Search Results - "Von Stecher, J."

A Quantum Many-Body Spin System in an Optical Lattice Clock by Martin, M. J., Bishof, M., Swallows, M. D., Zhang, X., Benko, C., von-Stecher, J., Gorshkov, A. V., Rey, A. M., Ye, Jun

“…Strongly interacting quantum many-body systems arise in many areas of physics, but their complexity generally precludes exact solutions to their dynamics. We…”
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p-Wave cold collisions in an optical lattice clock by Lemke, N D, von Stecher, J, Sherman, J A, Rey, A M, Oates, C W, Ludlow, A D

“…We study ultracold collisions in fermionic ytterbium by precisely measuring the energy shifts they impart on the atoms' internal clock states. Exploiting Fermi…”
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Universal properties of a trapped two-component fermi gas at unitarity by Blume, D, von Stecher, J, Greene, Chris H

“…We treat the trapped two-component Fermi system, in which unlike fermions interact through a two-body short-range potential having no bound state but an…”
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Universal four-Boson states in ultracold molecular gases: resonant effects in dimer-dimer collisions by D'Incao, J P, von Stecher, J, Greene, Chris H

“…We study the manifestations of universal four-body physics in ultracold dimer-dimer collisions. We show that resonant features associated with three-body…”
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Probing interaction-induced ferromagnetism in optical superlattices by von Stecher, J, Demler, E, Lukin, M D, Rey, A M

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Signatures of universal four-body phenomena and their relation to the Efimov effect by Greene, Chris H, von Stecher, J, D'Incao, J. P

“…The problem of three interacting quantal bodies, in its various guises, seems deceptively simple, but it has also provided striking surprises, such as the…”
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First-order phase transitions in optical lattices with tunable three-body onsite interaction by Safavi-Naini, A, von Stecher, J, Capogrosso-Sansone, B, Rittenhouse, Seth T

“…We study the two-dimensional Bose-Hubbard model in the presence of a three-body interaction term, both at a mean-field level and via quantum Monte Carlo…”
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Cold-collision-shift cancellation and inelastic scattering in a Yb optical lattice clock by Ludlow, A. D., Lemke, N. D., Sherman, J. A., Oates, C. W., Quéméner, G., von Stecher, J., Rey, A. M.

“…Recently, p-wave cold collisions were shown to dominate the density-dependent shift of the clock transition frequency in a {sup 171}Yb optical lattice clock…”
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General theoretical description of N-body recombination by Mehta, N P, Rittenhouse, Seth T, D'Incao, J P, von Stecher, J, Greene, Chris H

“…Formulas for the cross section and event rate constant describing recombination of N particles are derived in terms of general S-matrix elements. Our result…”
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A Hyperspherical Variational Approach to the N-Fermion Problem by Rittenhouse, S. T., Cavagnero, M. J., von Stecher, J., Greene, C. H.

“…A variational treatment in hyperspherical coordinates is developed to describe the two-component normal Fermi gas with two-body zero-range interactions. We…”
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BEC-BCS crossover of a trapped two-component Fermi gas with unequal masses by von Stecher, J., Greene, Chris H., Blume, D.

“…We determine the energetically lowest-lying states in the BEC-BCS crossover regime of s-wave interacting two-component Fermi gases under harmonic confinement…”
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Resonant Five-body Recombination in an Ultracold Gas of Bosonic Atoms by Zenesini, A, Huang, B, Berninger, M, Besler, S, Nägerl, H. -C, Ferlaino, F, Grimm, R, Greene, Chris H, von Stecher, J

“…New J. Phys. 15 043040 (2013) We combine theory and experiment to investigate five-body recombination in an ultracold gas of atomic cesium at negative…”
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Double Quantum Dots in Carbon Nanotubes by von Stecher, J, Wunsch, B, Lukin, M, Demler, E, Rey, A. M

“…Phys. Rev. B 82, 125437 (2010) We study the two-electron eigenspectrum of a carbon-nanotube double quantum dot with spin-orbit coupling. Exact calculation are…”
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Probing interaction-induced ferromagnetism in optical superlattices by von Stecher, J, Demler, E, Lukin, M. D, Rey, A. M

“…We propose a controllable method for observing interaction induced ferromagnetism in ultracold fermionic atoms loaded in optical superlattices. We first…”
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The Hyperspherical Four-Fermion Problem by Rittenhouse, Seth T, von Stecher, J, D'Incao, J. P, Mehta, N. P, Greene, Chris H

“…The problem of a few interacting fermions in quantum physics has sparked intense interest, particularly in recent years owing to connections with the behavior…”
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Stability of Inhomogeneous Multi-Component Fermi Gases by Blume, D, Rittenhouse, Seth T, von Stecher, J, Greene, Chris H

“…Phys.Rev.A77:033627,2008 Two-component equal-mass Fermi gases, in which unlike atoms interact through a short-range two-body potential and like atoms do not…”
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Energetics and Structural Properties of Trapped Two-Component Fermi Gases by von Stecher, J, Greene, Chris H, Blume, D

“…Using two different numerical methods, we study the behavior of two-component Fermi gases interacting through short-range s-wave interactions in a harmonic…”
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Universal properties of a trapped two-component Fermi gas at unitarity by Blume, D, von Stecher, J, Greene, Chris H

“…Phys. Rev. Lett. 99, 233201 (2007) We treat the trapped two-component Fermi system, in which unlike fermions interact through a two-body short-range potential…”
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p-Wave cold collisions in an optical lattice clock by Lemke, N. D, von Stecher, J, Sherman, J. A, Rey, A. M, Oates, C. W, Ludlow, A. D

“…Phys. Rev. Lett. 107, 103902 (2011) We study ultracold collisions in fermionic ytterbium by precisely measuring the energy shifts they impart on the atom's…”
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BEC-BCS Crossover of a Trapped Two-Component Fermi Gas with Unequal Masses by von Stecher, J, Greene, C. H, Blume, D

“…We determine the energetically lowest lying states in the BEC-BCS crossover regime of s-wave interacting two-component Fermi gases under harmonic confinement…”
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