation of the Efimov spectrum under three-body spin-exchange interactions by van de Kraats, J, Ahmed-Braun, D. J. M, Li, J. -L, Kokkelmans, S. J. J. M. F

“…Phys. Rev. Lett. 132, 133402 (2024) We resolve the unexpected and long-standing disagreement between experiment and theory in the Efimovian three-body spectrum…”
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Efimovian three-body potential from broad to narrow Feshbach resonances by van de Kraats, J, Ahmed-Braun, D. J. M, Li, J. -L, Kokkelmans, S. J. J. M. F

“…Phys. Rev. A 107, 023301 (2023) We analyse the change in the hyperradial Efimovian three-body potential as the two-body interaction is tuned from the broad to…”
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Evolution of the unitary Bose gas for broad to narrow Feshbach resonances by Ahmed-Braun, D. J. M, Musolino, S, Colussi, V. E, Kokkelmans, S. J. J. M. F

“…We study the post-quench dynamics of unitary Bose gases using a two-channel model, focusing on the effect of variations in the width of the Feshbach resonance…”
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The strongest rotating rod by Atanackovic, T.M., Braun, D.J.

“…By using the Rayleigh quotient, we present the variational formulation for the strongest rotating rod stable against buckling. This variational formulation is…”
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Compliant actuation for energy efficient impedance modulation by Braun, D. J., Apte, S., Adiyatov, O., Dahiya, A., Hogan, N.

“…Energy efficient compliant actuation is the missing ingredient and key enabler of next-generation autonomous systems, domestic robots, prosthetic devices,…”
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Multichannel effects in the Efimov regime from broad to narrow Feshbach resonances by Secker, T, Ahmed-Braun, D. J. M, Mestrom, P. M. A, Kokkelmans, S. J. J. M. F

“…Phys. Rev. A 103, 052805 (2021) We study Efimov physics of three identical bosons with pairwise multichannel interactions for Feshbach resonances of adjustable…”
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Rare earth and uranium transition metal pnictides with LaFe4P12 structure by Evers, Christoph B.H., Jeitschko, Wolfgang, Boonk, Ludger, Braun, Dieter J., Ebel, Thomas, Scholz, Udo D.

“…The new compounds NdFe4Sb12, SmFe4Sb12, EuFe4Sb12 and SmRu4Sb12 were prepared by reaction of the binary lanthanoid antimonides LnSb or EuSb2 respectively, with…”
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A Control Approach for Actuated Dynamic Walking in Biped Robots by Braun, D.J., Goldfarb, M.

“…This paper presents an approach for the closed-loop control of a fully actuated biped robot that leverages its natural dynamics when walking. Rather than…”
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Robots Driven by Compliant Actuators: Optimal Control Under Actuation Constraints by Braun, David J., Petit, Florian, Huber, Felix, Haddadin, Sami, van der Smagt, Patrick, Albu-Schaffer, Alin, Vijayakumar, Sethu

“…Anthropomorphic robots that aim to approach human performance agility and efficiency are typically highly redundant not only in their kinematics but also in…”
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Optimal torque and stiffness control in compliantly actuated robots by Braun, D. J., Petit, F., Huber, F., Haddadin, S., van der Smagt, P., Albu-Schaffer, Alin, Vijayakumar, S.

“…Anthropomorphic robots that aim to approach human performance agility and efficiency are typically highly redundant not only in their kinematics but also in…”
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